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3,4-Dicyanothiophene

Also known as: 3,4-Dicyanothiophene, 3,4-Thiophenedicarbonitrile, Thiophene-3,4-dicarbonitrile, 3,4-Thienodinitrile, 3,4-Thienyldicarbonitrile, 4-dicarbonitrile, T5SJ CCN DCN

3,4-Dicyanothiophene (CAS 18853-32-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H2N2S and a molecular weight of 134.158 g/mol. Key properties include a boiling point of 339.0±27.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 158.8±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
18853-32-2
Jingsj CID
J-1340881-6
Molecular Formula
C6H2N2S
Molecular Weight
134.158 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point339.0±27.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point158.8±23.7 °C
Exact Mass133.993866
PSA75.82000
LogP0.35
Vapor Pressure0.0±0.7 mmHg at 25°C
Refractive Index1.596

Customs & Trade Information

HS Code2934999090
Summary2934999090. 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 3,4-Dicyanothiophene?

The CAS number of 3,4-Dicyanothiophene is 18853-32-2.

What are the molecular formula and molecular weight of 3,4-Dicyanothiophene?

3,4-Dicyanothiophene has molecular formula C6H2N2S and molecular weight 134.158 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Dicyanothiophene (CAS 18853-32-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1340881-6 (accessed 2026-11-09).

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