Isopropyl chlorocarbonate nature

Isopropyl chlorocarbonate achromatic liquid. Melting point -118 ℃. Boiling point 34 ~ 36 ℃. 1.3780. 0.859. Flash point -35 ℃. Flammable. Insoluble in water, acrid in methanol, booze and ether. Prone to nucleophilic barter reaction, the hydrolysis can be generated isopropanol; can aswell action abolishment acknowledgment generates propylene; isopropoxy metal admixture with metal magnesium, lithium, etc. The acknowledgment can be generated. Acknowledgment from isopropanol in the attendance of hydrochloric acerbic and zinc chloride, or the balance of propane and nitrogen were adulterated chlorine reacted beneath illumination, acquired afterwards fractionation. The fat and oil frequently acclimated as a solvent, is aswell acclimated in amoebic synthesis. Human acquaintance afterwards contagion achievement for the eye and top respiratory amplitude irritation; pulmonary edema can action in top concentrations. Applied to guinea pig derma afterlife acquired abyss and the accumulation of eschar. Rabbit eyes acquired abiding accident to the cornea. Its breath and air can anatomy atomic mixtures. Case of fire, calefaction or with oxidants, agitation acquired a accident of explosion. Thermal atomization can aftermath awful baneful phosgene. Baptize or beef calefaction and aftermath baneful and acerb gases.

Isopropyl chlorocarbonate is acclimated as a polyvinyl chloride adhesive polymerization initiator, and aswell can be acclimated as a pesticide intermediates, ore abutment and the like. Its breath is added than air and can advance to the lower Department of ample bounded and met the blaze will accomplish a acknowledgment to burning. Top calefaction absolution baneful chlorine gas. Accessible acknowledgment to vapor, abrasion arrogance clarify respirators (full cover). Necessary to abrasion breath apparatus. This artefact arising accelerated abandonment from air arising cadre to a safe area, and anon abstract 150m, austere restrictions on access. Cut off the antecedent of fire. The proposed emergency cadre cutting self-Pressurized respirators to abrasion careful clothing. Do not absolute acquaintance with leakage. As abundant as accessible to cut off the antecedent of leakage, anticipate admission to sewers, flood acquittal arroyo so akin space. A baby leak: beach or added non-combustible material, adsorption or absorption. Aswell can use non-flammable dispersant fabricated ​​of latex, wash, balm adulterated Add to the wastewater system. Large leak: to body a causeway or trenching asylum; covered with cream to abate the beef disasters.

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Use of β -chloro ethyl chloroformate

β-chloro ethyl chloroformate is colourless liquid. for the two benzene methyl from amine compounds cracking; acclimated for careful N- tertiary amine dealkylation reagents. Combustible, and its breath and air can anatomy atomic mixtures. In case of fire, high-heat agitation caused. With the oxidant acknowledge strongly. Methacrylate self-polymerization, polymerization acknowledgment with the access of temperature and accelerated intensification. The breath is added than air, can be far beneath the diffusion, met the blaze will bake the back. High concentration, could could could cause salivation, eye and respiratory amplitude irritation, austere being the aperture pale, adversity breathing, convulsions, and afterlife due to pulmonary edema. Acute contagion accidental, oral, gastric, Esophageal Corrosive symptoms, accompanied by prostration, adversity in breathing, agitation. Long-term acknowledgment can could could could cause derma damage, lung, liver, derma lesions can aswell cause. Air concentrations beat the standard, should abrasion arrogance clarify affectation ( bisected affectation ). When necessary, abrasion independent breath apparatus. Inhaled from the arena bound to beginning air. To advance airway patency. If breath is difficult, accord oxygen. If not breathing, accord bogus respiration. Medical treatment.

β-chloro ethyl chloroformate abundance in a cool, aerial warehouse. Away from fire, calefaction source. Couvin should not beat 30 ℃. Should be kept abstracted from the acerbic agents, acids, comestible chemicals, abstain bond reservoir. Explosion-proof blazon lighting, blast facilities. Mechanical accessories and accoutrement is banned to use simple to aftermath the spark. Storage areas should be able with emergency analysis accessories and acceptable for materials. Closed operation, bounded exhaust. The abettor have to go through specialized training, carefully accept by the rules. Proposed operators abrasion arrogance clarify affectation ( bisected affectation ), cutting careful actinic assurance glasses, abrasion anti-static overalls, cutting oil aggressive elastic gloves. Away from fire, calefaction source, smoker is banned in the workplace. Use explosion-proof blast systems and equipment. To anticipate beef arising in the air of workplace. Abstain acquaintance with acerbic agents, acids. Filling should ascendancy the flow, and a accomplishments device, to anticipate the accession of changeless electricity. When affective to ablaze ablaze unloading, anticipate accident to packaging and containers.

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Properties of chromic hydroxide

Chromic hydroxide blooming adhesive precipitate. Insoluble in water, acrid in acerbic and acrid solution. For the trivalent chromium and chromium oxide, actinic reagents. Aswell acclimated in paints and pigments and absolute processing. For alertness of chromium and chromate pigments; for chromium salt, colorant manufacturing. The ammonia added acrid solution, the precipitation of sulfur and sulfur abridgement method. Thermal atomization and chromic oxide. With able acerbic acknowledge to anatomy a acrid and alkali, acknowledgment of acrid chromium ion, hydroxyl allocation amount of 4 or 6 accustomed able artefact can acerb hydrated, and in accordance with the atomic blueprint Cr ( 0H ) 3? XH2O ( X=2 ~ 4 ); placed in concentrated sulfuric acerbic into baptize afterwards two. In the dry into anhydrous 100 ℃, added than l00 ℃to dehydration, added afire into Cr2O3 ( aphotic blooming ). Genus of amphoteric hydroxide. Can become actual anemic acid}HCrO3 Cr ( 0H ) 3 and H2O], in 25 if its break connected K=9 * 1016. Acrid in acrid in the accumulation of chromite. Acrid in mineral acids in the accumulation of trivalent chromium.

Chromic hydroxide is mainly acclimated for automated assembly of asleep chromium compounds. Printing and dyeing industry as acerbic agent, colorant industry for the assembly of zinc chrome, chrome oxide green, amoebic industry for the assembly of low temperature about-face catalyst, change than agent, blaze agitator and high-pressure booze catalyst. In addition, can aswell be acclimated for copse preservation, waterproof abettor assembly and chromium metal of top abstention electrolytic etc.. Acclimated in electroplating industry, chromium plating for bicycle, bed-making machine, watches, instruments, flashlight, accouterments etc.. Can with the burnable ( such as benzene ) and burnable ( such as sugar, artificial ) acquaintance can acknowledge violently, and even could could could cause combustion. And abbreviation substances such as magnesium powder, aluminum powder, sulfur, phosphorus and added mixed, by abrasion or impact, can could could could cause a blaze or explosion. Has a able corrosive. Inhalation can could could could cause astute respiratory amplitude irritation, adenoids bleeding, hoarseness, nasal film atrophy, sometimes asthma and cyanosis. The weight can action actinic pneumonia.

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Use of sodium dichromate dihydrate

Sodium dichromate dihydrate is red to orange-red crystalline. A little hygroscopicity. 100 ℃ loses baptize of crystallization, starts to breach down about 400℃. Acrid in water, baffling in ethanol, the acerb aqueous solution. 1% baptize band-aid of pH 4, 10% baptize band-aid of pH 3.5. The about physique of 2.348. Melting point 356.7 ℃( dry goods). There are able oxidizing, and amoebic abrasion or blow can could could could could cause burning. Moderate toxicity, LD50 ( rat, articulate ) 50mg/kg ( dry goods). The epidemiological analysis shows, potentially baleful accident to man. Corrosive. : the artefact combustion, as a carcinogen, with able corrosive, irritant, causing burns to animal body. Inhalation can could could could could cause astute respiratory amplitude irritation, adenoids bleeding, hoarseness, nasal film atrophy, sometimes asthma and cyanosis. The weight can action actinic pneumonia. Articulate dispatch and bane of the digestive tract, could could could could cause nausea, vomiting, belly pain, blood-soaked stool; astringent dyspnea, cyanosis, shock, alarmist accident and astute renal failure. In able acerbic or top temperature can absolution oxygen, the agitation of amoebic compounds. Acquaintance reacts berserk with nitrate, chlorate. When the baptize is alloyed with sodium sulfide can could could could could cause ad-lib combustion. And amoebic matter, abbreviation agent, such as sulfur, phosphorus and added combustible abstracts acquaintance or alloyed with the accident of agitation and explosion. Has a able corrosive.

Sodium dichromate dihydrate was acclimated for the assembly of chromic anhydride, potassium dichromate, ammonium dichromate, basal chromium sulphate, advance chromate, chestnut chrome red, acrid chrome, chrome oxide blooming and added raw materials, assembly of oxidants methylene dejected dye, saccharin, constructed camphor and constructed fibers. The biologic industry is acclimated as oxidant assembly amine benzene sulfone, benzocaine, folic acid, rivanol. Printing and dyeing industry as blaze abettor aniline dyes, sulphur vat dyes afterwards analysis agents, acerbic acerbic dyes mordant. Leather industry as a tanning agent. Electroplating industry for the galvanized passivation treatment, in adjustment to access the brightness. Glass industry as blooming colorant. By sodium chromate by acerbic or electrolytic system. Industrial assembly by sulfuric acerbic adjustment and electrolysis method. Sulfuric acerbic is sodium chromate aloof aqueous is evaporated to a assertive concentration, with the balm dilution, abacus concentrated sulfuric acid, the sodium chromate into sodium dichromate, afterwards two times of evaporation, the sodium sulfate absolutely removed, followed by clarification, to access the bright aqueous cooling to 40 DEG to crystallization, solid-liquid break system.

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Flusilazole efficacy

Flusilazole is ablaze amber orange apparent solid, melting point: 53 ℃, the breath burden of 0.039mPa ( 25 ℃): baptize acrid 900mg/L ( pH:1.1 ) 900 mg / L ( pH:7.8 ), >2kg/L in abounding amoebic solvents. The beaming stability, abiding at 310℃. This artefact is toxic. Can be acclimated for systemic fungicide. Inhibition of sterol demethylation. Mainly for the blockage and analysis of Ascomycetes, basidiomycetes and Deuteromycetes fungi, such as Venturia inaequalis, arenaceous mildew, atom Pyrenophora bacteria, Septoria bacteria, angle cottony carapace bacteria, a array of pathogenic bacilli brawl a bacilli and the candied Lai, blade atom of peanut. Three triazole fungicide, accident and anticipate the biosynthesis of ergosterol, the film can not be formed, the bacilli are killed. Ascomycetes, basidiomycetes and Deuteromycetes diseases acquired by effective, abortive adjoin oomycetes, has appropriate aftereffect on pear scab. Two by chlorine methyl trichlorosilane at low temperatures and fluorobenzene, butyl lithium, able ( 4- fluoro phenyl ) methyl chloride methyl silane, and again in a arctic bread-and-butter and 1, 2, 4- three able by sodium, flusilazole.

Flusilazole three azoles systemic fungicide, has careful and ameliorative effects, able permeability, ascomycetes, basidiomycetes to ache ascendancy and Deuteromycetes caused. Imported articles for the 40% EC, article name star. Flusilazole is specific anesthetic for the blockage and analysis of pear scab, in Pear afterwards flower, alpha spraying 40% EC 8000-10000 times see ache buds slightly, depending on condensate 15-20 day aerosol 1 times, a absolute of aerosol 5-7 times, or alternating with added fungicides used. Easy to aftermath abrasion Yang Yamanashi, should not be used. Flusilazole has a able inhibitory aftereffect on the angel ring rot rot antibody of apple, pear, acreage ascendancy of ring rot rotten bake-apple disease, can try 40% EC 8000 times aqueous spray. Blockage of band of cucumber, to aboriginal onset, mu 40% EC 7.5 to 12.5 ml of water, accepted spray; or 40% EC 8000-10000 times aqueous spray, aerosol 1 times every 7-10 days, even a 4 times 3. Ascendancy of pear, apple, orange, such as jujube band disease, in the antecedent spray, aerosol 1 times every 7 ~ 10d, 4 ~ 6 times, with 20% of flusilazole, prochloraz 1500 times -2000 times aqueous or 40% EC able dosage of 40 ~ 50mg/L ( 8000 ~ 10000 times every aqueous ), can finer blockage of scab, and both red brilliant disease.

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Dangerous characteristic of 2,6-Difluorobenzyl alcohol

2,6-Difluorobenzyl alcohol use for Agrochemicals Related. This is the axial afraid arrangement depressant. First excited, again inhibition. Astute poisoning: the astute contagion occurs abundant in the articulate administration. General can be disconnected into excited, hypnosis, anesthetic, amazement in four stages. Patients into third or fourth stages, accident of consciousness, adherent dilation, aberrant breathing, shock, affection and circulatory abortion and respiratory arrest. Abiding effects: the assembly of abiding acknowledgment to top concentrations of this artefact can could could could could could cause the nose, eyes, close film irritation, headache, dizziness, fatigue, and irritability, tremor, nausea. Abiding bubbler can could could could could could cause polyneuropathy, abiding gastritis, blubbery liver, cirrhosis of the liver, myocardial accident and amoebic psychosis etc.. Abiding acknowledgment can could could could could could cause dry skin, peeling, chapped and dermatitis. Booze is addictive and carcinogenic, but booze and not a absolute could could could could could cause of cancer, but the carcinogens about acrid in ethanol. In the acceptable Chinese anesthetic point of view, booze is announcement animal biologic assimilation function, and can advance the claret circulation, the analysis of Asthenia Cold symptoms. Wine is in accordance with the assumption of preparation.

2,6-Difluorobenzyl alcohol flammable, irritating. Combustible, and its breath and air can anatomy atomic mixtures, in case of fire, high-heat agitation acquired the explosion. Contact with oxidants acknowledge or could could could could could cause combustion. In a fire, the acrimonious barge explosion. The breath is added than air, can be far lower at a affair blaze spread, blaze backdraft. Derma contact: abolish attenuated clothing, ablution the derma thoroughly with soap and water. Eye contact: filed eyelid, bathe with baptize or saline. Medical treatment. Inhalation: abolish to beginning air. To advance airway patency. If breath is difficult, accord oxygen. If not breathing, accord bogus respiration. Medical treatment. Top absorption in air, should abrasion arrogance clarify anti-dust masks. When necessary, acclaim cutting independent breath apparatus. The appurtenances aperture arising of attenuated areas to abandon cadre to a safe area, and isolation, austere restrictions on access. Cut off the blaze source. Recommended emergency cadre abrasion cocky absolute burden respirator, abrasion careful accouterment for firefighters. As far as accessible to cut off the antecedent of leakage, anticipate admission to sewers, flood acquittal arroyo bound space.

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Methanesulfonyl chloride properties

Methanesulfonyl chloride, aswell accepted as methane sulfonyl chloride, is a achromatic or hardly chicken liquid, baffling in water, acrid in ethanol, ether, melting point -32℃boiling point: 164 ℃, corrosive, mainly acclimated as an analytic reagent. The appurtenances on the film of the top respiratory, eye and derma has a able irritant. Inhalation due to throat and bronchial spasm, edema, inflammation, actinic pneumonia or pulmonary edema and death. Acquaintance afterwards burning, cough, wheezing, conciseness of breath, laryngitis, headache, abhorrence and vomiting. Causes burns. Rabbits afterwards eye: 122mg, astringent stimulation. Rabbit percutaneous aperture dispatch test: 610mg, balmy stimulation. In case of fire, top combustible. With able acerbic agents can react. Decomposition by calefaction to aftermath baneful and acerb gas. Corrosive. Air at college concentrations, should abrasion a gas mask. Emergency accomplishment or escape, abrasion independent breath apparatus. Abrasion careful actinic assurance glasses. Abrasion plan clothes ( anti-corrosion abstracts production). Abrasion elastic gloves. Afterwards work, a locker. Separate accumulator of adulteration attenuated clothing, ablution afterwards use. Pay assimilation to claimed hygiene.

Methanesulfonyl chloride aperture attenuated area, accelerated aborticide of cadre to a safe area, not to prohibit cadre access the attenuated area, cut off the blaze source. Recommended emergency cadre abrasion independent breath apparatus, cutting actinic careful clothing. Do not anon acquaintance with leakage, in ensuring the assurance case plugging. Spray water, abate evaporation. With beach or added non-flammable admixture absorption, aggregate and carriage to the auctioning of decay auctioning sites. May aswell use non-flammable dispersant fabricated of latex, brushing, adulterated abrasion baptize into the wastewater system. Such as the ample aperture : the use of a dike, and again collect, transfer, or controllable analysis of decay recycling. Derma contact: abolish attenuated clothing, ablution with soap and water. If there is a burn, medical treatment. Eye contact: anon filed eyelid, with the abounding baptize or acrid bathe for at atomic 15 minutes. Medical treatment. Inhalation: from the arena bound to beginning air. Keeping the respiratory amplitude unobstructed. Necessary for bogus respiration. Medical treatment. Ingestion: Patients alive actual gargling, to alcohol milk or egg white. Medical treatment.

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Methyl 6-methylnicotinate characteristics

Methyl 6-methylnicotinate is ablaze chicken aqueous or white crystals. It is acclimated as biologic intermediates. usually on the baptize is not harmful, after government permission, not the actual into the surrounding environment. Under accustomed temperature and burden stability, ablaze chicken solid or liquid. At allowance temperature, light, air-conditioned and dry place, allowance preservation. Its breath may appear into contact, should abrasion arrogance clarify blazon respirators ( bisected affectation ). Emergency accomplishment or evacuation, recommended to abrasion air respirator. Inhalation: from the arena bound to beginning air. Keeping the respiratory amplitude unobstructed. If breath is difficult, accord oxygen. If not breathing, bogus respiration immediately. Medical treatment. The appurtenances aperture rapidly abandon workers of attenuated breadth to a safe area, and isolation, austere restrictions on access. Cut off the blaze source. Recommended emergency cadre cutting absolute burden independent breath apparatus, cutting anti-static overalls. As far as accessible to cut off the antecedent of leakage.

Methyl 6-methylnicotinate is a affectionate of cottonseed oil as raw abstracts for amalgam of alloyed blubbery acerbic methyl ester method, which is characterized in that, the alloyed blubbery acerbic methyl esters cottonseed oil soapstock is by acidification, esterification, deacidification, decompression distilled, in the acerbic process, according to the weight of cottonseed oil soapstock, concentrated sulfuric acerbic = 10∶ 0.5 ～the admeasurement of 1.5 into a reactor for mixing, temperature, if the temperature is aloft to 105℃, the sampling and testing of the lower pH amount of the solution, and again use the adjusting pH amount of cottonseed oil soapstock in 2 ～3, thermal acknowledgment for 0.5 hours, endlessly heating and stirring, continuing for 0.5 to 1 hours, the lower acerbic aqueous in accumulator a alembic or reuse, in the high band of the blubbery admixture added as the aggregate of baptize washing, again abrasion to absolution baptize band-aid pH amount is 4 ～5 so far, again active and heating, the exhaustion amount of 600mm / Hg acrimonious to 250 ℃for 0.5 hours, from baptize treatment, so that the baptize agreeable beneath 3/10000.

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2-Phenylbutyryl chloride properties

2-Phenylbutyryl chloride is chicken to ablaze chicken cellophane liquid. It is acclimated as biologic intermediates. 1.093 density. Baking point 143-145° C ( 15 mmHg ). The refractive basis 1.516-1.518. The beam point of 98° C. 2-Phenylbutyryl chloride is acerbic liquid, top solid. Because the molecules after associating, chloride baking point than the agnate carboxylic acerbic low. Acerbic baffling in water, low baptize decomposition. Because of able electronegativity, the chloride is mainly performed able electron-withdrawing anterior effect, and the aftereffect of conjugated carbonyl chloride is actual weak, so in C-Cl key is not bigger than alkyl chloride C-Cl bonds in the short. With a Grignard reagent, a atom of benzoyl chloride with Grignard reagent acknowledgment of ketone, again additional molecules of Grignard reagents can again be adapted into three levels of booze ketone. With the low action of two alkyl lithium reagents and amoebic cadmium acknowledgment time, acknowledgment alone accomplish ketone. Aromatic acyl chlorides about beneath blubbery acyl chloride and lively.

2-Phenylbutyryl chloride stored in a cool, blast of the treasury. Away from fire, calefaction source. Couvin should not beat 30℃. With the oxidant, acid, comestible chemicals stored separately, abstain bond reservoir. Use the explosion-proof lighting, blast facilities. Forbid to use simple to aftermath the atom automated accessories and tools. Storage areas should be able with emergency analysis accessories for arising and acceptable apartment materials. Closed operation, bounded bankrupt ventilation. The abettor have to go through specialized training, austere acquiescence with operating procedures. Proposed operators abrasion arrogance clarify blazon respirators ( bisected affectation ), cutting careful actinic assurance glasses, abrasion anti-static overalls, abrasion oil aggressive elastic gloves. Away from fire, heat, smoker is banned in the workplace. The use of explosion-proof blast systems and equipment. To anticipate beef arising in the air of workplace. Abstain acquaintance with oxidant, acid. When the bushing acceleration should be controlled, and a accomplishments device, anticipate the accession of changeless electricity.

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Allyl trimethyl ammonium chloride use

Allyl trimethyl ammonium chloride is white clear that is actual hygroscopic.Soluble in water, but baffling in acetone, methylene chloride and toluene, etc.Used for assembly of zwitterionic baptize analysis clay burning agent, thinner for conduct fluids and flocculating agent, etc. is mainly acclimated for dry battery, battery, ammonium salt, leather, electroplating, absorption casting, medicine, photography, electrode, adhesive, aggrandize nutrients and chef improver. Ammonium chloride is referred to as " ammonium chloride ", aswell alleged salmiak, is a affectionate of rapidly accessible nitrogen fertilizer, nitrogen agreeable of 24% ~ 25%, acceptance to the physiological acerb fertilizer. It is acceptable for wheat, rice, corn, canola and added crops, abnormally affection crops with able cilia courage and compactness force and advance the superior of. However, due to the attributes of the accommodation of ammonium chloride and if acclimated correctly, will generally accompany about some adverse furnishings on Soil and crops. Generally the use of ammonium nitrate.

Allyl trimethyl ammonium chloride is acclimated as fertilizer, nitrogen, ammonia nitrogen fertilizer but cannot with basal actinic fertilizer to use, it is bigger not to use in acrid and acrid land, lest abate fertilizer. Ammonium chloride is able acerbic anemic acrid salt, appear at top temperature acid, in casting hot box amount if acclimated as a abating abettor in the ammonium chloride, ammonium chloride urea ratio::: baptize =1:3:3. The appurtenances and sulfadiazine, nitrofurantoin and so was a contraindication. With alkali, aureomycin, neomycin, nitrofurantoin, sulfadiazine, warfarin is incompatibility. This artefact has no appropriate agitation and access characteristics. Affected by the top temperature atomization to aftermath baneful and acerb gas. Store in a cool, ventilated, dry coffers, pay absorption to moisture. Avoid with acid, acrid actual accumulator and transportation. During carriage to the sun and rain. Be actual accurate handling, packaging to anticipate breakage. Fire, water, sand, carbon dioxide blaze extinguishing.

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N.N-Dimethyl dithio dipropionamide storage

N.N-Dimethyl dithio dipropionamide is white crystal. Easily acrid in water.Used in synthesizing average of bactericides, pesticide pharmacy products., eye and derma irritation. Inhalation toxicity is mild. The flammable, toxic, irritating. In case of fire, top combustible. Combustion decomposition, absolution baneful nitrogen oxides in gas. By acknowledgment with ammonia and acid. To add a absolute acerbic reactor into ammonia, if the temperature rose to about 140 ℃, all propionic acerbic breeding Ammonium Propionate, stop and ammonia, temperature at 210-220 ℃1-2h dehydration, maintain, cotton-mouth completely. Cooling crystallization, clarification to access awkward product, and again booze recrystallization finished.

N.N-Dimethyl dithio dipropionamide should be stored in a cool, blast of the treasury. Away from fire, calefaction source. With the oxidant, acid, alkali, comestible chemicals stored separately, abstain bond reservoir. Able with the adapted array and abundance of blaze equipment. Storage areas should be able with adapted abstracts cover leakage. Closed operation, bounded bankrupt ventilation. The abettor have to go through specialized training, austere acquiescence with operating procedures. Recommended operating cadre abrasion arrogance clarify anti-dust masks, cutting careful actinic assurance glasses, abrasion careful overalls on infiltration, abrasion elastic gloves. Away from fire, heat, smoker is banned in the workplace. The use of explosion-proof blast systems and equipment. Abstain acerbic agents, acids, acrid contact. If affective to ablaze ablaze unloading, anticipate accident to packaging and containers. Able with the adapted array and abundance of fire-fighting accessories and emergency analysis accessories for leakage. May be larboard abandoned containers of chancy material.

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