Methyl 3,4-dihydroxybenzoate
Also known as: Methyl protocatechuate, Protocatechuic acid methyl ester, 3,4-Dihydroxybenzoic acid methyl ester, Benzoic acid, 3,4-dihydroxy-, methyl ester, Methyl 3,4-dihydroxybenzoate
Methyl 3,4-dihydroxybenzoate (CAS 2150-43-8) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O4 and a molecular weight of 168.147 g/mol. Key properties include a melting point of 134-135°C, a boiling point of 351.5±22.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 148.5±15.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2150-43-8
- Jingsj CID
- J-44143-0
- Molecular Formula
- C8H8O4
- Molecular Weight
- 168.147 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 134-135°C |
|---|---|
| Boiling Point | 351.5±22.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 148.5±15.8 °C |
| Exact Mass | 168.042252 |
| PSA | 66.76000 |
| LogP | 1.69 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.588 |
Activity & Biological Data
| Additional Information | [1]. Ameeramja J, et al. Protocatechuic acid methyl ester ameliorates fluoride toxicity in A549 cells. Food Chem Toxicol. 2017 Nov;109(Pt 2):941-950. [2]. Ameeramja J, et al. Protocatechuic acid methyl ester modulates fluoride induced pulmonary toxicity in rats. Food Chem Toxicol. 2018 Aug;118:235-244. |
|---|
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 Methyl 3,4-dihydroxybenzoate?
The CAS number of Methyl 3,4-dihydroxybenzoate is 2150-43-8.
What are the molecular formula and molecular weight of Methyl 3,4-dihydroxybenzoate?
Methyl 3,4-dihydroxybenzoate has molecular formula C8H8O4 and molecular weight 168.147 g/mol.
What are the upstream and downstream products of Methyl 3,4-dihydroxybenzoate?
For Methyl 3,4-dihydroxybenzoate, Upstream Products: Methanol, protocatechuic acid, Trimethyl orthoformate; Downstream Products: Methyl 2-amino-4,5-bis(2-methoxyethoxy)benzoate, Piperonylic acid, Diethyl methylenedicarbamate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Methyl 3,4-dihydroxybenzoate (CAS 2150-43-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44143-0 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.