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(2E)-3-(3-Thienyl)acrylic acid

Also known as: 3-(3-Thienyl)acrylic acid, (E)-3-(3-thienyl)acrylic acid, 3-(3-Thienyl)propenoic acid, 3-Thiopheneacrylic acid, Thiophene-3-acrylic acid, trans-3-(3-thienyl)acrylic acid, trans-3-(thiophen-3-yl)acrylic acid, 3-THIEN-3-YLACRYLIC ACID, 3-THIOPHEN-3-YL-ACRYLIC ACID, 3-THIOPHENEACRYLIC ACID, TRANS-3-THIOPHENEACRYLIC ACID

(2E)-3-(3-Thienyl)acrylic acid (CAS 1195-52-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C7H6O2S and a molecular weight of 154.19 g/mol. Key properties include a melting point of 155 °C, a boiling point of 298.9±15.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 134.6±20.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1195-52-4
Jingsj CID
J-43863-1
Molecular Formula
C7H6O2S
Molecular Weight
154.19 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point155 °C
Boiling Point298.9±15.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point134.6±20.4 °C
Exact Mass154.008850
PSA65.54000
LogP2.21
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.656

Frequently Asked Questions

What is the CAS number of (2E)-3-(3-Thienyl)acrylic acid?

The CAS number of (2E)-3-(3-Thienyl)acrylic acid is 1195-52-4.

What are the molecular formula and molecular weight of (2E)-3-(3-Thienyl)acrylic acid?

(2E)-3-(3-Thienyl)acrylic acid has molecular formula C7H6O2S and molecular weight 154.19 g/mol.

What are the upstream and downstream products of (2E)-3-(3-Thienyl)acrylic acid?

For (2E)-3-(3-Thienyl)acrylic acid, Upstream Products: 3-Thiophenecarboxaldehyde, Malonic acid, 1,1-Bis(trimethylsilyloxy)-2-trimethylsilylethene; Downstream Products: 4,5-Dihydrocyclopenta[b]thiophen-6-one, 3-Thiophenepropanoic acid, thieno[2,3-c]pyridin-7(6H)-one.

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

Last updated:

How to cite: Jingsj. "(2E)-3-(3-Thienyl)acrylic acid (CAS 1195-52-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-43863-1 (accessed 2026-11-09).

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