3-Aminosalicylic acid
Also known as: 3-Amino-2-hydroxybenzoic acid, 3-Amino-2-hydroxybenzoate, Benzoic acid, 3-amino-2-hydroxy-, Salicylic acid, 3-amino-, Mesalazine EP Impurity F, Mesalazine Impurity F, 2-hydroxy-3-aminobenzoic acid, MFCD00010299, EINECS 209-328-0
3-Aminosalicylic acid (CAS 570-23-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H7NO3 and a molecular weight of 153.135 g/mol. Key properties include a melting point of 240 °C (dec.)(lit.), a boiling point of 344.4±37.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 162.1±26.5 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 570-23-0
- Jingsj CID
- J-9632-2
- Molecular Formula
- C7H7NO3
- Molecular Weight
- 153.135 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 240 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 344.4±37.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 162.1±26.5 °C |
| Exact Mass | 153.042587 |
| PSA | 83.55000 |
| LogP | 1.19 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.691 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of 3-Aminosalicylic acid?
The CAS number of 3-Aminosalicylic acid is 570-23-0.
What are the molecular formula and molecular weight of 3-Aminosalicylic acid?
3-Aminosalicylic acid has molecular formula C7H7NO3 and molecular weight 153.135 g/mol.
Is 3-Aminosalicylic acid hazardous?
3-Aminosalicylic acid has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3-Aminosalicylic acid?
For 3-Aminosalicylic acid, Upstream Products: 3-Nitrosalicylic acid, Potassium hydrogen carbonate, 2-Aminophenol; Downstream Products: Methyl 3-amino-2-hydroxybenzoate, 3,5-Diiodosalicylic acid, 2-Methyl-1,3-benzoxazole-7-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. "3-Aminosalicylic acid (CAS 570-23-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9632-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.