4-Methylpyrimidin-2-ol hydrochloride
Also known as: 2-Hydroxy-4-methylpyrimidine hydrochloride, 4-Methyl-2-pyrimidinol hydrochloride, 6-methyl-1H-pyrimidin-2-one hydrochloride, 4-Methyl-2(1H)-pyrimidinone hydrochloride, 2-Pyrimidinol, 4-methyl-, hydrochloride (1:1)
4-Methylpyrimidin-2-ol hydrochloride (CAS 5348-51-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H7ClN2O and a molecular weight of 146.575 g/mol. Key properties include a melting point of 243 °C (dec.)(lit.), a boiling point of 326.4ºC at 760 mmHg, a density of 1.22g/cm3 and a flash point of 151.2ºC. 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.
- 5348-51-6
- Jingsj CID
- J-19946-2
- Molecular Formula
- C5H7ClN2O
- Molecular Weight
- 146.575 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 243 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 326.4ºC at 760 mmHg |
| Density | 1.22g/cm3 |
| Flash Point | 151.2ºC |
| Exact Mass | 146.024689 |
| PSA | 46.01000 |
| LogP | 1.29260 |
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 4-Methylpyrimidin-2-ol hydrochloride?
The CAS number of 4-Methylpyrimidin-2-ol hydrochloride is 5348-51-6.
What are the molecular formula and molecular weight of 4-Methylpyrimidin-2-ol hydrochloride?
4-Methylpyrimidin-2-ol hydrochloride has molecular formula C5H7ClN2O and molecular weight 146.575 g/mol.
Is 4-Methylpyrimidin-2-ol hydrochloride hazardous?
4-Methylpyrimidin-2-ol hydrochloride 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 4-Methylpyrimidin-2-ol hydrochloride?
For 4-Methylpyrimidin-2-ol hydrochloride, Upstream Products: 4,4-Dimethoxy-2-butanone, Urea; Downstream Products: 2-Methoxy-4-methylpyrimidine, 2-Chloro-4-methylpyrimidine, 4-(Isoxazol-4-yl)pyrimidin-2(1H)-one.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Methylpyrimidin-2-ol hydrochloride (CAS 5348-51-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-19946-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.