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、干燥剂等。
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),w/% ≥
|
Content(On Dry Basis),w/% ≥
|
98.5
|
99.0-101.0
|
酸度和碱度
|
Acidity Alkalinity
|
通过试验
|
————
|
铅(Pb),mg/kg ≤
|
Lead (As Pb), mg/kg ≤
|
2
|
2
|
碱度,w/% ≤
|
Alkalinity, w/% ≤
|
Anhydrous
|
————
|
0.2
|
Trihydrate
|
————
|
0.05
|
干燥失重,w/%
|
无水品≤
|
Loss on Drying, w/%
|
Anhydrous ≤
|
2.0
|
1.0
|
结晶品
|
Trihydrate
|
36.0-42.0
|
36.0-41.0
|
钾化合物
|
Potassium Compound
|
通过试验
|
Pass Test
|
1、Chemical Name: Sodium Acetate
2、Molecular Formula : C2H3NaO2 ; C2H3NaO2·3H2O
3、Molecular Weight: Anhydrous:82.03 ; Trihydrate:136.08
4、CAS: Anhydrous:Anhydrous:127-09-3 ; Trihydrate:6131-90-4
5、Character: Trihydrate: It is colorless transparent crystal white crystalline powder. Relative density is 1.45. In warm dry air, it’ll easily get weathered. 1g sample could be dissolved in about 0.8mL water 19mL ethanol. Anhydrous: It is white crystalline coarse powder block. It’s odorless, tastes a bit of vinegary. Relative density is 1.528. Melting point is 324℃. Capacity of moisture absorption is strong. 1g sample could be dissolved in 2mL water.
6、Usage: It is used as buffering agent, seasoning reagent, pH regulator, flavagent, etc .
7、Packing: It is packed with polyethylene bag as inner layer, a compound plastic woven bag as outer layer. The net weight of each bag is 25kg.
8、Storage Transport: It should be stored in a dry ventilative warehouse, kept away from heat moisture during transportation, unloaded with care so as to avoid damage. Furthermore, it must be stored separately from poisonous substances.