2-Methylbenzo[b]thiophene

Also known as: 2-Methylbenzothiophene, 2-Methylthianaphthalene, 2-Methyl-1-benzothiophene, 2-Methylthioindene, Benzo[b]thiophene, 2-methyl-

2-Methylbenzo[b]thiophene (CAS 1195-14-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H8S and a molecular weight of 148.225 g/mol. Key properties include a melting point of 48-53 °C, a boiling point of 243.0±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 72.4±4.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 1195-14-8
Jingsj CID: J-35752-8
Molecular Formula: C₉H₈S
Molecular Weight: 148.225 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	48-53 °C
Boiling Point	243.0±9.0 °C at 760 mmHg
Density	1.1±0.1 g/cm3
Flash Point	72.4±4.9 °C
Exact Mass	148.034668
PSA	28.24000
LogP	4.84
Vapor Pressure	0.1±0.5 mmHg at 25°C
Refractive Index	1.652

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 2-Methylbenzo[b]thiophene?

The CAS number of 2-Methylbenzo[b]thiophene is 1195-14-8.

What are the molecular formula and molecular weight of 2-Methylbenzo[b]thiophene?

2-Methylbenzo[b]thiophene has molecular formula C9H8S and molecular weight 148.225 g/mol.

What are the upstream and downstream products of 2-Methylbenzo[b]thiophene?

For 2-Methylbenzo[b]thiophene, Upstream Products: 1-Benzothiophene, iodomethane, Benzothiophene-2-carbonitrile; Downstream Products: Benzo[b]thiophene-2-carboxaldehyde, 2-methylbenzo[b]thiophene-3-carbaldehyde, Benzo[b]thiophene-2-carboxylic acid.

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-Methylbenzo[b]thiophene (CAS 1195-14-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35752-8 (accessed 2026-11-09).

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