1,4-Dimethyldibenzothiophene

1,4-二甲基二苯并噻吩

Also known as: 1,4-Dimethyldibenzo[b,d]thiophene, Dibenzothiophene, 1,4-dimethyl-, 1,4-DIMETHYLDIBENZOTHIOPHENE, 1,4-Dimethyldibenzothiophene, Dibenzo[b,d]thiophene, 1,4-dimethyl-

1,4-Dimethyldibenzothiophene (CAS 21339-65-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C14H12S and a molecular weight of 212.310 g/mol. It is also known as 1,4-Dimethyldibenzo[b,d]thiophene, Dibenzothiophene, 1,4-dimethyl- and 1,4-DIMETHYLDIBENZOTHIOPHENE. Key properties include a boiling point of 363.3±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 129.4±5.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
21339-65-1
Jingsj CID
J-1422440-7
Molecular Formula
C14H12S
Chinese Name
1,4-二甲基二苯并噻吩
Molecular Weight
212.310 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point363.3±11.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point129.4±5.5 °C

Frequently Asked Questions

What is the CAS number of 1,4-Dimethyldibenzothiophene?

The CAS number of 1,4-Dimethyldibenzothiophene is 21339-65-1.

What are the molecular formula and molecular weight of 1,4-Dimethyldibenzothiophene?

1,4-Dimethyldibenzothiophene has molecular formula C14H12S and molecular weight 212.310 g/mol.

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

Last updated:

How to cite: Jingsj. "1,4-Dimethyldibenzothiophene (CAS 21339-65-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1422440-7 (accessed 2026-10-24).

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