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J acid

Country/Region china
Company SHANXI RUIXIANG CHEMICAL INDUSTRY CO.,LTD
Categories Amino Acid Derivatives
Telephone 0359-4062800, 0359-4062754
ICP License Issued by the Chinese Ministry
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    • Product Details
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    J acid

    Product name:

    J acid

    Chemical name:

    2-Amino-5-Naphthol-7-sulphonic acid

    Structural formula:

    Molecular formula:

    C10H9NO4S

    Molecular weight:

    239.25

    Property:

    Slight soluble in hot water and hardly soluble in alcohol. Its alkali salts are easily soluble in water. Solution of J acid gives a brownish black precipitate met with hot ferric chloride, and gives a yellowish brown precipitate met with calcium chloride. It couples with diazotised bases at the 1-place in acidic medium and at the 6-place in alkali medium.

    index:

    Grade A

    Grade B

    Appearance: Greyish white to greyish brown powder

    Coupling value:

    92%min.

    92%min.

    Solubility:

    4% max.

    4% max.

    Uses:

    An important intermediate of dyestuffs. A large number of reactive or direct dyes are manufactured from N-Aryl-J-Acid, Bis-J-acid, Carbony-J-Acid and other derivatives of J Acid.

    Packing:

    Packed in multiple paper bag lined with plastic bag. 25kg/bag

    Quality J acid for sale
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