(2E)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)acrylic acid

1,4-苯并二恶烷-6-丙烯酸

Also known as: 3-(2,3-Dihydro-1,4-benzodioxin-6-yl)acrylic acid, (2E)-3-(2,3-Dihydro-1,4-benzodioxin-6-yl)acrylic acid, 1,4-Benzodioxan-6-acrylic acid, 3-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-propenoic acid, 3,4-Ethylenedioxycinnamic acid, TIMTEC-BB SBB002367, RARECHEM BK HC S237, OTAVA-BB BB7020400386

(2E)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)acrylic acid (CAS 14939-91-4) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C11H10O4 and a molecular weight of 206.195 g/mol. It is also known as 3-(2,3-Dihydro-1,4-benzodioxin-6-yl)acrylic acid, (2E)-3-(2,3-Dihydro-1,4-benzodioxin-6-yl)acrylic acid and 1,4-Benzodioxan-6-acrylic acid. Key properties include a melting point of 196-198ºC, a boiling point of 377.0±21.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 151.6±15.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 14939-91-4
Jingsj CID: J-1518564-0
Molecular Formula: C₁₁H₁₀O₄
Chinese Name: 1,4-苯并二恶烷-6-丙烯酸
Molecular Weight: 206.195 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	196-198ºC
Boiling Point	377.0±21.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	151.6±15.6 °C

Frequently Asked Questions

What is the CAS number of (2E)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)acrylic acid?

The CAS number of (2E)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)acrylic acid is 14939-91-4.

What are the molecular formula and molecular weight of (2E)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)acrylic acid?

(2E)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)acrylic acid has molecular formula C11H10O4 and molecular weight 206.195 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(2E)-3-(2,3-dihydro-1,4-benzodioxin-6-yl)acrylic acid (CAS 14939-91-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518564-0 (accessed 2026-10-25).

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