3,4-Diaminobenzoic acid
3,4-二氨基苯甲酸
Also known as: 4-Carboxy-o-phenylenediamine, 4-Carboxybenzene-1,2-diamine, 1,2-diaminobenzene-4-carboxylic acid, o-phenylenediamine-5-carboxylic acid
3,4-Diaminobenzoic acid (CAS 619-05-6) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H8N2O2 and a molecular weight of 152.151 g/mol. It is also known as 4-Carboxy-o-phenylenediamine, 4-Carboxybenzene-1,2-diamine and 1,2-diaminobenzene-4-carboxylic acid. Key properties include a melting point of 208-210 °C (dec.)(lit.), a boiling point of 411.8±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 202.9±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 619-05-6
- Jingsj CID
- J-42316-6
- Molecular Formula
- C7H8N2O2
- Chinese Name
- 3,4-二氨基苯甲酸
- Molecular Weight
- 152.151 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 208-210 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 411.8±35.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 202.9±25.9 °C |
Frequently Asked Questions
What is the CAS number of 3,4-Diaminobenzoic acid?
The CAS number of 3,4-Diaminobenzoic acid is 619-05-6.
What are the molecular formula and molecular weight of 3,4-Diaminobenzoic acid?
3,4-Diaminobenzoic acid has molecular formula C7H8N2O2 and molecular weight 152.151 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4-Diaminobenzoic acid (CAS 619-05-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-42316-6 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.