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3-Methyl-2-pyrazolin-5-one

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Company Name: Shanghai Time Chemicals CO., Ltd.
Tel: +86-021-57951555 +8617317452075
Email: jack.li@time-chemicals.com
Products Intro: Product Name:3-Methyl-2-pyrazolin-5-one
CAS:108-26-9
Company Name: ATK CHEMICAL COMPANY LIMITED
Tel: +undefined-21-51877795
Email: ivan@atkchemical.com
Products Intro: CAS:108-26-9
Purity:0.99 Package:5G，10G，25G，50G，100G，250G,1KG
Company Name: career henan chemical co
Tel: +86-0371-86658258
Email: sales@coreychem.com
Products Intro: Product Name:3-Methyl-2-pyrazolin-5-one
CAS:108-26-9
Purity:98%min Package:1kg;1USD
Company Name: SHANDONG ZHI SHANG CHEMICAL CO.LTD
Tel: +86 18953170293
Email: sales@sdzschem.com
Products Intro: Product Name:3-Methyl-5-Pyrazolone
Package:25kg/drum
Company Name: Hubei Jusheng Technology Co.,Ltd.
Tel: 18871490254
Email: linda@hubeijusheng.com
Products Intro: Product Name:3-Methyl-2-pyrazolin-5-one
CAS:108-26-9
Purity:0.99 Package:5KG;1KG

3-Methyl-2-pyrazolin-5-one manufacturers
3-Methyl-2-pyrazolin-5-one Basic information
Product Name:3-Methyl-2-pyrazolin-5-one
Synonyms:3-Methyl-4,5-dihydro-1H-pyrazole-5-one;5-Methyl-2,4-dihydro-3H-pyrazole-3-one;3-Methyl-2-pyrazolin-5-one,99%;3-methyl pyrazole-5-one;3-Methyl-5-pyrazolone, 99%, 99%;TIMTEC-BB SBB004372;2-Pyrazolin-5-one, 3-methyl-;3-methyl-2-pyrazolin-5-on
CAS:108-26-9
MF:C4H6N2O
MW:98.1
EINECS:203-565-3
Product Categories:
Mol File:108-26-9.mol
3-Methyl-2-pyrazolin-5-one Structure
3-Methyl-2-pyrazolin-5-one Chemical Properties
Melting point 220-224 °C
Boiling point 183.6°C (rough estimate)
density 1.1890 (rough estimate)
refractive index 1.4327 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility Slightly soluble in ethanol.
form powder to crystal
pka13.10±0.40(Predicted)
color White to Light yellow
CAS DataBase Reference108-26-9(CAS DataBase Reference)
NIST Chemistry Reference3H-pyrazol-3-one, 2,4-dihydro-5-methyl-(108-26-9)
EPA Substance Registry System3H-Pyrazol-3-one, 2,4-dihydro-5-methyl- (108-26-9)
Safety Information
Risk Statements 36/37/38
Safety Statements 24/25
WGK Germany 3
RTECS UQ9451500
TSCA Yes
HS Code 29331990
Toxicityrat,LDLo,unreported,600mg/kg (600mg/kg),Biochemical Pharmacology. Vol. 14, Pg. 1325, 1965.
MSDS Information
ProviderLanguage
5-Methyl-2,4-dihydro-pyrazol-3-one English
ACROS English
ALFA English
3-Methyl-2-pyrazolin-5-one Usage And Synthesis
Chemical Properties3-Methyl-2-pyrazolin-5-one is yellowish powder
Uses3-Methyl-2-pyrazolin-5-one is used as intermediate for the manufacture of dyestuffs as well as for agrochemicals.
Uses3-Methyl-2-pyrazolin-5-one is used in the preparation of spirocyclic [indole-3,4'-pyrano[2,3-c]pyrazole] by reacting with isatins and malonitrile in the presence of sodium bromide as electrolyte.
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