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    Oleochemicals

    Stearic Acid 1895 (C18 95.0% min)

    About This Product

    In this grade, saturated C18 must make up at least 95.0% of the fatty acids. Chains of C16 and below may not exceed 3.0%, C18:1 and above 1.0% and other fatty acids 2.0%, and the titre falls between 66 and 69 °C. The acid value range is 193–202 mg KOH/g against a saponification value of 194–203 mg KOH/g, with colour limits of 2 Y 0.3 R (Lovibond, 5¼-inch cell) and 90 APHA maximum. Cosmetics manufacture is its documented commercial use, within the wider soap and personal-care market. With so little palmitic or unsaturated acid present, it solidifies at a markedly higher titre than grades where C16 predominates. The iodine value limit of 1.0 maximum is printed without a reliable unit, so confirm the reporting basis at enquiry. Packing is not stated for this grade: agree pack size, form and the documents needed, including safety information and a batch analysis, and make sure it is suitable for the intended cosmetic or other use before ordering.

    Specifications

    Grade designationStearic acid 1895
    AppearanceFlake or bead
    C18 content95.0% min
    C16 and below3.0% max
    C18:1 and above1.0% max
    Other fatty acids2.0% max
    Titre66–69 °C
    Acid value193–202 mg KOH/g
    Saponification value194–203 mg KOH/g
    Iodine value1.0 max (reporting unit to be confirmed)
    Colour (Lovibond, 5¼-inch cell)2 Y 0.3 R
    Colour (APHA)90 max

    Applications

    Cosmetics manufacturePersonal-care productsSoap manufacture