1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol

Modify Date: 2024-01-02 11:22:45

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol Structure
1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol structure
Common Name 1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol
CAS Number 122431-37-2 Molecular Weight 166.101
Density 1.5±0.1 g/cm3 Boiling Point 224.4±35.0 °C at 760 mmHg
Molecular Formula C5H5F3N2O Melting Point 177-179ºC
MSDS USA Flash Point 89.5±25.9 °C
Symbol GHS06
GHS06
Signal Word Danger

 Names

Name 1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 224.4±35.0 °C at 760 mmHg
Melting Point 177-179ºC
Molecular Formula C5H5F3N2O
Molecular Weight 166.101
Flash Point 89.5±25.9 °C
Exact Mass 166.035400
PSA 38.05000
LogP 1.97
Vapour Pressure 0.1±0.5 mmHg at 25°C
Index of Refraction 1.471
Storage condition 2-8℃

 Safety Information

Symbol GHS06
GHS06
Signal Word Danger
Hazard Statements H301-H315-H319-H335
Precautionary Statements P261-P301 + P310-P305 + P351 + P338
Personal Protective Equipment Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes Xi: Irritant;
Risk Phrases R36/37/38
Safety Phrases 24/25
RIDADR UN 2811 6.1 / PGIII
HS Code 2933199090

 Synthetic Route

~89%

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol Structure

1-Methyl-3-(tri...

CAS#:122431-37-2

Literature: Hoffmann-La Roche Inc.; Alam, Muzaffar; Du Bois, Daisy Joe; Hawley, Ronald Charles; Bhagirath, Niala; Kennedy-Smith, Joshua; Wilhelm, Robert Stephen Patent: US2013/158049 A1, 2013 ; Location in patent: Paragraph 0143 ;

~97%

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol Structure

1-Methyl-3-(tri...

CAS#:122431-37-2

Literature: KALYPSYS, INC. Patent: WO2007/84868 A2, 2007 ; Location in patent: Page/Page column 26 ; WO 2007/084868 A2

~47%

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol Structure

1-Methyl-3-(tri...

CAS#:122431-37-2

Literature: Journal of Heterocyclic Chemistry, , vol. 27, # 2 p. 243 - 245

~74%

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol Structure

1-Methyl-3-(tri...

CAS#:122431-37-2

Literature: Martins, Marcos A.P.; Pereira, Claudio M.P.; Zimmermann, Nilo E.K.; Cunico, Wilson; Moura, Sidnei; Beck, Paulo; Zanatta, Nilo; Bonacorso, Helio G. Journal of Fluorine Chemistry, 2003 , vol. 123, # 2 p. 261 - 265

~5%

1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol Structure

1-Methyl-3-(tri...

CAS#:122431-37-2

Literature: Journal of Fluorine Chemistry, , vol. 48, # 1 p. 123 - 131

 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%

 Synonyms

1H-Pyrazol-5-ol, 1-methyl-3-(trifluoromethyl)-
2-methyl-5-(trifluoromethyl)-1H-pyrazol-3-one
MFCD00139833
1-Methyl-3-(trifluoromethyl)-1H-pyrazol-5-ol
5-Hydroxy-1-methyl-3-trifluoromethyl-1H-pyrazole