1,4,5,6-Tetrahydropyrimidine
Also known as: NSC 72087, Pyrimidine, 1,4,5,6-tetrahydro-
1,4,5,6-Tetrahydropyrimidine (CAS 1606-49-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H8N2 and a molecular weight of 84.11970 g/mol. Key properties include a boiling point of 268.1ºC at 760 mmHg ，88-89ºC1 mm Hg(lit.), a density of 1.08 g/cm3 and a flash point of 115.9ºC. 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.
- 1606-49-1
- Jingsj CID
- J-10703-9
- Molecular Formula
- C4H8N2
- Molecular Weight
- 84.11970 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 268.1ºC at 760 mmHg ，88-89ºC1 mm Hg(lit.) |
|---|---|
| Density | 1.08 g/cm3 |
| Flash Point | 115.9ºC |
| Exact Mass | 84.06870 |
| PSA | 24.39000 |
| Vapor Pressure | 0.00785mmHg at 25°C |
| Refractive Index | n20/D 1.5194(lit.) |
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 1,4,5,6-Tetrahydropyrimidine?
The CAS number of 1,4,5,6-Tetrahydropyrimidine is 1606-49-1.
What are the molecular formula and molecular weight of 1,4,5,6-Tetrahydropyrimidine?
1,4,5,6-Tetrahydropyrimidine has molecular formula C4H8N2 and molecular weight 84.11970 g/mol.
Is 1,4,5,6-Tetrahydropyrimidine hazardous?
1,4,5,6-Tetrahydropyrimidine 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 1,4,5,6-Tetrahydropyrimidine?
For 1,4,5,6-Tetrahydropyrimidine, Upstream Products: N,N-Dimethylformamide dimethyl acetal, 1,3-Diaminopropane, Ethyl formate; Downstream Products: N,N'-Dimethyl-1,3-propanediamine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,4,5,6-Tetrahydropyrimidine (CAS 1606-49-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10703-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.