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: 3,4-Dimethyl-5-pyrazolinone
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

6628-22-4

6628-22-4 structure

6628-22-4 structure

Name: 3,4-Dimethyl-5-pyrazolinone
Chemical Name: 3,4-Dimethyl-5-pyrazolone
CAS Number: 6628-22-4
Molecular Formula: C₅H₈N₂O
Molecular Weight: 112.13000
Create Date: 2018-06-21 13:49:26
Modify Date: 2026-07-26 18:13:50

Name	3,4-Dimethyl-5-pyrazolone
Synonyms	3,4-Dimethyl-2-pyrazolin-5-one 3H-Pyrazol-3-one,2,4-dihydro-4,5-diMethyl Einecs -6 4,5-Dihydro-3,4-dimethyl-1H-pyrazol-5-one, 3,4-Dimethyl-2-pyrazolin-5-one 2,4-Dihydro-4,5-dimethyl-3H-pyrazol-3-one 3,4-dimethyl-5-pyrazolone 4,5-Dimethyl-1,2-dihydro-pyrazol-3-one 3,4-dimethyl-1H-pyrazol-5(4H)-one 3,4-dimethyl-1,4-dihydropyrazol-5-one 3,4-DIMETHYLPYRAZOLIN-5-ONE 3,4-Dimethyl-Δ2-pyrazol-5-one 3,4-DIMETHYL-4,5-DIHYDRO-1H-PYRAZOL-5-ONE 4,5-Dimethyl-3H-pyrazol-3-one

Density	1.25g/cm3
Boiling Point	307.5ºC at 760 mmHg
Melting Point	269-271ºC
Molecular Formula	C₅H₈N₂O
Molecular Weight	112.13000
Flash Point	139.7ºC
Exact Mass	112.06400
PSA	41.46000
Index of Refraction	1.579

Hazard Codes	Xi
HS Code	2933199090

Precursor 4
609-14-3 68654-32-0 68654-22-8 17094-21-2
DownStream 5
71418-44-5 68654-25-1 68654-22-8 74235-78-2
68654-23-9

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%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.