4,6-Dihydroxy-5-methoxypyrimidine
- CAS NO.：5193-84-0
- Empirical Formula: C5H6N2O3
- Molecular Weight: 142.11
- MDL number: MFCD07368271
- SAFETY DATA SHEET (SDS)
- Update Date: 2023-03-13 11:54:01
What is 4,6-Dihydroxy-5-methoxypyrimidine?
Chemical properties
Pale yellow solid. Melting point 341-345 ℃.
The Uses of 4,6-Dihydroxy-5-methoxypyrimidine
4,6-Dihydroxy-5-methoxypyrimidine can be uses as an intermediate of sulfa-o-dimethoxypyrimidine.
Synthesis
4,6-Dihydroxy-5-methoxypyrimidine is obtained by cyclization of methylethyl methoxymalonate with formamide and sodium methoxide to generate disodium 5-methoxy-4,6-dihydroxypyrimidine, and then acidified.
Properties of 4,6-Dihydroxy-5-methoxypyrimidine
| Melting point: | 341-345 °C |
| Density | 1.51±0.1 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| pka | 4.90±0.10(Predicted) |
| CAS DataBase Reference | 5193-84-0(CAS DataBase Reference) |
Safety information for 4,6-Dihydroxy-5-methoxypyrimidine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P280:Wear protective gloves/protective clothing/eye protection/face protection. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4,6-Dihydroxy-5-methoxypyrimidine
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