4-Amino-3-mercaptobenzoic acid
Also known as: 3-Mercapto-4-aminobenzoic Acid, 4-AMINO-3-MERCAPTOBENZOIC ACID, 4-AMINO-3-SULFANYLBENZENECARBOXYLIC ACID, 4-Amino-3-mercapto-benzoesaeure, 4-aMino-3-sulfanylbenzoic acid, 4-amino-3-mercapto benzoic acid, 4-amino-3-sulfanylbenzenecarboxylic acid, 4-amino-3-sulfanylbenzoic acid, 4-amino-3-thio-benzoic acid, 4-azanyl-3-sulfanyl-benzoic acid, Benzoic acid, 4-amino-3-mercapto-
4-Amino-3-mercaptobenzoic acid (CAS 14543-45-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7NO2S and a molecular weight of 169.201 g/mol. Key properties include a melting point of 290℃ (decomp), a boiling point of 383.3±32.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 185.6±25.1 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14543-45-4
- Jingsj CID
- J-1091683-3
- Molecular Formula
- C7H7NO2S
- Molecular Weight
- 169.201 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 290℃ (decomp) |
|---|---|
| Boiling Point | 383.3±32.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 185.6±25.1 °C |
| Exact Mass | 169.019745 |
| PSA | 102.12000 |
| LogP | 1.40 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.709 |
| Storage Conditions | 2-8℃ |
Customs & Trade Information
| HS Code | 2930909090 |
|---|---|
| Summary | 2930909090. other organo-sulphur compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Amino-3-mercaptobenzoic acid?
The CAS number of 4-Amino-3-mercaptobenzoic acid is 14543-45-4.
What are the molecular formula and molecular weight of 4-Amino-3-mercaptobenzoic acid?
4-Amino-3-mercaptobenzoic acid has molecular formula C7H7NO2S and molecular weight 169.201 g/mol.
What are the upstream and downstream products of 4-Amino-3-mercaptobenzoic acid?
For 4-Amino-3-mercaptobenzoic acid, Upstream Products: 2-Aminobenzothiazole-6-carboxylic acid, Benzocaine, 2-amino-1,3-benzothiazole-6-carbonitrile; Downstream Products: 2-phenyl-1,3-benzothiazole-6-carboxylic acid, 2-Hydroxybenzo[d]thiazole-6-carboxylic acid, 2-Methyl-1,3-benzothiazole-6-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Amino-3-mercaptobenzoic acid (CAS 14543-45-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1091683-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.