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Cas Database |
| Name |
4-Bromo-1-methylpyrazole |
EINECS | 605-126-5 |
| CAS No. | 15803-02-8 | Density | 1.69 g/cm3 |
| PSA | 17.82000 | LogP | 1.18260 |
| Solubility | N/A | Melting Point |
185-188 °C |
| Formula | C4H5BrN2 | Boiling Point | 197.1 °C at 760 mmHg |
| Molecular Weight | 161.001 | Flash Point | 73 °C |
| Transport Information | N/A | Appearance | N/A |
| Safety | 26-39 | Risk Codes | 37/38-41 |
| Molecular Structure |
|
Hazard Symbols |
 Xi
|
| Synonyms |
Pyrazole,4-bromo-1-methyl- (8CI);1-Methyl-4-bromopyrazole;4-Bromo-1-methyl-1H-pyrazole; |
Article Data | 20 |
4-Bromo-1-methylpyrazole Chemical Properties
IUPAC Name: 4-Bromo-1-methylpyrazole
Systematic of 1H-Pyrazole,4-bromo-1-methyl- (CAS NO.15803-02-8): 4-Bromo-1-methyl-1h-pyrazole ; 4-Bromo-1-methylpyrazole ; 1-Mehtyl-4-Bromo-1H-Pyrazole ; 1-Methyl-4-bromo-1H-pyrazole
CAS NO: 15803-02-8
Molecular Formula of 1H-Pyrazole,4-bromo-1-methyl- (CAS NO.15803-02-8): C4H5BrN2
Molecular Weight: 160.9999
Molecular Structure:
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H bond acceptors: 2
Polar Surface Area: 17.82 Å2
Index of Refraction: 1.606
Molar Refractivity: 32.8 cm3
Molar Volume: 95.1 cm3
Surface Tension: 43.2 dyne/cm
Density of 1H-Pyrazole,4-bromo-1-methyl- (CAS NO.15803-02-8): 1.69 g/cm3
Flash Point: 73 °C
Enthalpy of Vaporization: 41.55 kJ/mol
Boiling Point: 197.1 °C at 760 mmHg
Vapour Pressure: 0.543 mmHg at 25°C
4-Bromo-1-methylpyrazole Safety Profile
Hazard Codes: 
Xi
Risk Statements: 37/38-41
R37/38: Irritating to respiratory system and skin.
R41: Risk of serious damage to the eyes.
Safety Statements: 26-39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S39: Wear eye / face protection.
HazardClass: IRRITANT
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