Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-(4-beta-Hydroxyethylsulfonylphenyl-)-3-methyl-5-pyrazolone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

21951-34-8

21951-34-8 structure

21951-34-8 structure

Name: 1-(4-beta-Hydroxyethylsulfonylphenyl-)-3-methyl-5-pyrazolone
Chemical Name: 2-[4-(2-hydroxyethylsulfonyl)phenyl]-5-methyl-4H-pyrazol-3-one
CAS Number: 21951-34-8
Molecular Formula: C₁₂H₁₄N₂O₄S
Molecular Weight: 282.31600
Create Date: 2018-12-25 16:58:08
Modify Date: 2025-09-19 00:13:26

Names
Properties

Name	2-[4-(2-hydroxyethylsulfonyl)phenyl]-5-methyl-4H-pyrazol-3-one
Synonyms	2-Pyrazolin-5-one,1-(p-((2-hydroxyethyl)sulfonyl)phenyl)-3-methyl 2,4-Dihydro-2-(4-((2-hydroxyethyl)sulphonyl)phenyl)-5-methyl-3H-pyrazol-3-one EINECS 244-678-8

Density	1.42 g/cm3
Boiling Point	584.9ºC at 760 mmHg
Molecular Formula	C₁₂H₁₄N₂O₄S
Molecular Weight	282.31600
Flash Point	307.6ºC
Exact Mass	282.06700
PSA	95.42000
LogP	1.14660
Vapour Pressure	1.59E-14mmHg at 25°C
Index of Refraction	1.635

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