CAS 119022-51-4|1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3(2H)-one

Introduction：Basic information about CAS 119022-51-4|1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3(2H)-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Synonyms

Common Name	1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3(2H)-one
CAS Number	119022-51-4	Molecular Weight	166.101
Density	1.4±0.1 g/cm3	Boiling Point	224.4ºC at 760 mmHg
Molecular Formula	C₅H₅F₃N₂O	Melting Point	114-115 °C
MSDS	ChineseUSA	Flash Point	89.5ºC
Symbol	GHS06	Signal Word	Danger

Names

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

Chemical & Physical Properties

Density	1.4±0.1 g/cm3
Boiling Point	224.4ºC at 760 mmHg
Melting Point	114-115 °C
Molecular Formula	C₅H₅F₃N₂O
Molecular Weight	166.101
Flash Point	89.5ºC
Exact Mass	166.035400
PSA	38.05000
LogP	1.15
Vapour Pressure	0.0612mmHg at 25°C
Index of Refraction	1.427
InChIKey	QEHXHKNBIGEWIH-UHFFFAOYSA-N
SMILES	Cn1[nH]c(=O)cc1C(F)(F)F

Safety Information

Symbol	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	S24/25
RIDADR	2811.0
Hazard Class	6.1
HS Code	2933199090

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

3H-Pyrazol-3-one, 1,2-dihydro-1-methyl-5-(trifluoromethyl)-

1-Methyl-5-(trifluoromethyl)-1,2-dihydro-3H-pyrazol-3-one

2-methyl-3-(trifluoromethyl)-1H-pyrazol-5-one

1-Methyl-5-(trifluoromethyl)-1H-pyrazol-3(2H)-one

MFCD00085094

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