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一、化学名:双乙酸钠
二、分子式:C4H7Na O4·xH2O
三、分子量:142.09(无水物)
四、CAS:126-96-5
五、性能:白色结晶。带醋酸气味。易吸潮。极易溶于水(1g/ml),放出42.25%醋酸。10%水溶液的pH值4.5~5.0.加热至150℃以上分解。可燃。
六、用途:防腐剂;防霉剂;酸度调节剂;螯合剂。
七、包装:内衬聚乙烯塑料袋,外套塑料编织袋,每袋25Kg。
八、贮存与运输:应贮在干燥,通风清洁的库房中,轻装轻放,防止受潮、受热,运输过程中防止雨淋受潮,应与有毒物品隔离堆放。
|
质量指标 |
**ation |
GB25538-2010 |
|
游离乙酸(以干基计), w/% |
Free acetic acid (As Dry Basis) % |
39.0~41.0 |
|
乙酸钠(以干基计), w/% |
NaOAc (As dry Basis) % |
58.0~60.0 |
|
pH值 |
PH Value |
4.5~5.0 |
|
水分, w/%≤ |
Moisture |
2.0 |
|
易氧化物, w/%≤ |
Oxidizable Substances |
0.2 |
|
铅(Pb),mg/kg≤ |
Lead (As Pb) |
2 |
1、Chemical Name:SODIUM DIACETATE
2、MolecularFormula :C4H7Na O4·xH2O
3、Molecular Weight:142.09 (Anhydride)
4、CAS: 126-96-5
5、**: White crystalline granuleor powder; With acetic acid smell. Deliquescent; Highly soluble in water(1g/ml),and ** acetic acid with 42.25%. The PH value of aqueous solution with 10% is between 4.5 and 5.0. It will be broken up when heated to 150℃. Flammable.
6、Usage: It is used as preservative, mildew-retardingagent, acidity regulator, and chelating agent.
7、Packing:It is packed with polythene bag as the inner layer, and polywoven bag as the outer layer. The net weight of each bag is 25kg.
8、Storage and Transport: It should be stored in a dry, clean, and ventilativewarehouse, kept away from water and moisture during transport, unload with care so as to avoid damaging the bags. Be cautious to keepaway from moistureand hot.
