2-(Methylthio)thiophene

Also known as: 2-(Methylmercapto)thiophene, Methyl 2-thienyl sulfide, Methyl 2-thienyl sulphide, 2-(Methylsulfanyl)thiophene, 2-methylsulfanylthiophene, Thiophene, 2-(methylthio)-

2-(Methylthio)thiophene (CAS 5780-36-9) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6S2 and a molecular weight of 130.231 g/mol. Key properties include a boiling point of 191.5±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 69.6±19.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 5780-36-9
Jingsj CID: J-41250-0
Molecular Formula: C₅H₆S₂
Molecular Weight: 130.231 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	191.5±13.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	69.6±19.8 °C
Exact Mass	129.991089
PSA	53.54000
LogP	2.68
Vapor Pressure	0.7±0.4 mmHg at 25°C
Refractive Index	1.599

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-(Methylthio)thiophene?

The CAS number of 2-(Methylthio)thiophene is 5780-36-9.

What are the molecular formula and molecular weight of 2-(Methylthio)thiophene?

2-(Methylthio)thiophene has molecular formula C5H6S2 and molecular weight 130.231 g/mol.

What are the upstream and downstream products of 2-(Methylthio)thiophene?

For 2-(Methylthio)thiophene, Upstream Products: Dimethyl disulfide, Thiophene-2-thiol, iodomethane; Downstream Products: 2-(Methylsulfonyl)thiophene, Thioanisole, 5-(methylthio)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-(Methylthio)thiophene (CAS 5780-36-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41250-0 (accessed 2026-11-09).

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