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Thursday, January 3, 2013
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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From: Chemistry chemicals
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