1-Methylpyrrolidine-2-thione

Also known as: N-Methylthiopyrrolidone, 1-Methyl-2-pyrrolidinethione, 2-Pyrrolidinethione, 1-methyl-

1-Methylpyrrolidine-2-thione (CAS 10441-57-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9NS and a molecular weight of 115.19700 g/mol. Key properties include a melting point of 16ºC, a boiling point of 145ºC / 15mmHg, a density of 1.09 and a flash point of 45.5ºC. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.

CAS No.: 10441-57-3
Jingsj CID: J-22347-2
Molecular Formula: C₅H₉NS
Molecular Weight: 115.19700 g/mol
Category: Ketones
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	16ºC
Boiling Point	145ºC / 15mmHg
Density	1.09
Flash Point	45.5ºC
Exact Mass	115.04600
PSA	35.33000
LogP	0.97730
Vapor Pressure	3.63mmHg at 25°C
Refractive Index	1.568

Customs & Trade Information

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. 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-Methylpyrrolidine-2-thione?

The CAS number of 1-Methylpyrrolidine-2-thione is 10441-57-3.

What are the molecular formula and molecular weight of 1-Methylpyrrolidine-2-thione?

1-Methylpyrrolidine-2-thione has molecular formula C5H9NS and molecular weight 115.19700 g/mol.

What are the upstream and downstream products of 1-Methylpyrrolidine-2-thione?

For 1-Methylpyrrolidine-2-thione, Upstream Products: 1-Methyl-2-pyrrolidinone, morpholine, Rhodanine; Downstream Products: 1-Methyl-2-pyrrolidinone.

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

Last updated: 11/3/2026

How to cite: Jingsj. "1-Methylpyrrolidine-2-thione (CAS 10441-57-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22347-2 (accessed 2026-11-09).

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