Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-methyl-3-trifluoromethyl-2-pyrazolin-5-one
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Methyl-3-(trifluoromethyl)-2-pyrazolin-5-one
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

1481-02-3

1481-02-3 structure

1481-02-3 structure

Name: 1-methyl-3-trifluoromethyl-2-pyrazolin-5-one
Chemical Name: 2-methyl-5-(trifluoromethyl)-4H-pyrazol-3-one
CAS Number: 1481-02-3
Molecular Formula: C₅H₅F₃N₂O
Molecular Weight: 166.10100
Create Date: 2018-12-17 18:12:45
Modify Date: 2025-08-22 16:43:04

Name	2-methyl-5-(trifluoromethyl)-4H-pyrazol-3-one
Synonyms	1-methyl-3-trifluoromethyl-4H-pyrazol-5-one MFCD00051654 1-METHYL-3-TRIFLUOROMETHYL-2-PYRAZOLIN-5-ONE 2-methyl-5-trifluoromethyl-2,4-dihydro-pyrazol-3-one

Density	1.5 g/cm3
Boiling Point	101.6ºC at 760 mmHg
Melting Point	178 °C
Molecular Formula	C₅H₅F₃N₂O
Molecular Weight	166.10100
Flash Point	15.3ºC
Exact Mass	166.03500
PSA	32.67000
LogP	0.14030
Vapour Pressure	0.029mmHg at 25°C
Index of Refraction	1.53

Hazard Codes	Xi: Irritant;
Risk Phrases	25
Safety Phrases	S22-S24/25
HS Code	2933199090

372-31-6 structure

372-31-6

60-34-4 structure

60-34-4

~%

1481-02-3 structure

1481-02-3

Literature: Australian Journal of Chemistry, , vol. 63, # 5 p. 785 - 791

Precursor 2
372-31-6 60-34-4
DownStream 3
$BUTTPARK 99\18-37 structure$ 128564-57-8 128455-62-9 128455-63-0

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%

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