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Tangshan Huayi IndustryHoldings Co.,Ltd.

15 YRS

Hebei, China

CNY 94.8 Million

432900 m²

Less than 50 people

Main Products: Phthalic Anhydride / J Acid / 2-Naphthol / 3-Hydroxy-2-Naphthoic Acid / Maleic Anhydride / 2-Aminonaphthalene-1-Sulfonic Acid / Alpha Naphthol

Hebei, China

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7-Amino-4-Hydroxy-2-Naphthalenesulfonic Acid / CAS 87-02-5

OVERVIEW

Uses

7-Anilino-4-Hydroxy-2-Naphthalenesulfonic Acid 7-Anilino-4-Hydroxy-2-Naphthalenesulfonic Acid

Packaging

25 KG/Fibre Drum

Lead Time

14-30 days

Max Capacity

2000 MT/Year

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DESCRIPTION

Product Name: 2-amino-5-naphthol-7-sulfonic acid, mainly used as dye intermediate to manufacture azo dyes, and can be used to manufacture double J acid, scarlet acid and phenylj acid.

Typical Properties

This product is an important dye intermediate, which is used to manufacture azo dyes, such as direct green lotus R, direct sun resistant grey 2BL, direct acid resistant violet, direct peach red, direct copper dyed navy blue, sun resistant blue B2R, reactive scarlet, brilliant orange, grass green and red brown, and can be used to manufacture scarlet acid and phenylj acid.

CAS No.

87-02-5

Formula

C10H9NO4S

Molecular Mass

239.24800

Exact Mass

239.02500

PSA

109.00000

Logp

3.03630

IUPAC

7-amino-4-hydroxynaphthalene-2-sulfonic acid

SMILES

C1=CC2=C(C=C(C=C2C=C1N)S(=O)(=O)O)O

Matter Classification

organic

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