Pyrimidine
Also known as: 1,3-DIAZINE, 1,3-Diazin, 2,4-Dideoxyuracil, 2-Methylthiopyrimidine ,97%, AKOS BBS-00006251, EINECS 206-026-0, MFCD00006059, Metadiazine, Miazine, PyriMidine free base, PyriMidine, 99% 5GR, Pyrimidin, Pyrimidine ,98%, Pyrimidine,99%, iazine, m-Diazine, pyriMidine radical cation, pyrimidine
Pyrimidine (CAS 289-95-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H4N2 and a molecular weight of 80.088 g/mol. Key properties include a melting point of 19-22 °C(lit.), a boiling point of 122.4±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 31.1±0.0 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 289-95-2
- Jingsj CID
- J-35858-9
- Molecular Formula
- C4H4N2
- Molecular Weight
- 80.088 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 19-22 °C(lit.) |
|---|---|
| Boiling Point | 122.4±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 31.1±0.0 °C |
| Exact Mass | 80.037445 |
| PSA | 25.78000 |
| LogP | -0.33 |
| Vapor Pressure | 16.8±0.2 mmHg at 25°C |
| Refractive Index | 1.503 |
| Storage Conditions | Flammables area |
| Stability | Stable, but air-sensitive and hygroscopic. Incompatible with acids, acid chlorides, acid anhydrides, strong oxidizing agents, carbon dioxide. Flammable. |
| Additional Property | soluble |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
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 Pyrimidine?
The CAS number of Pyrimidine is 289-95-2.
What are the molecular formula and molecular weight of Pyrimidine?
Pyrimidine has molecular formula C4H4N2 and molecular weight 80.088 g/mol.
Is Pyrimidine hazardous?
Pyrimidine has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour.
What are the upstream and downstream products of Pyrimidine?
For Pyrimidine, Upstream Products: 5-Bromopyrimidine, 4-Chloropyrimidine, 2-Mercaptopyrimidine; Downstream Products: Pyrimidin-4-yl-methanol, 5-Phenylpyrimidine, 4-Phenylpyrimidine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Pyrimidine (CAS 289-95-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35858-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.