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4-Methylimidazolidine-2-thione

Also known as: 2-Imidazolidinethione,4-methyl-, 4-Methyl-2-imidazolidinethione, 4-Methyl-2-thioxoimidazolidine, 4-Methyl-imidazolidin-2-thion, 4-methyl-2-imidazolidinethion, 4-methyl-2-imidazolidinethione, 4-methyl-imidazolidine-2-thione, 4-methylethylenethiourea, 4-methylimidazolidine-2-thione, 5-methyl-2-imidazolidinethione, N,N'-(1,2-Propylene)thiourea, N,2-Propylene)-thiourea, Propylene thiourea, PLTU, propilentiourea, propylenthioharnstoff

4-Methylimidazolidine-2-thione (CAS 2122-19-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H8N2S and a molecular weight of 116.18500 g/mol. Key properties include a boiling point of 157.3ºC at 760mmHg, a density of 1.19g/cm3 and a flash point of 49ºC. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H361 — Suspected of damaging fertility or the unborn child and H412 — Harmful to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2122-19-2
Jingsj CID
J-48300-5
Molecular Formula
C4H8N2S
Molecular Weight
116.18500 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point157.3ºC at 760mmHg
Density1.19g/cm3
Flash Point49ºC
Exact Mass116.04100
PSA56.15000
LogP0.51020
Vapor Pressure2.77mmHg at 25°C
Refractive Index1.591

GHS Safety & Compliance

Irritant / Health HazardSignal word: Warning
  • H302 — Harmful if swallowed
  • H361 — Suspected of damaging fertility or the unborn child
  • H412 — Harmful to aquatic life with long lasting effects

Customs & Trade Information

HS Code2933990090
Summary2933990090. 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 4-Methylimidazolidine-2-thione?

The CAS number of 4-Methylimidazolidine-2-thione is 2122-19-2.

What are the molecular formula and molecular weight of 4-Methylimidazolidine-2-thione?

4-Methylimidazolidine-2-thione has molecular formula C4H8N2S and molecular weight 116.18500 g/mol.

Is 4-Methylimidazolidine-2-thione hazardous?

4-Methylimidazolidine-2-thione has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H361 — Suspected of damaging fertility or the unborn child; H412 — Harmful to aquatic life with long lasting effects.

What are the upstream and downstream products of 4-Methylimidazolidine-2-thione?

For 4-Methylimidazolidine-2-thione, Upstream Products: 5-Methyl-2-thioxoimidazolidin-4-one, Carbon disulphide, 1,2-Diaminopropane; Downstream Products: 4-Methyl-2-(methylthio)-4,5-dihydro-1H-imidazole hydroiodide.

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

Last updated:

How to cite: Jingsj. "4-Methylimidazolidine-2-thione (CAS 2122-19-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-48300-5 (accessed 2026-11-06).

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