2-(tetrahydro-4H-thiopyran-4-ylidene)malononitrile

Also known as: 2-(dihydro-2H-thiopyran-4(3H)-ylidene)malononitrile, 2-(2H-thiopyran-4(3H,5H,6H)-ylidene)malononitrile, 2-(tetrahydro-4H-thiopyran-4-ylidene)propanedinitrile, (tetrahydro-4H-thiopyran-4-ylidene)propanedinitrile, 2-(tetrahydrothiopyran-4-ylidene)malononitrile, A8667

2-(tetrahydro-4H-thiopyran-4-ylidene)malononitrile (CAS 62702-80-1) is a compound in the Nitrogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C8H8N2S and a molecular weight of 164.22800 g/mol. Key properties include a boiling point of 343.848ºC at 760 mmHg, a density of 1.22g/cm3 and a flash point of 161.754ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 62702-80-1
Jingsj CID: J-1421386-6
Molecular Formula: C₈H₈N₂S
Molecular Weight: 164.22800 g/mol
Category: Nitrogen Compounds
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	343.848ºC at 760 mmHg
Density	1.22g/cm3
Flash Point	161.754ºC
Exact Mass	164.04100
PSA	72.88000
LogP	1.85716
Refractive Index	1.576

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 2-(tetrahydro-4H-thiopyran-4-ylidene)malononitrile?

The CAS number of 2-(tetrahydro-4H-thiopyran-4-ylidene)malononitrile is 62702-80-1.

What are the molecular formula and molecular weight of 2-(tetrahydro-4H-thiopyran-4-ylidene)malononitrile?

2-(tetrahydro-4H-thiopyran-4-ylidene)malononitrile has molecular formula C8H8N2S and molecular weight 164.22800 g/mol.

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. "2-(tetrahydro-4H-thiopyran-4-ylidene)malononitrile (CAS 62702-80-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1421386-6 (accessed 2026-11-09).

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