Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate

Also known as: DIETHYL 2-((3-(BROMOMETHYL)THIOPHEN-2-YL)METHYLENE)MALONATE, DIETHYL 2-([3-(BROMOMETHYL)-2-THIENYL]METHYLENE)MALONATE, 2-[[3-(bromomethyl)-2-thiophenyl]methylidene]propanedioic acid diethyl ester, Propanedioic acid, 2-[[3-(bromomethyl)-2-thienyl]methylene]-, 1,3-diethyl ester, diethyl 2-[[3-(bromomethyl)thiophen-2-yl]methylidene]propanedioate

Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate (CAS 104085-30-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C13H15BrO4S and a molecular weight of 347.22500 g/mol. Key properties include a melting point of 60-62ºC, a boiling point of 385.6ºC at 760mmHg, a density of 1.454g/cm3 and a flash point of 187ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 104085-30-5
Jingsj CID: J-1494351-2
Molecular Formula: C₁₃H₁₅BrO₄S
Molecular Weight: 347.22500 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	60-62ºC
Boiling Point	385.6ºC at 760mmHg
Density	1.454g/cm3
Flash Point	187ºC
Exact Mass	345.98700
PSA	80.84000
LogP	3.15260
Vapor Pressure	3.77E-06mmHg at 25°C
Refractive Index	1.582

Customs & Trade Information

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Frequently Asked Questions

What is the CAS number of Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate?

The CAS number of Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate is 104085-30-5.

What are the molecular formula and molecular weight of Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate?

Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate has molecular formula C13H15BrO4S and molecular weight 347.22500 g/mol.

What are the upstream and downstream products of Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate?

For Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate, Upstream Products: 3-Methylthiophene-2-carboxaldehyde, Diethyl malonate.

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

Last updated: 8/21/2026

How to cite: Jingsj. "Diethyl 2-((3-(bromomethyl)thiophen-2-yl)methylene)malonate (CAS 104085-30-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494351-2 (accessed 2026-11-09).

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