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3-Methyl-3-pyrazolin-5-one

CAS No.
4344-87-0
Chemical Name:
3-Methyl-3-pyrazolin-5-one
Synonyms
3H-Pyrazol-3-one, 1,2-dihydro-5-methyl-;AKOS B028792;3 METHYLPYRAZOLONE;5-Methyl-1H-pyrazole-3-ol;3-METHYL-3-PARAZOLIN-5-ONE;3-METHYL-3-PYRAZOLIN-5-ONE;3-Hydroxy-5-methylpyrazole;3-Methyl-3-pyrazoline-5-one;5-METHYL-3-HYDROXY PYRAZOLE;5-Methyl-1H-pyrazol-3(2H)-one
CBNumber:
CB8217187
Molecular Formula:
C4H6N2O
Molecular Weight:
98.1
MDL Number:
MFCD00010705
MOL File:
4344-87-0.mol
MSDS File:
SDS
Last updated:2023-04-23 13:52:06

3-Methyl-3-pyrazolin-5-one Properties

Melting point 223-225 °C (lit.)
Density 1.107±0.06 g/cm3(Predicted)
storage temp. Keep in dark place,Inert atmosphere,Room temperature
solubility 1 M NH4OH: soluble25mg/mL, clear, colorless (in methanol)
pka 9.04±0.70(Predicted)
form solid
color Off White
CAS DataBase Reference 4344-87-0(CAS DataBase Reference)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictograms
GHS07
Signal word  Warning
Hazard statements  H315-H319-H335
Precautionary statements  P261-P264-P271-P280-P302+P352-P305+P351+P338
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-37/39-36
WGK Germany  3
HS Code  2933119000

3-Methyl-3-pyrazolin-5-one price More Price(19)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 303062 3-Methyl-3-pyrazolin-5-one 98% 4344-87-0 25g $50.1 2023-06-20 Buy
SynQuest Laboratories 4H01-1-32 3-Methyl-5-hydroxypyrazole 95% 4344-87-0 1g $75 2021-12-16 Buy
ChemScene CS-W013725 5-Methyl-1H-pyrazol-3(2H)-one 98.83% 4344-87-0 500g $93 2021-12-16 Buy
Matrix Scientific 072859 3-Methyl-5-hydroxypyrazole 95+% 4344-87-0 25g $20 2021-12-16 Buy
American Custom Chemicals Corporation CHM0034607 3-METHYL-3-PYRAZOLIN-5-ONE 95.00% 4344-87-0 1G $597.87 2021-12-16 Buy
Product number Packaging Price Buy
303062 25g $50.1 Buy
4H01-1-32 1g $75 Buy
CS-W013725 500g $93 Buy
072859 25g $20 Buy
CHM0034607 1G $597.87 Buy

3-Methyl-3-pyrazolin-5-one Chemical Properties,Uses,Production

Chemical Properties

Light yellow crystalline powder

Uses

3-Methyl-3-pyrazolin-5-one was used in the preparation of substituted 4-alkyl(cycloalkyl)-2-amino-3-cyano-4H-pyrans.

General Description

3-Methyl-3-pyrazolin-5-one is an intermediate in the synthesis of heterocyclic compounds. Crystal structure of 3-methyl-3-pyrazolin-5-one was studied.

3-Methyl-3-pyrazolin-5-one Preparation Products And Raw materials

3-Methyl-3-pyrazolin-5-one Suppliers

Global( 121)Suppliers
Supplier Tel Email Country ProdList Advantage
Hubei xin bonus chemical co. LTD
86-13657291602 linda@hubeijusheng.com CHINA 22968 58
Alchem Pharmtech,Inc.
8485655694 sales@alchempharmtech.com United States 63711 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427 sales@conier.com China 49391 58
career henan chemical co
+86-0371-86658258 15093356674; factory@coreychem.com China 29826 58
Guangzhou Yuheng Pharmaceutical Technology Co., Ltd
+8613580539051 joe@yuhengpharm.com CHINA 21149 58
SIMAGCHEM CORP
+86-13806087780 sale@simagchem.com China 17367 58
Hefei TNJ Chemical Industry Co.,Ltd.
0551-65418671 sales@tnjchem.com China 34572 58
Dayang Chem (Hangzhou) Co.,Ltd.
571-88938639 +8617705817739 info@dycnchem.com CHINA 52867 58
GIHI CHEMICALS CO.,LIMITED
+8618058761490 info@gihichemicals.com China 50000 58
LEAPCHEM CO., LTD.
+86-852-30606658 market18@leapchem.com China 43348 58

View Lastest Price from 3-Methyl-3-pyrazolin-5-one manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3-Methyl-3-pyrazolin-5-one pictures 2019-12-23 3-Methyl-3-pyrazolin-5-one
4344-87-0
US $1.00 / KG 1KG 99% Customized Career Henan Chemical Co
AKOS B028792 3-METHYL-3-PYRAZOLIN-5-ONE 3 METHYLPYRAZOLONE 3-METHYL-3-PARAZOLIN-5-ONE 3-METHYL-2-PYRAZOLIN-5-ONE (PILOT) 1,2-Dihydro-3-methyl-5H-pyrazol-5-one 3-Hydroxy-5-methyl-1H-pyrazole 3-Methyl-3-pyrazoline-5-one 5-Methyl-1,2-dihydro-3H-pyrazole-3-one 5-Methyl-1H-pyrazole-3(2H)-one 5-Methyl-1H-pyrazol-3(2H)-one 3-Methyl-1H-pyrazol-5-ol, 1,2-Dihydro-5-methyl-3H-pyrazol-3-one 5-Hydroxy-3-methyl-1H-pyrazole 3-Methyl-3-pyrazolin-5-one 98% 5-Methyl-1H-pyrazole-3-ol 3-Hydroxy-5-methylpyrazole 3H-Pyrazol-3-one, 1,2-dihydro-5-methyl- 1,2-Dihydro-5-methyl-3H-pyrazol-3-one 5-METHYL-3-HYDROXY PYRAZOLE 4344-87-0 C4H6N2O Pyrazoles Building Blocks C3 to C5 Chemical Synthesis Heterocyclic Building Blocks Building Blocks Heterocyclic Building Blocks Pyrazoles Heterocyclic Compounds