H-Acid
Dye Intermediate

H-Acid

H-Acid is a key naphthalene-based dye intermediate widely used in the manufacture of reactive and acid dyes. It is produced under controlled manufacturing conditions to ensure consistency, purity, and suitability for complex dye synthesis processes.

Specifications

Structural Formula
Structural Formula

Molecular Weight

319 g/mol

Empirical Formula

C10H9NO7S2

Typical Purity

≥ 95%

CAS No.

90-20-0

Synonym

1-Amino-8-naphthol-3,6-disulphonic acid

Nature of Material

Free sulphonic acid

Solubility

Soluble in water

Description

Grey to off-white powder

Packaging

50 kg HDPE bags with liner