3,4-Dimethoxychalcone

3,4-二甲氧基查耳酮

Also known as: 1-phenyl-3-(3,4-dimethoxyphenyl)-2-propen-1-one, 2-Propen-1-one, 3-(3,4-dimethoxyphenyl)-1-phenyl-, (E)-3-(3,4-dimethoxyphenyl)-1-phenylprop-2-en-1-one, 3,4-dimethoxybenzylideneacetophenone, 3-(3,4-dimethoxyphenyl)-1-phenylprop-2-en-1-one, NSC 11868, NSC 204995, NSC 643172, 3,4-dimethoxy-chalkon, 3,4-dimethoxy-chalcone

3,4-Dimethoxychalcone (CAS 5416-71-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C17H16O3 and a molecular weight of 268.31 g/mol. It is also known as 1-phenyl-3-(3,4-dimethoxyphenyl)-2-propen-1-one, 2-Propen-1-one, 3-(3,4-dimethoxyphenyl)-1-phenyl- and (E)-3-(3,4-dimethoxyphenyl)-1-phenylprop-2-en-1-one. Key properties include a melting point of 88ºC, a boiling point of 421.8ºC at 760mmHg, a density of 1.128g/cm3 and a flash point of 200.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5416-71-7
Jingsj CID
J-1984085-5
Molecular Formula
C17H16O3
Chinese Name
3,4-二甲氧基查耳酮
Molecular Weight
268.31 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point88ºC
Boiling Point421.8ºC at 760mmHg
Density1.128g/cm3
Flash Point200.7ºC

Frequently Asked Questions

What is the CAS number of 3,4-Dimethoxychalcone?

The CAS number of 3,4-Dimethoxychalcone is 5416-71-7.

What are the molecular formula and molecular weight of 3,4-Dimethoxychalcone?

3,4-Dimethoxychalcone has molecular formula C17H16O3 and molecular weight 268.31 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Dimethoxychalcone (CAS 5416-71-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1984085-5 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.