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无水乙酸钾 | 江苏科伦多食品配料有限公司-必一运动官网

产品描述/ product description

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.

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