3,4,5,6-Tetrahydro-2-pyrimidinethiol
Also known as: 2(1H)-Pyrimidinethione, tetrahydro-, Propylenethiourea (PTU), N,N'-Trimethylenethiourea, Perhydropyrimidine-2-thione, Tetrahydro-2(1H)-pyrimidinethione, Tetrahydropyrimidine-2-thione, MFCD00060526
3,4,5,6-Tetrahydro-2-pyrimidinethiol (CAS 2055-46-1) is a compound in the Pharma Intermediates 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 melting point of 210-212 °C(lit.), a boiling point of 171.6ºC at 760 mmHg, a density of 1.2 g/cm3 and a flash point of 57.6ºC. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2055-46-1
- Jingsj CID
- J-24851-1
- Molecular Formula
- C4H8N2S
- Molecular Weight
- 116.18500 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 210-212 °C(lit.) |
|---|---|
| Boiling Point | 171.6ºC at 760 mmHg |
| Density | 1.2 g/cm3 |
| Flash Point | 57.6ºC |
| Exact Mass | 116.04100 |
| PSA | 56.15000 |
| LogP | 0.51180 |
| Vapor Pressure | 1.38mmHg at 25°C |
| Refractive Index | 1.596 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2933599090 |
|---|---|
| Summary | 2933599090. other compounds containing a pyrimidine ring (whether or not hydrogenated) or piperazine ring in the structure. 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 3,4,5,6-Tetrahydro-2-pyrimidinethiol?
The CAS number of 3,4,5,6-Tetrahydro-2-pyrimidinethiol is 2055-46-1.
What are the molecular formula and molecular weight of 3,4,5,6-Tetrahydro-2-pyrimidinethiol?
3,4,5,6-Tetrahydro-2-pyrimidinethiol has molecular formula C4H8N2S and molecular weight 116.18500 g/mol.
Is 3,4,5,6-Tetrahydro-2-pyrimidinethiol hazardous?
3,4,5,6-Tetrahydro-2-pyrimidinethiol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
What are the upstream and downstream products of 3,4,5,6-Tetrahydro-2-pyrimidinethiol?
For 3,4,5,6-Tetrahydro-2-pyrimidinethiol, Upstream Products: Carbon disulphide, 1,3-Diaminopropane, Propyleneurea; Downstream Products: 2-(Methylthio)-1,4,5,6-tetrahydropyrimidine hydroiodide, 1,3-Dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone, Propyleneurea.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "3,4,5,6-Tetrahydro-2-pyrimidinethiol (CAS 2055-46-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24851-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.