乙酸钠 SODIUM ACETATE
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 |
FCCVII |
||
含量(以干基计),w/% |
Content(As Dry Basis),w/% |
≥98.5 |
99.0-101.0 |
||
酸度和碱度 |
Acidity and 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:Anhydrous82.03,Trihydrate136.08
4、CAS:Anhydrous:127-09-3,Trihydrate:6131-90-4
5、Character:Trihydrate:It iscolorless transparent crystal orwhite crystalline powder.Relative density is1.45.In warm and dry air, it’ll easily get weathered. 1g sample could be dissolved in about 0.8mL water or 19mL ethanol. Anhydrous: It is white crystalline coarse powder or block. It’sodorless,tastes a bit ofvinegary.Relative density is 1.528. Melting point is 324℃.Capacity ofmoisture absorptionis strong.1g sample could be dissolved in 2mL water.
6、Usage:It is used as buffering agent, seasoning reagent,pH regulator, flavor agent, etc.
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.