一、化学名：乙酸钠
二、分子式：c2h3nao2 ；c2h3nao2·3h2o
三、分子量：无水物：82.03；三水物：136.08
四、cas: 无水物：127-09-3；三水物：6131-90-4
五、性状：结晶品（三水）为无色透明结晶或白色结晶粉末，无水物为白色结晶性粗粉或块状，无臭，稍有醋样气味。结晶品相对密度1.45，在温暖干燥的空气中易风化，1g约溶于0.8ml水和19ml乙醇。无水品相对密度1.528，熔点324℃，吸湿性很强，1g约溶于2ml水中。
六、用途：缓冲剂、调味剂、ph值调节剂、增香剂、呈味剂等。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋25kg。
八、贮存与运输：本品应贮存在干燥通风清洁的库房中，装载运输时要轻装轻放，防止包装破损，防止受潮、受热，运输过程中防止雨淋受潮，应与有毒物品隔离。
| 质量指标 | specification | gb 30603—2014 | fcc vii | ||
| 含量（以干基计），ppm ≥ | content(as dry basis), ppm ≥ | 985000 | 990000-1010000 | ||
| 酸度和碱度 | acidity and alkalinity | 通过试验 | ———— | ||
| 铅（pb），ppm ≤ | lead (as pb), ppm ≤ | 2 | 2 | ||
| 碱度，ppm ≤ | alkalinity, ppm ≤ | anhydrous | ———— | 2000 | |
| trihydrate | ———— | 500 | |||
| 干燥失重，ppm | 无水品≤ | loss on drying, ppm | anhydrous ≤ | 20000 | 10000 |
| 结晶品 | trihydrate | 360000-420000 | 360000-410000 | ||
| 钾化合物 | potassium compound | 通过试验 | pass test | ||
1、chemical name: ammonium acetate
2、molecular formula: ch3coonh4
3、molecular weight: 77.08
4、cas: 631-61-8
5、character: it occurs as white triangular crystal with acetic acid smell. it's soluble in water and ethanol, insoluble in acetone.
6、usage: it's used as analytical reagent, preservative for meat and also used in pharmacy.
7、packing: it is packed with polyethylene bag as inner layer, and a compound plastic woven bag as outer
layer. the net weight of each bag is 25kg.
8、storage and transport: it should be stored in a dry and ventilative warehouse, kept away from heat and
moisture during transportation,unloaded with care so as to avoid damage.furthermore, it must be stored
separately from poisonous substances.