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1,3-Dimethyldibenzothiophene

Also known as: 1,3-Dimethyldibenzo[b]thiophene, Dibenzothiophene, 1,3-dimethyl-, 1,3-dimethyldibenzothiophene, Dibenzo[b,d]thiophene, 1,3-dimethyl-, 1,3-DIMETHYLDIBENZOTHIOPHENE

1,3-Dimethyldibenzothiophene (CAS 31317-15-4) 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. Key properties include a boiling point of 364.2±11.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 129.8±5.5 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31317-15-4
Jingsj CID
J-1424245-6
Molecular Formula
C14H12S
Molecular Weight
212.310 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point364.2±11.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point129.8±5.5 °C
Exact Mass212.065964
PSA28.24000
LogP5.30
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.707

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 1,3-Dimethyldibenzothiophene?

The CAS number of 1,3-Dimethyldibenzothiophene is 31317-15-4.

What are the molecular formula and molecular weight of 1,3-Dimethyldibenzothiophene?

1,3-Dimethyldibenzothiophene has molecular formula C14H12S and molecular weight 212.310 g/mol.

What are the upstream and downstream products of 1,3-Dimethyldibenzothiophene?

For 1,3-Dimethyldibenzothiophene, Upstream Products: 3,5-Dimethylbenzenethiol, 3,5-Dimethylaniline.

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

Last updated:

How to cite: Jingsj. "1,3-Dimethyldibenzothiophene (CAS 31317-15-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1424245-6 (accessed 2026-11-09).

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