3,5-dimethylbenzo[b]thiophene

Also known as: 3,5-dimethyl-1-benzothiophene, 3,5-dimethylthianaphthene, 3,5-dimethylbenzothiophene, 3,5-dimethylbenzo(b)thiophene, 3,5-dimethylthianapthene

3,5-dimethylbenzo[b]thiophene (CAS 1964-45-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H10S and a molecular weight of 162.251 g/mol. Key properties include a boiling point of 261.1±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 81.0±4.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1964-45-0
Jingsj CID: J-3084-2
Molecular Formula: C₁₀H₁₀S
Molecular Weight: 162.251 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

Request MSDS / TDS

No offers for this compound yet.

Request a quote

Physicochemical Properties

Boiling Point	261.1±9.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	81.0±4.9 °C
Exact Mass	162.050323
PSA	28.24000
LogP	5.30
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.635

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 3,5-dimethylbenzo[b]thiophene?

The CAS number of 3,5-dimethylbenzo[b]thiophene is 1964-45-0.

What are the molecular formula and molecular weight of 3,5-dimethylbenzo[b]thiophene?

3,5-dimethylbenzo[b]thiophene has molecular formula C10H10S and molecular weight 162.251 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. "3,5-dimethylbenzo[b]thiophene (CAS 1964-45-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-3084-2 (accessed 2026-11-09).

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