3-Amino-4-hydroxybenzenesulfonic acid
3-Amino-4-hydroxybenzenesulfonic acid (CAS: 98-37-3; Formula: H2NC6H3(OH)SO3H; Molar Mass: 189.19 g/mol) is a crucial organic compound serving as a versatile building block in chemical synthesis. Its structure, featuring amino, hydroxyl, and sulfonic acid functional groups, facilitates its use in the development of various organic molecules, particularly within the realms of dyestuffs and pharmaceutical intermediates. Tech Serve Solutions supplies this chemical for research and industrial applications.
- IUPAC
- 2-Aminophenol-4-sulfonic acid
Intermediate in Dyestuff Synthesis
This compound acts as a key intermediate in the synthesis of azo dyes and other colourants. Its sulfonic acid group aids in solubility, while the amino and hydroxyl groups provide sites for diazotisation and coupling reactions.
Building Block for Organic Synthesis
Its multifunctional nature makes it a valuable starting material or intermediate for constructing more complex organic molecules. It is widely used in academic research and industrial R&D for exploring novel chemical entities.
Precursor for Pharmaceutical Intermediates
3-Amino-4-hydroxybenzenesulfonic acid can be employed in the synthetic pathways leading to various pharmaceutical compounds. The specific arrangement of functional groups allows for targeted modifications and incorporation into drug scaffolds.
| Molecular weight | 189.19 |
|---|---|
| Linear formula | H2NC6H3(OH)SO3H |
| Assay | ≥95% (T) |
| Melting point | ≥300 °C(lit.) |
Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Eyeshields, Faceshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 2585 8/PG 3 |
| Water hazard class (WGK, DE) | 1 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
| Ignition residue | ≤2% |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 3-Amino-4-hydroxybenzenesulfonic acid used for?
+
3-Amino-4-hydroxybenzenesulfonic acid is primarily used as a building block in organic synthesis, including the preparation of dyestuffs and pharmaceutical intermediates. It is valuable for research and industrial chemical development.
What is the CAS number and chemical formula for 3-Amino-4-hydroxybenzenesulfonic acid?
+
The CAS number is 98-37-3 and the chemical formula is H2NC6H3(OH)SO3H.
What grade and purity does Tech Serve Solutions supply for 3-Amino-4-hydroxybenzenesulfonic acid?
+
Tech Serve Solutions supplies 3-Amino-4-hydroxybenzenesulfonic acid with an assay of ≥95% (T). This is a technical grade product and is not represented as USP, BP, EP, or any pharmacopoeia grade.
How should 3-Amino-4-hydroxybenzenesulfonic acid be handled safely?
+
3-Amino-4-hydroxybenzenesulfonic acid is classified as Danger (GHS05) with hazard statement H314 (Causes severe skin burns and eye damage). Appropriate personal protective equipment, including eyeshields, face shields, gloves, and suitable respiratory protection, must be used. Handle only in well-ventilated areas and follow all safety precautions, including P280, P305 + P351 + P338, and P310.
How is 3-Amino-4-hydroxybenzenesulfonic acid packed and shipped?
+
This chemical is shipped according to international regulations for hazardous materials, identified as UN 2585, Class 8, Packing Group III. TSS ensures compliant packaging and documentation for export.
How can I request a sample or quote for 3-Amino-4-hydroxybenzenesulfonic acid?
+
To request a sample or a quotation, please contact our sales department via the website or direct email, providing your specific requirements and contact details.
▶ Related products
1-(2-Fluorobenzyl)piperazine
C11H15FN2
Chemical Synthesis
1-(2-Fluorophenyl)biguanide hydrochloride
Chemical Synthesis
1-(2-Fluorophenyl)cyclopropanecarboxylic acid
C10H9FO2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine
C10H13FN2
Chemical Synthesis
1-(2-Fluorophenyl)piperazine monohydrochloride
C10H13FN2 · HCl
Chemical Synthesis
1-(2-Furoyl)-1H-benzotriazole
C11H7N3O2
Chemical Synthesis
1-(2-Furoyl)piperazine
C9H12N2O2
Chemical Synthesis
1-(2-Hydroxy-5-methylphenyl)-3-phenyl-1,3-propanedione
Chemical Synthesis
▶ Explore more
3-Methyl-1,5-di-p-tolyl-1,4-pentazadiene
Chemical Synthesis
3-Methyl-1,5-pentanediol
Chemical Synthesis
3-Methyl-1-(2-methylphenyl)-1H-pyrazol-5-amine
C11H13N3
Chemical Synthesis
3-Methyl-1-(3′-sulfoamidophenyl)-5-pyrazolone
C10H11N3O3S
Chemical Synthesis