一、化学名：乙酸钾
二、分子式：C2H3KO2
三、分子量：98.14
四、CAS：127-08-2
五、性状：白色结晶性粉末，易潮解，有咸味。1mol/l水溶液pH值为7.0-9.0。相对密度（d425）1.570,?熔点292℃,?极易溶于水(235g/100mL, 20℃; 492g/100mL, 62℃)、乙醇(33g/100mL)和甲醇(24.24g/100mL, 15℃)，不溶于乙醚。
六、用途：缓冲剂、中和剂、防腐剂、护色剂（动植物天然色保护剂）。
七、包装：内衬聚乙烯塑料袋，外套复合塑料编织袋包装，每袋净重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 | JECFA |
| 含量（以干基计），w/% ????????≥ | Content(As Dry Basis),w/% ????≥ | 99.0 |
| 干燥失重（150℃，2h），w/% ????≤ | Loss On Drying(150℃,2h),?w/% ??≤ | 8.0 |
| 碱度 | Alkalinity | 正常(Normal) |
| 钾化合物 | Test for potassium | Pass Test |
| 钠化合物 | Test for sodium | 正常(Normal) |
| 铅，mg/kg???????????≤ | Lead,mg/kg???????????≤ | 2 |
| 乙酸盐 | Test for acetate | Pass Test |
| pH值（50g/L溶液，25℃） | pH Value (50g/L?solution,25℃) | 7.5-9.0 |
1、Chemical Name: Potassium ?Acetate
2、Molecular Formula :?C2H3KO2
3、Molecular Weight:?98.14
4、CAS:?127-08-2
5、Character:?It is white crystalline powder. It’s easily?deliquescent and tastes salty. PH value of 1mol/L aqueous solution is 7.0-9.0. Relative density（d425）?is 1.570. Melting point is 292℃. It’s highly soluble in water?(235g/100mL, 20℃; 492g/100mL, 62℃), ethanol?(33g/100mL)?and methanol (24.24g/100mL, 15℃), but insoluble in ether.
6、Usage:?It is used as buffering agent, neutralizer, preservative?and?color fixative to
protect natural colors?of animals and plants.
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.