3-Amino-4-Hydroxybenzenesulphonic Acid | 98-37-3

Cas No :

98-37-3

Form :

Solid

Molecular Weight :

189.19 G/Mol

Molecular Formula :

C6H7NO4S

Boiling Point :

300 °C

Melting Point :

190 °C

Flash Point :

150 °C

Solubility :

Soluble In Water; Soluble In Ethanol

Description :

Overview of 3-Amino-4-Hydroxybenzenesulphonic Acid

3-Amino-4-Hydroxybenzenesulphonic Acid is an aromatic sulfonic acid derivative widely used as an intermediate in dye, pigment, and specialty chemical manufacturing. It contains amino (–NH₂), hydroxyl (–OH), and sulfonic acid (–SO₃H) functional groups attached to a benzene ring, making it highly reactive in diazotization and coupling reactions.

Its multifunctional structure makes it suitable for azo dye synthesis and chemical intermediate applications.


Applications of 3-Amino-4-Hydroxybenzenesulphonic Acid

Dye & Pigment Manufacturing

3-Amino-4-Hydroxybenzenesulphonic Acid is primarily used in the production of azo dyes and reactive dyes. The amino group undergoes diazotization, followed by coupling reactions to form colored dye intermediates.

It is often processed in systems involving Sulfuric Acid and other sulfonation agents during dye synthesis.

Textile & Printing Industry

In textile chemical processing, this compound serves as a key intermediate for manufacturing water-soluble dyes used in cotton, wool, and blended fabrics. Its sulfonic acid group improves dye solubility and fabric affinity.

It may be utilized alongside color-developing intermediates such as 1-Naphthol in azo dye production.

Chemical Intermediates & Laboratory Synthesis

The compound is used in specialty organic synthesis due to its reactive amino and hydroxyl groups. It enables the preparation of advanced aromatic intermediates and functional molecules.

In certain reactions, it may interact with compounds such as sodium sulphite for controlled processing and purification steps.

Pigment & Specialty Formulations

3-Amino-4-Hydroxybenzenesulphonic Acid contributes to pigment manufacturing where stability, solubility, and color fastness are required. Its aromatic structure supports stable chromophore formation in industrial formulations.


Safety & Handling Guidelines

  • Store in a cool, dry, and well-ventilated area
  • Keep container tightly sealed to prevent moisture absorption
  • Avoid inhalation of dust
  • Use protective gloves, goggles, and protective clothing
  • Wash thoroughly after handling
  • Dispose of waste in accordance with environmental regulations

Always consult the official MSDS before industrial handling.


Where to Buy 3-Amino-4-Hydroxybenzenesulphonic Acid?

3-Amino-4-Hydroxybenzenesulphonic Acid Manufacturer

3-Amino-4-Hydroxybenzenesulphonic Acid is manufactured through controlled sulfonation and functional group substitution processes to ensure high purity and consistent quality suitable for dye and chemical industries.

3-Amino-4-Hydroxybenzenesulphonic Acid Supplier & Distributor

Buy 3-Amino-4-Hydroxybenzenesulphonic Acid from Chemicalbull Pvt. Ltd., a trusted industrial chemicals supplier and distributor in India, offering reliable bulk supply and compliant logistics support.

For the latest price and bulk supply details, contact Chemicalbull Pvt. Ltd. for a competitive industrial quotation.


MSDS for 3-Amino-4-Hydroxybenzenesulphonic Acid

The MSDS for 3-Amino-4-Hydroxybenzenesulphonic Acid provides detailed information on hazard identification, safe handling procedures, exposure controls, storage requirements, and emergency response measures. Industrial users should review the safety data sheet before use.


Frequently Asked Questions (FAQs)

  1. What is 3 amino 4 hydroxybenzenesulfonic acid formula?

    The molecular formula is C₆H₇NO₄S.

  2. What is the 3 amino 4 hydroxybenzenesulfonic acid structure?

    It consists of a benzene ring substituted with amino (–NH₂), hydroxyl (–OH), and sulfonic acid (–SO₃H) groups.

  3. What are the uses of 3-Amino-4-Hydroxybenzenesulphonic Acid?

    It is mainly used in dye and pigment manufacturing, textile processing, and specialty chemical synthesis.