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.