2,4-Dichloro-5-methylpyrimidine

Modify Date: 2025-08-22 16:39:30

2,4-Dichloro-5-methylpyrimidine Structure
2,4-Dichloro-5-methylpyrimidine structure
Common Name 2,4-Dichloro-5-methylpyrimidine
CAS Number 1780-31-0 Molecular Weight 163.005
Density 1.4±0.1 g/cm3 Boiling Point 234.9±20.0 °C at 760 mmHg
Molecular Formula C5H4Cl2N2 Melting Point 26-28 °C(lit.)
MSDS Chinese USA Flash Point 118.5±7.4 °C
Symbol GHS05
GHS05
Signal Word Danger

 Names

Name 2,4-Dichloro-5-methylpyrimidine
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.4±0.1 g/cm3
Boiling Point 234.9±20.0 °C at 760 mmHg
Melting Point 26-28 °C(lit.)
Molecular Formula C5H4Cl2N2
Molecular Weight 163.005
Flash Point 118.5±7.4 °C
Exact Mass 161.975159
PSA 25.78000
LogP 1.62
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.551
Storage condition −20°C

 Safety Information

Symbol GHS05
GHS05
Signal Word Danger
Hazard Statements H314
Precautionary Statements P280-P305 + P351 + P338-P310
Personal Protective Equipment Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes C:Corrosive
Risk Phrases R34
Safety Phrases S26-S36/37/39-S45
RIDADR UN 3261 8/PG 2
WGK Germany 3
Packaging Group III
Hazard Class 8
HS Code 2933599090

 Synthetic Route

~92%

2,4-Dichloro-5-methylpyrimidine Structure

2,4-Dichloro-5-...

CAS#:1780-31-0

Literature: Journal of Fluorine Chemistry, , vol. 77, # 1 p. 93 - 95

 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

5-METHYL-2,4-DICHLOROPYRIMIDINE
2,4-dichlor-5-methylpyrimidin
EINECS 217-227-8
2,4-Dichloro-5-methylpyrimidine
Pyrimidine, 2,4-dichloro-5-methyl-
Pyrimidine,2,4-dichloro-5-methyl
2,4-dichloro-5-methyl pyrimidine
MFCD00023197
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