Acetic anhydride
It is colorless Transparent liquid , with itrritating odor and corrosive, Density1.083, .
Identified theory： , coloring reaction of hydroxamic acid iron
Steps：
1, Appearance： colorless Transparent liquid ,with itrritating odor .
2, drop some sample into water , it will be the bottom
3, drop some sample into plate , get 1 drop of hydroxylamine hydrochloride, 1 drop of NaoH solution , 1 drop of ferric chloride HCL solution, it may have dark red solution
. or drop sample to sodium carbonate and add water, there are plenty of foam , the solution may be bed
Packing：100 or 200kg in lead drum, with the signal of toxicity and corrosive matter, in cool and airiness place, far away from fire, heat, no mixed with oxidant and alkali
Defence： wear the defence wear and glassed, foe skin, wash it with soap water,
For leakage : wear defence appliance, with sand or adsorbent, and then water the leaked liquid |
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