Pyrrolidine-2-thione

Also known as: 2-pyrrolidinethione, 2-thiopyrrolidone, thiobutyrolactam, thiopyrrolidone, tetrahydro-2-pyrrolethione, cis-2-pyrrolidinethione, cis-tetrahydro-2-pyrrolethione, gamma-butyrothiolactam, pyrrolidin-2-thione, 2-azacyclopentanthione

Pyrrolidine-2-thione (CAS 2295-35-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H7NS and a molecular weight of 101.17000 g/mol. Key properties include a melting point of 110-112ºC, a boiling point of 144.7ºC at 760mmHg, a density of 1.14g/cm3 and a flash point of 41.3ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 2295-35-4
Jingsj CID: J-20568-5
Molecular Formula: C₄H₇NS
Molecular Weight: 101.17000 g/mol
Category: Ketones
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	110-112ºC
Boiling Point	144.7ºC at 760mmHg
Density	1.14g/cm3
Flash Point	41.3ºC
Exact Mass	101.03000
PSA	44.12000
LogP	1.02600
Vapor Pressure	5.03mmHg at 25°C
Refractive Index	1.574

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 Pyrrolidine-2-thione?

The CAS number of Pyrrolidine-2-thione is 2295-35-4.

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

Pyrrolidine-2-thione has molecular formula C4H7NS and molecular weight 101.17000 g/mol.

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

For Pyrrolidine-2-thione, Downstream Products: 2-Pyrrolidinone, 5-Phenyl-3,4-dihydro-2H-pyrrole, 2,2-dimethyl-5-(pyrrolidin-2-ylidene)-1,3-dioxane-4,6-dione.

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. "Pyrrolidine-2-thione (CAS 2295-35-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20568-5 (accessed 2026-11-09).

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