3-Bromo-4,5-dimethoxybenzonitrile

Also known as: 3-BROMO-4,5-DIMETHOXY-BENZONITRILE, 3-Brom-4,5-dimethoxy-benzonitril, 3-bromo-4,5-dimethoxybenzenecarbonitrile, 5-Brom-veratrumsaeurenitril, 6-Brom-4-cyan-veratrol, AKOS B004808, Benzonitrile, 3-bromo-4,5-dimethoxy-, F3099-6742, MFCD02256494, OTAVA-BB BB7018930019

3-Bromo-4,5-dimethoxybenzonitrile (CAS 781654-31-7) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H8BrNO2 and a molecular weight of 242.06900 g/mol. Key properties include a boiling point of 291.1ºC at 760 mmHg, a density of 1.53g/cm3 and a flash point of 129.9ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 781654-31-7
Jingsj CID: J-942573-4
Molecular Formula: C₉H₈BrNO₂
Molecular Weight: 242.06900 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	291.1ºC at 760 mmHg
Density	1.53g/cm3
Flash Point	129.9ºC
Exact Mass	240.97400
PSA	42.25000
LogP	2.33798
Refractive Index	1.569

Customs & Trade Information

HS Code	2926909090
Summary	HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Bromo-4,5-dimethoxybenzonitrile?

The CAS number of 3-Bromo-4,5-dimethoxybenzonitrile is 781654-31-7.

What are the molecular formula and molecular weight of 3-Bromo-4,5-dimethoxybenzonitrile?

3-Bromo-4,5-dimethoxybenzonitrile has molecular formula C9H8BrNO2 and molecular weight 242.06900 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "3-Bromo-4,5-dimethoxybenzonitrile (CAS 781654-31-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-942573-4 (accessed 2026-11-09).

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