-
Name
4-Bromo-1,3,5-trimethyl-1H-pyrazole
- EINECS -0
- CAS No. 15801-69-1
- Article Data7
- CAS DataBase
- Density 1.5 g/cm3
- Solubility
- Melting Point 30-34 °C(lit.)
- Formula C6H9BrN2
- Boiling Point 224 °C at 760 mmHg
- Molecular Weight 189.055
- Flash Point 89.3 °C
- Transport Information UN 2811 6.1/PG 3
- Appearance White crystalline solid
- Safety 22-24/25-36/37/39-26
- Risk Codes 22-36/37/38
-
Molecular Structure
-
Hazard Symbols
Xn, 
Xi
- Synonyms 4-Bromo-1,3,5-trimethylpyrazole;1,3,5-Trimethyl-4-bromopyrazole;Pyrazole,4-bromo-1,3,5-trimethyl- (6CI,7CI,8CI);
- PSA 17.82000
- LogP 1.79940
4-Bromo-1,3,5-trimethyl-1H-pyrazole Chemical Properties
The Molecular Structure of 4-Bromo-1,3,5-trimethyl-1H-pyrazole (CAS NO.15801-69-1):
Empirical Formula: C6H9BrN2
Molecular Weight: 189.0531
IUPAC Name: 4-bromo-1,3,5-trimethylpyrazole
Appearance: White Crystalline Solid
Product Categories: Halides;Pyrazoles & Triazoles;Nucleotides and Nucleosides;Bases & Related Reagents;Nucleotides;Pyrazoles & Triazoles;Building Blocks;Halogenated Heterocycles;Heterocyclic Building Blocks;Pyrazoles;PyrazolesHeterocyclic Building Blocks
Nominal Mass: 188 Da
Average Mass: 189.0531 Da
Monoisotopic Mass: 187.994903 Da
Index of Refraction: 1.576
Molar Refractivity: 41.65 cm3
Molar Volume: 125.8 cm3
Surface Tension: 35 dyne/cm
Density: 1.5 g/cm3
Flash Point: 89.3 °C
Enthalpy of Vaporization: 44.18 kJ/mol
Boiling Point: 224 °C at 760 mmHg
Vapour Pressure: 0.139 mmHg at 25°C
4-Bromo-1,3,5-trimethyl-1H-pyrazole Safety Profile
Hazard Codes: .gif){kind=small}
XnXi
Risk Statements: 22-36/37/38
R22:Harmful if swallowed
R36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements: 22-24/25-36/37/39-26
S22:Do not breathe dust
S24/25:Avoid contact with skin and eyes
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
RIDADR: UN 2811 6.1/PG 3
WGK Germany: 3
Hazard Note: Irritant
HazardClass: Irritant
4-Bromo-1,3,5-trimethyl-1H-pyrazole Specification
4-Bromo-1,3,5-trimethyl-1H-pyrazole (CAS NO.15801-69-1) is also called as 4-Bromo-1,3,5-trimethylpyrazole, puriss, 98% ; 4-Bromo-1,3,5-trimethyl-1h-pyrazole ,98% ; 1,3,5-Trimethyl-4-bromo-1h-pyrazole .
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