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CAS No.: | 119022-51-4 |
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Name: | 1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3-ol |
Article Data: | 4 |
Molecular Structure: | |
Formula: | C5H5F3N2O |
Molecular Weight: | 166.103 |
Synonyms: | 3-Hydroxy-1-methyl-5-trifluoromethylpyrazole;5-(Trifluoromethyl)-3-hydroxy-1-methylpyrazole;1-Methyl-1,2-dihydro-5-(trifluoromethyl)-3H-pyrazol-3-one;1-Methyl-3-hydroxy-5-(trifluoromethyl)pyrazole;1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3-ol;1-Methyl-5-(trifluoromethyl)-3-hydroxypyrazole;1-Methyl-5-(trifluoromethyl)pyrazol-3-one;1-Methyl-5-trifluoromethylpyrazol-3-ol;3-Hydroxy-1-methyl-5-(trifluoromethyl)-1H-pyrazole; |
EINECS: | 622-911-8 |
Density: | 1.424 g/cm3 |
Melting Point: | 114-115 °C |
Boiling Point: | 224.4 °C at 760 mmHg |
Flash Point: | 89.5 °C |
Appearance: | White to yellow or pink crystalline powder |
Hazard Symbols: | Xi |
Risk Codes: | 36/37/38 |
Safety: | 24/25 |
PSA: | 38.05000 |
LogP: | 1.14450 |
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IUPAC Name: 2-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-one
Molecular Formula: C5H5F3N2O
Molecular Weight: 166.1 g/mol
Canonical SMILES: CN1C(=CC(=O)N1)C(F)(F)F
InChI: InChI=1S/C5H5F3N2O/c1-10-3(5(6,7)8)2-4(11)9-10/h2H,1H3,(H,9,11)
Product Categories: Pyrazoles & Triazoles; Building Blocks; Pyrazole
XLogP3-AA: 0.8
H-Bond Donor: 1
H-Bond Acceptor: 5
Index of Refraction: 1.427
Molar Refractivity: 29.97 cm3
Molar Volume: 116.6 cm3
Polarizability: 11.88×10-24 cm3
Surface Tension: 27.8 dyne/cm
Density: 1.423 g/cm3
Flash Point: 89.5 °C
Enthalpy of Vaporization: 47.96 kJ/mol
Boiling Point: 224.4 °C at 760 mmHg
Melting Point: 114-115 °C
Vapour Pressure of 1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3-ol (CAS NO.119022-51-4): 0.0612 mmHg at 25 °C
Hazard Codes:Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 24/25
S24/25: Avoid contact with skin and eyes.
Hazard Note: Irritant
HazardClass of 1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3-ol (CAS NO.119022-51-4): Irritant
1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3-ol (CAS NO.119022-51-4), its Synonyms are 3-Hydroxy-1-methyl-5-trifluoromethyl-1H-pyrazole, 99+% ; 3-Hydroxy-1-methyl-5-(trifluoromethyl)pyrazole 97% ; 5-Hydroxy-2-methyl-3-trifluoromethyl-1H-pyrazole ; 3-Hydroxy-1-methyl-5-trifluoromethyl-1H-pyrazole ; 3-Hydroxy-1-methyl-5-(trifluoromethyl)pyrazole ; 5-(Trifluoromethyl)-1-methyl-1H-pyrazol-3-ol . It is white to yellow or pink crystalline powder.