6-chloro-4-hydroxy-5-methylpyrimidine

Modify Date: 2025-08-20 19:51:24

6-chloro-4-hydroxy-5-methylpyrimidine Structure
6-chloro-4-hydroxy-5-methylpyrimidine structure
Common Name 6-chloro-4-hydroxy-5-methylpyrimidine
CAS Number 18261-42-2 Molecular Weight 144.559
Density 1.5±0.1 g/cm3 Boiling Point 206.4±50.0 °C at 760 mmHg
Molecular Formula C5H5ClN2O Melting Point N/A
MSDS Chinese USA Flash Point 78.6±30.1 °C
Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger

 Names

Name 6-chloro-5-methyl-1H-pyrimidin-4-one
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 206.4±50.0 °C at 760 mmHg
Molecular Formula C5H5ClN2O
Molecular Weight 144.559
Flash Point 78.6±30.1 °C
Exact Mass 144.009033
PSA 46.01000
LogP -0.60
Vapour Pressure 0.2±0.4 mmHg at 25°C
Index of Refraction 1.609

 Safety Information

Symbol GHS05 GHS07
GHS05, GHS07
Signal Word Danger
Hazard Statements H302-H315-H318
Precautionary Statements P280-P305 + P351 + P338
Hazard Codes C
RIDADR NONH for all modes of transport
HS Code 2933599090

 Customs

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%

 Synonyms

6-chloro-5-methyl-3H-pyrimidin-4-one
4(1H)-Pyrimidinone, 6-chloro-5-methyl-
4-Chlor-6-hydroxy-5-methylpyrimidin
6-CHLORO-5-METHYLPYRIMIDIN-4-OL
6-Chloro-4-hydroxy-5-methylpyrimidine
6-Chlor-4-hydroxy-5-methyl-pyrimidin
6-Chloro-5-methyl-4(1H)-pyrimidinone
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