4,6-Dihydroxy-5-methylpyrimidine
5-甲基-4,6-二羟基嘧啶
Also known as: 4,6-dihydroxy-5-methylpyrimidine, 5-methylpyrimidine-4,6-diol, 5-methyl-4,6(1H,5H)-pyrimidinedione, 6-hydroxy-5-methyl-4(1H)-pyrimidinone, 5-methyl-4,6-dihydroxypyrimidine, 4,6-dihydroxy-5-methyl-1,3-diazine, 5-methyl-4,6-pyrimidinediol, MFCD04037280
4,6-Dihydroxy-5-methylpyrimidine (CAS 63447-38-1) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H6N2O2 and a molecular weight of 126.11300 g/mol. It is also known as 4,6-dihydroxy-5-methylpyrimidine, 5-methylpyrimidine-4,6-diol and 5-methyl-4,6(1H,5H)-pyrimidinedione. Key properties include a melting point of >300ºC;<320ºC(Decomp.), a boiling point of 327.4ºC at 760 mmHg, a density of 1.44 g/cm3 and a flash point of 151.8ºC. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 63447-38-1
- Jingsj CID
- J-18011-1
- Molecular Formula
- C5H6N2O2
- Chinese Name
- 5-甲基-4,6-二羟基嘧啶
- Molecular Weight
- 126.11300 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | >300ºC;<320ºC(Decomp.) |
|---|---|
| Boiling Point | 327.4ºC at 760 mmHg |
| Density | 1.44 g/cm3 |
| Flash Point | 151.8ºC |
| Exact Mass | 126.04300 |
| PSA | 66.24000 |
| LogP | 0.19620 |
GHS Safety & Compliance
- H318 — Causes serious eye damage
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 4,6-Dihydroxy-5-methylpyrimidine?
The CAS number of 4,6-Dihydroxy-5-methylpyrimidine is 63447-38-1.
What are the molecular formula and molecular weight of 4,6-Dihydroxy-5-methylpyrimidine?
4,6-Dihydroxy-5-methylpyrimidine has molecular formula C5H6N2O2 and molecular weight 126.11300 g/mol.
Is 4,6-Dihydroxy-5-methylpyrimidine hazardous?
4,6-Dihydroxy-5-methylpyrimidine has GHS signal word Danger and hazard statements H318 — Causes serious eye damage.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,6-Dihydroxy-5-methylpyrimidine (CAS 63447-38-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18011-1 (accessed 2026-10-28).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.