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.