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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From: Organic chemicals