4-Bromo-3-methylpyrazole

Names

[ Name ]:
4-Bromo-3-methylpyrazole

[Synonym ]:
MFCD00005241
4-Bromo-3-methylpyrazole
4-bromo-5-methyl-1H-pyrazole
1H-Pyrazole, 4-bromo-3-methyl-
EINECS 237-456-7
4-Bromo-3-methyl-1H-pyrazole

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Boiling Point ]:
259.9±20.0 °C at 760 mmHg

[ Melting Point ]:
77-79°C

[ Molecular Formula ]:
C₄H₅BrN₂

[ Molecular Weight ]:
161.000

[ Flash Point ]:
111.0±21.8 °C

[ Exact Mass ]:
159.963608

[ PSA ]:
28.68000

[ LogP ]:
1.90

[ Vapour Pressure ]:
0.0±0.5 mmHg at 25°C

[ Index of Refraction ]:
1.584

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H315-H319-H335

[ Precautionary Statements ]:
P261-P305 + P351 + P338

[ Personal Protective Equipment ]:
dust mask type N95 (US);Eyeshields;Gloves

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S37/39-S26

[ RIDADR ]:
NONH for all modes of transport

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%