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    无水乙酸钾

    无水乙酸钾

    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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