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    Stearic acid



    Chemical name:  stearic acid
    English name: Stearic aad
    Structural formula: CH3(CH2)16COOH
    Physical and chemical properties: white or light yellow wax solid; insoluble in water; easily soluble in ethyl alcohol, diethyl ether, aminoform, methylbenzene, carbon disulfide; excellent lubrication effect
    Uses: as vulcanizing activator of natural ruber, synthetic rubber and latex; as plasticizer and chemical stablizer; widely applied in carbon paper, crayon, candle,polishing paste, water-proofing agent, metallic soap, softening agent, high grade lubrication agent aspects
    Quality standard: GB/T 9103-1013
    item
    200 type
    400 type
    800 type
    iodine value
    ≤2.0
    ≤4.0
    ≤8.0
    saponification value
    206-211
    203-214
    193-220
    acid value
    205-210
    202-112
    192-218
    colour and lustre
    ≤200
    ≤400
    ≤400
    freezing point℃
    54-57
    ≥54
    ≥52
    moisture(%)≤
    0.20
    0.20
    0.30
    inorganic acid (%)≤
    0.001
    0.001
    0.001
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