Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
Price: Check
Purity: 99.5%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
Price: ￥Inquiry/1kg ￥Inquiry/25kg ￥Inquiry/200kg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Wang Jie
Email: 3096638339@qq.com

19735-89-8

19735-89-8 structure

19735-89-8 structure

Name: 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
Chemical Name: 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
CAS Number: 19735-89-8
Molecular Formula: C₁₀H₁₀N₂O
Molecular Weight: 174.199
Create Date: 2018-12-31 16:04:19
Modify Date: 2025-08-24 15:56:29

Name	5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
Synonyms	1-Phenyl-3-methylpyrazol-5-one 3-methyl-1-phenyl-5-oxo-2,5-dihydro-1H-pyrazole 5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one 3-methyl-1-phenyl-3-pyrazolin-5-one 3-Methyl-1-phenyl-5-pyrazolone 3-methyl-1-phenyl-pyrazol-5-one 3H-Pyrazol-3-one, 1,2-dihydro-5-methyl-2-phenyl- 5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-one 1-Phenyl-3-methyl-1H-pyrazole-5(2H)-one 2-phenyl-5-methyl-pyrazol-3-one 1,2-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one 1,2-Dihydro-5-methyl 1-PHENYL-3-METHYL-5-PYRAZOLONE 2-Phenyl-5-methyl-1,2-dihydro-3H-pyrazole-3-one 2-Phenyl-5-methyl-1H-pyrazole-3(2H)-one EINECS 243-261-8 Edaravone Impurity 12

Density	1.2±0.1 g/cm3
Boiling Point	276.4±23.0 °C at 760 mmHg
Molecular Formula	C₁₀H₁₀N₂O
Molecular Weight	174.199
Flash Point	121.0±22.6 °C
Exact Mass	174.079315
PSA	37.79000
LogP	1.72
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.587

HS Code	2933199090

Precursor 10
141-97-9 100-63-0 67790-05-0 674-82-8
18913-35-4 1016-41-7 105-45-3 6078-46-2
35467-82-4 124559-22-4
DownStream 10
4551-69-3 60-80-0 27349-35-5 7713-77-1
1456-89-9 14488-49-4 112472-57-8 947-95-5
41327-15-5 23901-60-2

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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