ChemicalBook > CAS DataBase List > 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one

2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one

Product Name: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
CAS No.: 86-92-0
Chemical Name: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
Synonyms: TIMTEC-BB SBB003677;4-TOLYLMETHYLPYRAZOLONE;1-TOLYL-3-METHYL-5-PYRAZOLONE;p-Tolyl-3-methyl-5-pyrazolone;3-Methyl-1-p-tolyl-5-pyrazolon;3-METHYL-1-P-TOLYL-5-PYRAZOLONE;1-(p-Tolyl)-3-Methyl Pyrazolone;1-(p-Tolyl)-3-methyl-5-pyrazolon;3-Methyl-1-(p-toyl)-5-pyrazolone;1-(p-tolyl)-3-methylpyrazolone-5
CBNumber: CB1169744
Molecular Formula: C11H12N2O
Formula Weight: 188.23
MOL File: 86-92-0.mol

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2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one Property

Melting point:: 129 °C
Boiling point:: 323.23°C (rough estimate)
Density: 1.1124 (rough estimate)
vapor pressure: 0.002-0.002Pa at 25℃
refractive index: 1.5850 (estimate)
storage temp.: 2-8°C
solubility: Chloroform (Slightly), Methanol (Slightly)
form: Solid
pka: 2.73±0.50(Predicted)
color: Beige
LogP: 1.77 at 23℃ and pH6.9-7.1
CAS DataBase Reference: 86-92-0(CAS DataBase Reference)
EPA Substance Registry System: 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-methylphenyl)- (86-92-0)

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Safety

Hazard Codes: Xn
Risk Statements: 22
RTECS: UQ9680000
HS Code: 2933199030

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Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Warning

Hazard statements

H317May cause an allergic skin reaction

H412Harmful to aquatic life with long lasting effects

Precautionary statements

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

P272Contaminated work clothing should not be allowed out of the workplace.

P273Avoid release to the environment.

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

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

P321Specific treatment (see … on this label).

P333+P313IF SKIN irritation or rash occurs: Get medical advice/attention.

P363Wash contaminated clothing before reuse.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

TCI Chemical

Product number: M0554
Product name: 3-Methyl-1-p-tolyl-5-pyrazolone
Purity: >98.0%(HPLC)(T)
Packaging: 25g
Price: $91
Updated: 2025/07/31

TRC

Product number: D449720
Product name: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one
Packaging: 250g
Price: $460
Updated: 2021/12/16

Medical Isotopes, Inc.

Product number: 69589
Product name: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one
Packaging: 50g
Price: $610
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0016988
Product name: 3-METHYL-1-P-TOLYL-5-PYRAZOLONE
Purity: 95.00%
Packaging: 1G
Price: $945.95
Updated: 2021/12/16

American Custom Chemicals Corporation

Product number: CHM0016988
Product name: 3-METHYL-1-P-TOLYL-5-PYRAZOLONE
Purity: 95.00%
Packaging: 5G
Price: $1588.7
Updated: 2021/12/16

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2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one Chemical Properties,Usage,Production

Chemical Properties

Beige Solid

Uses

2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one is used as an antioxidant. Edaravone (E335000) derivative.

2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one manufacturers

Hebei Chuanghai Biotechnology Co., Ltd

Product: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one 86-92-0
Price: US $1.00/PCS
Min. Order: 1PCS
Purity: 99%
Supply Ability: 10 mt
Release date: 2024-10-31

Zhuozhou Wenxi import and Export Co., Ltd

Product: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one 86-92-0
Price: US $15.00-10.00/KG
Min. Order: 1KG
Purity: 99%+ HPLC
Supply Ability: Monthly supply of 1 ton
Release date: 2021-08-11

Career Henan Chemical Co

Product: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one 86-92-0
Price: US $1.00/KG
Min. Order: 1KG
Purity: 99%
Supply Ability: G/KG/T
Release date: 2019-12-24

86-92-0, 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-oneRelated Search:

Kresoxim-methyl Methyl salicylate METSULFURON METHYL Dihydromyrcenol Cefazolin Methyl acrylate Basic Violet 1 Tribenuron methyl Cefazolin sodium salt Methanol 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one Methylparaben Methyl AZINPHOS-METHYL 4-(3-Methyl-5-oxo-2-pyrazolin-1-yl)benzoic acid Pigment Orange 34 4,4'-[(3,3'-Dimethoxy-1,1'-biphenyl-4,4'-diyl)bis(azo)]bis[2,4-dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one] Pyrazole

TIMTEC-BB SBB003677

1-(4'-METHYL-PHENYL)-3-METHYL-5-PYRAZOLONE

2,4-DIHYDRO-5-METHYL-2-(4-METHYLPHENYL)-3H-PYRAZOL-3-ONE

1-(P-TOLYL)-3-METHYL-5-PYRAZOLONE

1-TOLYL-3-METHYL-5-PYRAZOLONE

3-methyl-1-p-tolyl-pyrazolin-5-one

3-METHYL-1-(4-METHYLPHENYL)-4,5-DIHYDRO-1H-PYRAZOL-5-ONE

3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one

3-METHYL-1-P-TOLYL-5-PYRAZOLONE

4-TOLYLMETHYLPYRAZOLONE

5-METHYL-2-(4-METHYLPHENYL)-2,4-DIHYDRO-3H-PYRAZOL-3-ONE

1-(P-TOLY)-3-Methyl-5-pyrazolone(PTMP)

3-methyl-1-p-tolyl-1H-pyrazol-5(4H)-one

p-Tolyl-3-methyl-5-pyrazolone

1-(p-Tolyl)-3-Methyl Pyrazolone

3-Methyl-1-p-tolyl-5-pyrazolon

1-(p-Tolyl)-3-methyl-5-pyrazolon

3-METHYL-1-P-TOLYL-5-PYRAZOLONE 97+%

3-METHYL-1-(4-METHYLPHENYL)PYRAZOLIN-5-ONE

1-(p-Tolyl)-3-methyl-1H-pyrazol-5(4H)-one

2-(4-Methylphenyl)-5-methyl-2,4-dihydro-3H-pyrazole-3-one

2,4-Dihydro-5-methyl-2-(p-tolyl)-3H-pyrazol-3-one

3-Methyl-1-(4-methylphenyl)-5-pyrazolone

3-Methyl-1-[4-tolyl]-2-pyrazolin-5-one

3-Methyl-1-(p-toyl)-5-pyrazolone

3-Methyl-1-p-tolyl-5-pyrazolone, 97.0%(T)

1-(p-tolyl)-3-methylpyrazolone-5

2,4-dihydro-5-methyl-2-(4-methylphenyl)-3h-pyrazol-3-on

2,4-dihydro-5-methyl-2-(4-methylphenyl)-3pyrazol-3-0ne

3H-Pyrazol-3-one,2,4-dihydro-5-methyl-2-(4-methylphenyl)-

3-methyl-1-(4-methylphenyl)-2-pyrazolin-5-on

3-methyl-1-p-tolyl-2-pyrazolin-5-on

5-methyl-2-(2-methylphenyl)-3-pyrazol-2-iumone

3-Methyl-1-p-tolyl-5-pyrazolone&gt

2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one,>99%

1-(4-Methylphenyl)-3-methyl-5-pyrazolone(PTMP)

86-92-0

C11H12N2O

Intermediates of Dyes and Pigments