2,4-Dihydroxybenzoic acid
Also known as: β-Resorcylic acid, p-Hydroxysalicylic acid, 4-Hydroxysalicylic acid, Resorcylic acid, 4-Carboxyresorcinol, 2,4-Dihydroxybenzenecarboxylic Acid, Benzoic acid, 2,4-dihydroxy-
2,4-Dihydroxybenzoic acid (CAS 89-86-1) 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 208-211 °C (dec.)(lit.), a boiling point of 414.8±15.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 218.8±16.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 89-86-1
- Jingsj CID
- J-48021-7
- 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 | 208-211 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 414.8±15.0 °C at 760 mmHg |
| Density | 1.6±0.1 g/cm3 |
| Flash Point | 218.8±16.9 °C |
| Exact Mass | 154.026611 |
| PSA | 77.76000 |
| LogP | 1.60 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.671 |
| Additional Property | 8 g/L (20 ºC) |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Seeram NP, et al. Degradation products of cyanidin glycosides from tart cherries and their bioactivities. J Agric Food Chem. 2001 Oct;49(10):4924-9. |
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 2,4-Dihydroxybenzoic acid?
The CAS number of 2,4-Dihydroxybenzoic acid is 89-86-1.
What are the molecular formula and molecular weight of 2,4-Dihydroxybenzoic acid?
2,4-Dihydroxybenzoic acid has molecular formula C7H6O4 and molecular weight 154.120 g/mol.
What are the upstream and downstream products of 2,4-Dihydroxybenzoic acid?
For 2,4-Dihydroxybenzoic acid, Upstream Products: Resorcinol, 3-Methoxy-1-butanol, 1-Methoxy-2-propanol; Downstream Products: Methyl 2,4-dimethoxybenzoate, Methyl 2-methoxybenzoate, Methyl 3-methoxybenzoate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dihydroxybenzoic acid (CAS 89-86-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48021-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.