3-Methyl-3-pyrazolin-5-one

Product Name: 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
Formula Weight: 98.1
MOL File: 4344-87-0.mol

More

Less

3-Methyl-3-pyrazolin-5-one Property

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)
form: solid
pka: 9.04±0.70(Predicted)
color: Off White
CAS DataBase Reference: 4344-87-0(CAS DataBase Reference)

More

Less

Safety

Hazard Codes: Xi
Risk Statements: 36/37/38
Safety Statements: 26-37/39-36
WGK Germany: 3
HS Code: 2933119000

More

Less

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P271Use only outdoors or in a well-ventilated area.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

More

Less

N-Bromosuccinimide Price

Sigma-Aldrich

Product number: 303062
Product name: 3-Methyl-3-pyrazolin-5-one
Purity: 98%
Packaging: 25g
Price: $50.1
Updated: 2023/06/20

SynQuest Laboratories

Product number: 4H01-1-32
Product name: 3-Methyl-5-hydroxypyrazole
Purity: 95%
Packaging: 1g
Price: $75
Updated: 2021/12/16

ChemScene

Product number: CS-W013725
Product name: 5-Methyl-1H-pyrazol-3(2H)-one
Purity: 98.83%
Packaging: 500g
Price: $93
Updated: 2021/12/16

Matrix Scientific

Product number: 072859
Product name: 3-Methyl-5-hydroxypyrazole
Purity: 95+%
Packaging: 25g
Price: $20
Updated: 2021/12/16

Matrix Scientific

Product number: 072859
Product name: 3-Methyl-5-hydroxypyrazole
Purity: 95+%
Packaging: 100g
Price: $49
Updated: 2021/12/16

More

Less

3-Methyl-3-pyrazolin-5-one Chemical Properties,Usage,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

Raw materials

Preparation Products

More

Less

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

China 84 Germany 2 India 4 Japan 1 Switzerland 1 Ukraine 1 United Kingdom 6 United States 24 Global 123

Energy Chemical

Tel: 021-021-58432009 400-005-6266
Fax: 021-58436166
Email: sales8178@energy-chemical.com
Country: China
ProdList: 44689
Advantage: 61

Beijing Ouhe Technology Co., Ltd

Tel: 010-82967028 13552068683
Fax: +86-10-82967029
Email: 2355560935@qq.com
Country: China
ProdList: 12438
Advantage: 60

Pure Chemistry Scientific Inc.

Tel: 001-857-928-2050 or 1-888-588-9418
Fax: 001-617-206-9595
Email: sales@chemreagents.com
Country: United States
ProdList: 10186
Advantage: 62

Adamas Reagent, Ltd.

Tel: 400-6009262 16621234537
Fax: 021-64823266
Email: chenyj@titansci.com
Country: China
ProdList: 14103
Advantage: 59

Shanghai Longsheng chemical Co.,Ltd.

Tel: 021-58099652-8005 13585536065
Fax: 021-58099609
Email: bin.wu@shlschem.com
Country: China
ProdList: 9809
Advantage: 59

Nanjing Chemlin Chemical Co., Ltd

Tel: 025-83697070
Fax: +86-25-83453306
Email: info@chemlin.com.cn
Country: China
ProdList: 19172
Advantage: 64

Shanghai Hanhong Scientific Co.,Ltd.

Tel: 021-54306202 13764082696
Email: info@hanhongsci.com
Country: China
ProdList: 42958
Advantage: 64

Syntechem Co.,Ltd

Tel
Fax: E-Mail Inquiry
Email: info@syntechem.com
Country: China
ProdList: 12984
Advantage: 57

Tianjin heowns Biochemical Technology Co., Ltd.

Tel: 400 638 7771
Email: sales@heowns.com
Country: China
ProdList: 14435
Advantage: 57

Shanghai Shenyue Chemical Co., Ltd.

Tel: 021-021-52212593 18049974220
Fax: +86 (21) 51062076
Email: sales@nuohey.com
Country: China
ProdList: 2225
Advantage: 60

More

Less

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

Career Henan Chemical Co

Product: 3-Methyl-3-pyrazolin-5-one 4344-87-0
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: Customized
Release date: 2019-12-20

4344-87-0, 3-Methyl-3-pyrazolin-5-oneRelated Search:

1-Phenyl-3-methyl-2-pyrazolin-5-one Methyl acetate Methylparaben 2-Methyl-4-isothiazolin-3-one Methyl acrylate Bensulfuron methyl Cefazolin Cefazolin sodium salt Kresoxim-methyl Thiophanate-methyl Methyl 4-ACETAMIDOANTIPYRINE Metamizole Sodium Monohydrate DIANTIPYRYLMETHANE 4-Aminoantipyrine Antipyrine 4-BROMOANTIPYRINE Aminopyrine

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

3H-Pyrazol-3-one, 1,2-dihydro-5-methyl-

3-Hydroxy-5-methylpyrazole

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