2-Ethoxycinnamic acid

2-乙氧基肉桂酸

Also known as: 2-Propenoic acid, 3-(2-ethoxyphenyl)-, (2E)-3-(2-Ethoxyphenyl)acrylic acid, (E)-3-(2-Ethoxyphenyl)acrylic acid, o-Ethoxycinnamic acid, NSC 98551, RARECHEM BK HW 0104

2-Ethoxycinnamic acid (CAS 69038-81-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H12O3 and a molecular weight of 192.21100 g/mol. It is also known as 2-Propenoic acid, 3-(2-ethoxyphenyl)-, (2E)-3-(2-Ethoxyphenyl)acrylic acid and (E)-3-(2-Ethoxyphenyl)acrylic acid. Key properties include a melting point of 134-138 °C(lit.), a boiling point of 337.2ºC at 760 mmHg, a density of 1.161 g/cm3 and a flash point of 131.7ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
69038-81-9
Jingsj CID
J-17859-0
Molecular Formula
C11H12O3
Chinese Name
2-乙氧基肉桂酸
Molecular Weight
192.21100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point134-138 °C(lit.)
Boiling Point337.2ºC at 760 mmHg
Density1.161 g/cm3
Flash Point131.7ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Ethoxycinnamic acid?

The CAS number of 2-Ethoxycinnamic acid is 69038-81-9.

What are the molecular formula and molecular weight of 2-Ethoxycinnamic acid?

2-Ethoxycinnamic acid has molecular formula C11H12O3 and molecular weight 192.21100 g/mol.

Is 2-Ethoxycinnamic acid hazardous?

2-Ethoxycinnamic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-Ethoxycinnamic acid (CAS 69038-81-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17859-0 (accessed 2026-10-22).

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