Kojic acid

Short Description:


  • Min.Order Quantity: Up to request
  • Supply Ability: Up to request
  • Port: Main Port of China
  • Payment Terms: L/C,D/A,D/P,T/T,WU,PAYPAL,TRADE ASSURANCE
  • CAS NO.: 501-30-4
  • Product Detail

    Product Tags

    Product Name

    Kojic acid

    Synonyms

    5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one 5-Hydroxy-2-(hydroxymethyl)-4H-pyran-4-one;

    CAS

    501-30-4

    Molecular formula

    C6H6O4

    Molecular Weight

    142.11

    Molecular Structure

                                          图片9

    Physical and Chemical Properties

    M.P. 

    151-156℃

     

    General Description

     Off-white powder

    Usage

    The Kojic acid and its derivatives are used as whitening agents in the cosmetic industry and can also serve as a preservative and moisturizing effect.

    Packing

    1-5kg with ziplock plastic bag inside,Aluminum foil bag outside.  6-15kg with plastic bag inside,Aluminum foil bag outside,finally with carton box.   More than 16kg with plastic bag inside,fiber drum outside according to the extract quantity

    Storage condition

    Should be kept in sealed package to avoid high temperature and high humidity.

    Specifications

    Items

    Standard (BP2005/USP31/EP5)

    Characteristics

    White crystals or crystalline powder

    Identification

    Positive Reaction

    Melting point

    190-192 °C

    PH

    2.2~2.6

    Clarity of Solution

    Clear

    Color of Solution

    ≤BY7

    Specific Optical Rotation

    +20.5~+21.5°

    Copper

    ≤ 5 ppm

    Heavy metals

    ≤ 10 ppm

    Iron

    ≤ 2 ppm

    Oxalic Acid

    ≤ 0.2 %

    Sulphated Ash

    ≤ 0.1 %

    Residue on Ignition

    ≤ 0.1 %

    Organic Volatile 

    Impurities

    Pass USP Test

    Assay

    99.0~100.0%

    Loss on drying

    ≤ 0.4 %

    Lead

    ≤2ppm 

    Mercury

    ≤0.1mg/kg

    Mesh

    40~80mesh

    Arsenic

    ≤3ppm  


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