2,6-dimethyl-4H-pyran-4-thione

Also known as: 2,6-dimethyl-4-thiopyrone, 2,6-dimethylpyran-4(4H)-thione, 2,6-dimethyl-pyran-4-thione, 2,6-dimethylpyran-4-thione, 4H-pyran-4-thione,2,6-dimethyl-, 2.6-dimethyl-4-thiopyron, 2,6-dimethyl-4-thiopyranone

2,6-dimethyl-4H-pyran-4-thione (CAS 1004-37-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H8OS and a molecular weight of 140.20300 g/mol. Key properties include a boiling point of 177.4ºC at 760mmHg, a density of 1.13g/cm3 and a flash point of 61.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1004-37-1
Jingsj CID: J-1177905-8
Molecular Formula: C₇H₈OS
Molecular Weight: 140.20300 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	177.4ºC at 760mmHg
Density	1.13g/cm3
Flash Point	61.1ºC
Exact Mass	140.03000
PSA	45.23000
LogP	2.62590
Vapor Pressure	1.4mmHg at 25°C
Refractive Index	1.571

Customs & Trade Information

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. 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 2,6-dimethyl-4H-pyran-4-thione?

The CAS number of 2,6-dimethyl-4H-pyran-4-thione is 1004-37-1.

What are the molecular formula and molecular weight of 2,6-dimethyl-4H-pyran-4-thione?

2,6-dimethyl-4H-pyran-4-thione has molecular formula C7H8OS and molecular weight 140.20300 g/mol.

What are the upstream and downstream products of 2,6-dimethyl-4H-pyran-4-thione?

For 2,6-dimethyl-4H-pyran-4-thione, Upstream Products: 2,6-Dimethyl-4H-pyran-4-one; Downstream Products: (2,6-Dimethyl-4H-pyran-4-ylidene)malononitrile, 2,6-Heptanedione.

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. "2,6-dimethyl-4H-pyran-4-thione (CAS 1004-37-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177905-8 (accessed 2026-11-09).

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