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乙酸钾

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乙酸钾

乙酸钾
详细介绍

乙酸钾 POTASSIUM ACETATE

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,有咸味,易潮解。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,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 FAO/WHO,1992

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)

砷(GT-3) w/% ≤ Arsenic w/% ≤ 0.0003

钠化合物 Sodium Compound 正常(Normal)

铅(GT-18) w/% ≤ Lead (GT-18) w/% ≤ 0.001

重金属(以Pb计;GT-16)w/% ≤ Heavy Metals(As Pb) w/% ≤ 0.002

食品级乙酸钾


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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