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trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid

Also known as: (E)-3-(2,3,4-trimethoxyphenyl)acrylic acid, (E)-3-(2,3,4-trimethoxyphenyl)prop-2-enoic acid, 2,3,4-trimethoxycinnamic acid, 2,3,4-Trimethoxy-trans-cinnamic acid, 2,3,4-Trimethoxy-trans-zimtsaeure, 2,3,4-Trimethoxyzimtsaeure, 2-Propenoic acid, 3-(2,3,4-trimethoxyphenyl)-, (2E)-, RARECHEM BK HC T327, Trans-2,3,4-Trimethoxycinnam, trans-2,3,4-Trimethoxycinnamic

trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid (CAS 116406-19-0) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C12H14O5 and a molecular weight of 238.23700 g/mol. Key properties include a melting point of 172-173ºC, a boiling point of 392.2ºC at 760 mmHg, a density of 1.209 and a flash point of 149.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
116406-19-0
Jingsj CID
J-1183395-7
Molecular Formula
C12H14O5
Molecular Weight
238.23700 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point172-173ºC
Boiling Point392.2ºC at 760 mmHg
Density1.209
Flash Point149.6ºC
Exact Mass238.08400
PSA64.99000
LogP1.81020

Frequently Asked Questions

What is the CAS number of trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid?

The CAS number of trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid is 116406-19-0.

What are the molecular formula and molecular weight of trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid?

trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid has molecular formula C12H14O5 and molecular weight 238.23700 g/mol.

What are the upstream and downstream products of trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid?

For trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid, Upstream Products: (Ethoxycarbonylmethyl)triphenylphosphonium bromide, 2,3,4-Trimethoxybenzaldehyde, Malonic acid; Downstream Products: 3-(2,3,4-trimethoxyphenyl)propanoic acid.

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

Last updated:

How to cite: Jingsj. "trans-3-(2,3,4-Trimethoxyphenyl)-2-propenoic acid (CAS 116406-19-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1183395-7 (accessed 2026-11-09).

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