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    Direct Dyestuffs    |    Aniline Derivatives    |    Organic Pigment Intermediates    |    Dyestuff Intermediates    |    Pesticide & pharmaceutical intermediates    |    Others
    N-Methylaniline
    N-Ethylaniline
    Naphthol AS Naphthol AS-D
    Naphthol AS-E Naphthol AS-BO
    Tobias Acid J Acid
    2-Amino-4-nitrophenol
    Diethyl(3-pyridyl)borane
    4-Dimethylaminopyridine
    2,6-Dichlorobenzoxazole
    Naphthol AS-BS
    Product name: Naphthol AS-BS
    Chemical name: 3-hydroxy-3'-nitro-2-naphthanilide
    CAS No: 135-65-9
    Molecular formula: C17H12N2O4
    Molecular weight: 308.29
    Structural formula:
    Appearance: yellow even powder
    Initial Melting point (dry) : ≥242℃
    Purity: ≥98%
    Uses: used in the dyeing and printing of cotton, viscose fiber, also can make quick pigment, neutral element, etc.
     
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