C2H3NaO2
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。
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质量指标 |
Specification |
GB 30603—2014 |
FCC VII |
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含量（以干基计），w/% ≥ |
Content(On Dry Basis),w/% ≥ |
98.5 |
99.0-101.0 |
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|
酸度和碱度 |
Acidity Alkalinity |
通过试验 |
———— |
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|
铅（Pb），mg/kg ≤ |
Lead (As Pb), mg/kg ≤ |
2 |
2 |
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碱度，w/% ≤ |
Alkalinity, w/% ≤ |
Anhydrous |
———— |
0.2 |
|
|
Trihydrate |
———— |
0.05 |
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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 |
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|
钾化合物 |
Potassium Compound |
通过试验 |
Pass Test |
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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.
