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3-(Trifluoromethyl)pyrazole

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Name

3-(Trifluoromethyl)pyrazole

EINECS 628-556-5
CAS No. 20154-03-4 Density 1.44 g/cm3
PSA 28.68000 LogP 1.42850
Solubility N/A Melting Point 45-47 °C(lit.)
Formula C4H3F3N2 Boiling Point 177.7 °C at 760 mmHg
Molecular Weight 136.076 Flash Point 61.3 °C
Transport Information N/A Appearance Colorless to light yellow liquid
Safety 26-36/37/39 Risk Codes 36/37/38
Molecular Structure Molecular Structure of 20154-03-4 (3-(Trifluoromethyl)pyrazole) Hazard Symbols IrritantXi
Synonyms

Pyrazole,3-(trifluoromethyl)- (8CI);3-(Trifluoromethyl)-1H-pyrazole;

Article Data 1

3-(Trifluoromethyl)pyrazole Chemical Properties

IUPAC Name: 5-(Trifluoromethyl)-1H-pyrazole
Synonyms of 3-(Trifluoromethyl)pyrazole (CAS NO.20154-03-4): 3-(Trifluoromethyl)-1H-pyrazole
CAS NO: 20154-03-4
Molecular Formula: C4H3F3N2
Molecular Weight: 136.08
Molecular Structure:
EINECS: 20154-03-4
 

H bond acceptors: 2
H bond donors: 1
Freely Rotating Bonds: 0
Polar Surface Area: 17.82 Å2
Index of Refraction: 1.416
Molar Refractivity: 23.75 cm3
Molar Volume: 94.4 cm3
Surface Tension: 28.4 dyne/cm
Density: 1.44 g/cm3
Flash Point: 61.3 °C
Enthalpy of Vaporization: 39.7 kJ/mol
Boiling Point: 177.7 °C at 760 mmHg
Vapour Pressure: 1.39 mmHg at 25°C 
Melting Point: 45-47 °C(lit.)
Appearance: Colorless to light yellow liquid
Product Categories of 3-(Trifluoromethyl)pyrazole (CAS NO.20154-03-4): Pyrazole series;Building Blocks;Heterocyclic Building Blocks;Pyrazoles

3-(Trifluoromethyl)pyrazole Safety Profile

Safety Information about 3-(Trifluoromethyl)pyrazole (CAS NO.20154-03-4):
Hazard Codes: IrritantXi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37/39: Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany: 3
Hazard Note: Irritant
HazardClass: IRRITANT

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