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 | Specification | 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.Molecular Formula :C4H7Na O4.xH2O
3.Molecular Weight: 142.09 (Anhydride)
4.CAS: 126-96-5
5.Character: White crystalline granule or powder; With acetic acid smell.
Deliquescent; Highly soluble in water (1g/ml), and create 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-retarding agent, 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
ventilative warehouse, kept away from water and moisture during transport,
unload with care so as to avoid damaging the bags. Be cautious to keep away from
moisture and hot.
