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3,5-Dimethoxybenzoic acid

Also known as: 3,5-Dimethoxybenzoic Acid, Benzoic acid, 3,5-dimethoxy-, 3,5-dimethoxy-benzoic acid, AKOS 227-39, AKOS BBS-00007826, AURORA 8636, OTAVA-BB BB7013191651, QVR CO1 EO1, RARECHEM AL BO 0044, TIMTEC-BB SBB007798, EINECS 214-473-8, MFCD00002502

3,5-Dimethoxybenzoic acid (CAS 1132-21-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O4 and a molecular weight of 182.173 g/mol. Key properties include a melting point of 178-180 °C(lit.), a boiling point of 340.7±22.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 138.9±15.8 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.

CAS No.
1132-21-4
Jingsj CID
J-48037-5
Molecular Formula
C9H10O4
Molecular Weight
182.173 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point178-180 °C(lit.)
Boiling Point340.7±22.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point138.9±15.8 °C
Exact Mass182.057907
PSA55.76000
LogP2.03
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.533

Activity & Biological Data

Additional Information[1]. Khajista Jabeen, et al. Antifungal Compounds From Melia Azedarach Leaves for Management of Ascochyta Rabiei, the Cause of Chickpea Blight. Nat Prod Res. 2011 Feb;25(3):264-76.

Customs & Trade Information

HS Code2918990090
Summary2918990090. 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 3,5-Dimethoxybenzoic acid?

The CAS number of 3,5-Dimethoxybenzoic acid is 1132-21-4.

What are the molecular formula and molecular weight of 3,5-Dimethoxybenzoic acid?

3,5-Dimethoxybenzoic acid has molecular formula C9H10O4 and molecular weight 182.173 g/mol.

Which suppliers offer 3,5-Dimethoxybenzoic acid?

1 supplier(s) listed; request a quote for pricing.

What are the upstream and downstream products of 3,5-Dimethoxybenzoic acid?

For 3,5-Dimethoxybenzoic acid, Upstream Products: Methyl 3,5-dimethoxybenzoate, 3,5-Dimethoxybenzaldehyde, Carbon dioxide; Downstream Products: 3',5'-Dimethoxyacetophenone, 5-Heptylresorcinol, Olivetol.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3,5-Dimethoxybenzoic acid (CAS 1132-21-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48037-5 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.