5-Formyl-2-hydroxybenzoic acid
Also known as: 5-Formylsalicylic acid, 2-Hydroxy-5-formylbenzoic acid, 3-Carboxy-4-hydroxybenzaldehyde, 2-hydroxy-5-methanoyl-benzoic acid, 6-Hydroxyisophthalaldehydic acid, Benzoic acid, 5-formyl-2-hydroxy-
5-Formyl-2-hydroxybenzoic acid (CAS 616-76-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H6O4 and a molecular weight of 166.131 g/mol. Key properties include a melting point of 250 °C (dec.)(lit.), a boiling point of 361.2±32.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 186.5±21.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 616-76-2
- Jingsj CID
- J-2552-5
- Molecular Formula
- C8H6O4
- Molecular Weight
- 166.131 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 250 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 361.2±32.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 186.5±21.6 °C |
| Exact Mass | 166.026611 |
| PSA | 74.60000 |
| LogP | 2.25 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.669 |
Customs & Trade Information
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. 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 5-Formyl-2-hydroxybenzoic acid?
The CAS number of 5-Formyl-2-hydroxybenzoic acid is 616-76-2.
What are the molecular formula and molecular weight of 5-Formyl-2-hydroxybenzoic acid?
5-Formyl-2-hydroxybenzoic acid has molecular formula C8H6O4 and molecular weight 166.131 g/mol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Formyl-2-hydroxybenzoic acid (CAS 616-76-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-2552-5 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.