3-Amino-4-hydroxybenzenesulfonic acid

Agent Name
3-Amino-4-hydroxybenzenesulfonic acid
CAS Number
98-37-3
Formula
C6-H7-N-O4-S
Major Category
Nitrogen Compounds
3-Amino-4-hydroxybenzenesulfonic acid formula graphical representation
Synonyms
2-Amino-4-sulfophenol; 2-Aminophenol-4-sulfonic acid; 2-Hydroxy-5-sulfoaniline; 4-Hydroxy-3-aminobenzenesulfonic acid; 4-Hydroxymetanilic acid; o-Aminophenol-p-sulfonic acid; 2-Amino-1-phenol-4-sulfonic acid; 3-Amino-4-hydroxybenzenesulphonic acid; Benzenesulfonic acid, 3-amino-4-hydroxy-; Metanilic acid, 4-hydroxy- (8CI); [ChemIDplus] 1-Amino-2-hydroxy-5-benzenesulfonic acid; 3-Amino-4-hydroxy benzenesulfonic acid; 2-Aminophenol-4-sulphonic acid; ortho-Amino-phenol-para-sulfonic acid; [CAMEO] UN2585
Category
Aminobenzenesulfonic Acids
Description
Brown solid; [CAMEO] Dark brown crystalline solid; [Sigma-Aldrich MSDS]
Sources/Uses
Used as a dye intermediate; [NTP] Used to make dyes and pharmaceuticals; [ExPub: ECHA REACH Registrations]
Comments
An irritant; [NTP] Causes burns; Inhalation may cause corrosive injuries to upper respiratory tract and lungs; [Sigma-Aldrich MSDS] See "Sulfanilic acid."
Biomedical References

Exposure Assessment

Explanatory Notes
The Guide in the Emergency Response Guidebook is for "Aryl sulfonic acids, solid, with not mor than 5% free Sulfuric acid."

Adverse Effects

Toxic Pneumonitis
Yes
Dermatotoxin
Skin burns

Diseases, Processes, and Activities Linked to This Agent

Other Information
No other related information on this agent was found.