2,4-Dichloro-5-methoxypyrimidine
Also known as: 5-Methoxy-2,4-dichloropyrimidine, 2,4-Dichloro-5-methoxypyrimidine, 2,4-Dichloro-5-methoxy-1,3-diazine, 2,4-Dichloropyrimidin-5-yl methyl ether, MFCD02685670, Pyrimidine, 2,4-dichloro-5-methoxy-
2,4-Dichloro-5-methoxypyrimidine (CAS 19646-07-2) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4Cl2N2O and a molecular weight of 179.004 g/mol. Key properties include a melting point of 68 °C, a boiling point of 259.9±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 111.0±21.8 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 19646-07-2
- Jingsj CID
- J-39269-8
- Molecular Formula
- C5H4Cl2N2O
- Molecular Weight
- 179.004 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 68 °C |
|---|---|
| Boiling Point | 259.9±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 111.0±21.8 °C |
| Exact Mass | 177.970062 |
| PSA | 35.01000 |
| LogP | 1.56 |
| Vapor Pressure | 0.0±0.5 mmHg at 25°C |
| Refractive Index | 1.541 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- 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 2,4-Dichloro-5-methoxypyrimidine?
The CAS number of 2,4-Dichloro-5-methoxypyrimidine is 19646-07-2.
What are the molecular formula and molecular weight of 2,4-Dichloro-5-methoxypyrimidine?
2,4-Dichloro-5-methoxypyrimidine has molecular formula C5H4Cl2N2O and molecular weight 179.004 g/mol.
Is 2,4-Dichloro-5-methoxypyrimidine hazardous?
2,4-Dichloro-5-methoxypyrimidine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 2,4-Dichloro-5-methoxypyrimidine?
For 2,4-Dichloro-5-methoxypyrimidine, Upstream Products: 5-Methoxy-2,4-pyrimidinediol; Downstream Products: 2-Chloro-5-methoxypyrimidin-4-amine, 2-Chloro-5-methoxypyrimidine, Methyl 2,6-dichloro-5-methoxypyrimidine-4-carboxylate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4-Dichloro-5-methoxypyrimidine (CAS 19646-07-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-39269-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.