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2-Iodo-4,5-dimethoxybenzoic acid

Also known as: 4,5-Dimethoxy-2-iodobenzoic acid, Benzoic acid, 2-iodo-4,5-dimethoxy-

2-Iodo-4,5-dimethoxybenzoic acid (CAS 61203-48-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H9IO4 and a molecular weight of 308.070 g/mol. Key properties include a melting point of 206-208ºC, a boiling point of 367.9±42.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 176.3±27.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
61203-48-3
Jingsj CID
J-899777-1
Molecular Formula
C9H9IO4
Molecular Weight
308.070 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point206-208ºC
Boiling Point367.9±42.0 °C at 760 mmHg
Density1.8±0.1 g/cm3
Flash Point176.3±27.9 °C
Exact Mass307.954529
PSA55.76000
LogP2.27
Vapor Pressure0.0±0.9 mmHg at 25°C
Refractive Index1.607
Storage Conditions-20°C

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 2-Iodo-4,5-dimethoxybenzoic acid?

The CAS number of 2-Iodo-4,5-dimethoxybenzoic acid is 61203-48-3.

What are the molecular formula and molecular weight of 2-Iodo-4,5-dimethoxybenzoic acid?

2-Iodo-4,5-dimethoxybenzoic acid has molecular formula C9H9IO4 and molecular weight 308.070 g/mol.

What are the upstream and downstream products of 2-Iodo-4,5-dimethoxybenzoic acid?

For 2-Iodo-4,5-dimethoxybenzoic acid, Upstream Products: 2-Amino-4,5-dimethoxybenzoic acid, 2-iodo-4,5-dimethoxybenzaldehyde, Veratric acid; Downstream Products: 6,7-Dimethoxy-2-methylquinazolin-4-ol, Nitidine chloride, Methyl 2-iodo-4,5-dimethoxybenzoate.

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-Iodo-4,5-dimethoxybenzoic acid (CAS 61203-48-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-899777-1 (accessed 2026-11-09).

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