4-Chloro-5-fluoropyrimidine
4-氯-5-氟嘧啶
Also known as: 4-Chloro-5-fluoro-1,3-diazine, 4-Chloro-5-fluoro-pyrimidine, 5-Fluoro-4-chloropyrimidine, Pyrimidine, 4-chloro-5-fluoro-, Pyrimidine, 4-chloro-5-fluoro- (9CI)
4-Chloro-5-fluoropyrimidine (CAS 347418-42-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C4H2ClFN2 and a molecular weight of 132.523 g/mol. It is also known as 4-Chloro-5-fluoro-1,3-diazine, 4-Chloro-5-fluoro-pyrimidine and 5-Fluoro-4-chloropyrimidine. Key properties include a boiling point of 181.1±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 63.3±21.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 347418-42-2
- Jingsj CID
- J-1305137-0
- Molecular Formula
- C4H2ClFN2
- Chinese Name
- 4-氯-5-氟嘧啶
- Molecular Weight
- 132.523 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 181.1±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 63.3±21.8 °C |
| Exact Mass | 131.989059 |
| PSA | 25.78000 |
| LogP | 0.88 |
| Vapor Pressure | 1.2±0.3 mmHg at 25°C |
| Refractive Index | 1.506 |
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 4-Chloro-5-fluoropyrimidine?
The CAS number of 4-Chloro-5-fluoropyrimidine is 347418-42-2.
What are the molecular formula and molecular weight of 4-Chloro-5-fluoropyrimidine?
4-Chloro-5-fluoropyrimidine has molecular formula C4H2ClFN2 and molecular weight 132.523 g/mol.
What are the upstream and downstream products of 4-Chloro-5-fluoropyrimidine?
For 4-Chloro-5-fluoropyrimidine, Upstream Products: 4-Hydroxy-5-fluorpyrimidine; Downstream Products: 5-fluoropyrimidin-4-amine.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-5-fluoropyrimidine (CAS 347418-42-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1305137-0 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.