6-Methylbenzothiopyran-4(4H)-one

6-甲基苯并噻喃-4(4H)-酮

Also known as: 6-Methylthiochroman-4-one, 6-Methylthiochromanone, 2,3-dihydro-6-methyl-4H-1-benzothiopyran-4-one, 3,4-Dihydro-6-methyl-2H-1-benzothiopyran-4-one, 6-Methyl-1-thio-chromanon-(4), 6-methyl-2,3-dihydro-4h-thiochromen-4-one, 6-methyl-2,3-dihydrothiochromen-4-one, EINECS 230-114-8, MFCD00089270, NSC 55761

6-Methylbenzothiopyran-4(4H)-one (CAS 6948-34-1) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C10H10OS and a molecular weight of 178.25100 g/mol. It is also known as 6-Methylthiochroman-4-one, 6-Methylthiochromanone and 2,3-dihydro-6-methyl-4H-1-benzothiopyran-4-one. Key properties include a melting point of 41-45ºC(lit.), a boiling point of 326.2ºC at 760 mmHg, a density of 1.2 g/cm3 and a flash point of >110ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6948-34-1
Jingsj CID
J-48363-4
Molecular Formula
C10H10OS
Chinese Name
6-甲基苯并噻喃-4(4H)-酮
Molecular Weight
178.25100 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point41-45ºC(lit.)
Boiling Point326.2ºC at 760 mmHg
Density1.2 g/cm3
Flash Point>110ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 6-Methylbenzothiopyran-4(4H)-one?

The CAS number of 6-Methylbenzothiopyran-4(4H)-one is 6948-34-1.

What are the molecular formula and molecular weight of 6-Methylbenzothiopyran-4(4H)-one?

6-Methylbenzothiopyran-4(4H)-one has molecular formula C10H10OS and molecular weight 178.25100 g/mol.

Is 6-Methylbenzothiopyran-4(4H)-one hazardous?

6-Methylbenzothiopyran-4(4H)-one has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "6-Methylbenzothiopyran-4(4H)-one (CAS 6948-34-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48363-4 (accessed 2026-10-24).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.