2,6-Dihydroxybenzoic acid
Also known as: 2,6-Resorcylic acid, γ-Resorcylic acid, Gamma-Resorcylic Acid, Resorcinol-2-carboxylic acid, 6-Hydroxysalicylic acid, 2-Carboxyresorcinol
2,6-Dihydroxybenzoic acid (CAS 303-07-1) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H6O4 and a molecular weight of 154.120 g/mol. Key properties include a melting point of 165 °C (dec.)(lit.), a boiling point of 343.7±32.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 175.8±21.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 303-07-1
- Jingsj CID
- J-35854-3
- Molecular Formula
- C7H6O4
- Molecular Weight
- 154.120 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 165 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 343.7±32.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 175.8±21.6 °C |
| Exact Mass | 154.026611 |
| PSA | 77.76000 |
| LogP | 2.24 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.671 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Cokgor EU, et al. Biodegradation kinetics of peptone and 2,6-dihydroxybenzoic acid by acclimated dual microbial culture. Bioresour Technol. 2011 Jan;102(2):567-75. |
Customs & Trade Information
| HS Code | 2918290000 |
|---|---|
| Summary | HS: 2918290000 other carboxylic acids with phenol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) VAT:17.0% MFN tariff:6.5% General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 2,6-Dihydroxybenzoic acid?
The CAS number of 2,6-Dihydroxybenzoic acid is 303-07-1.
What are the molecular formula and molecular weight of 2,6-Dihydroxybenzoic acid?
2,6-Dihydroxybenzoic acid has molecular formula C7H6O4 and molecular weight 154.120 g/mol.
What are the upstream and downstream products of 2,6-Dihydroxybenzoic acid?
For 2,6-Dihydroxybenzoic acid, Upstream Products: Resorcinol, Salicylic acid, Potassium hydrogen carbonate; Downstream Products: Ethyl 2,6-dihydroxybenzoate, 2,6-Dihydroxybenzaldehyde, Bromodichloromethane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,6-Dihydroxybenzoic acid (CAS 303-07-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35854-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.