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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

2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one price.
  • $12 - $1588.7
  • Product name: 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
  • CAS: 86-92-0
  • MF: C11H12N2O
  • MW: 188.23
  • EINECS:201-708-4
  • MDL Number:MFCD00035708
  • Synonyms: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
15 prices
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Brand
  • Acrotein
  • AHH
  • AK Scientific
  • American Custom Chemicals Corporation
  • Aronis compounds
  • Chemenu
  • Chem-Impex
  • Crysdot
  • Medical Isotopes, Inc.
  • TCI Chemical
  • TRC
Package
  • 1mg
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  • 5G
  • 25G
  • 50g
  • 100g
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  • 1kg
  • ManufacturerAcrotein
  • Product numberH-0494
  • Product description3-Methyl-1-(4-methylphenyl)-5-pyrazolone 97%
  • Packaging1kg
  • Price$275
  • Updated2021-12-16
  • Buy
  • ManufacturerAHH
  • Product numberMT-43110
  • Product description4-Tolylmethylpyrazolone 97%
  • Packaging250g
  • Price$450
  • Updated2021-12-16
  • Buy
  • ManufacturerAK Scientific
  • Product numberR637
  • Product description3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one
  • Packaging1g
  • Price$64
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0016988
  • Product description3-METHYL-1-P-TOLYL-5-PYRAZOLONE 95.00%
  • Packaging1G
  • Price$945.95
  • Updated2021-12-16
  • Buy
  • ManufacturerAmerican Custom Chemicals Corporation
  • Product numberCHM0016988
  • Product description3-METHYL-1-P-TOLYL-5-PYRAZOLONE 95.00%
  • Packaging5G
  • Price$1588.7
  • Updated2021-12-16
  • Buy
  • ManufacturerAronis compounds
  • Product numberm09288
  • Product description5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one
  • Packaging1mg
  • Price$12
  • Updated2021-12-16
  • Buy
  • ManufacturerAronis compounds
  • Product numberm09288
  • Product description5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one
  • Packaging10mg
  • Price$20
  • Updated2021-12-16
  • Buy
  • ManufacturerAronis compounds
  • Product numberm09288
  • Product description5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one
  • Packaging100mg
  • Price$80
  • Updated2021-12-16
  • Buy
  • ManufacturerChemenu
  • Product numberCM189199
  • Product description2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3h-pyrazol-3-one 95+%
  • Packaging500g
  • Price$217
  • Updated2021-12-16
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  • ManufacturerChemenu
  • Product numberCM189199
  • Product description2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3h-pyrazol-3-one 95+%
  • Packaging100g
  • Price$62
  • Updated2021-12-16
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  • ManufacturerChem-Impex
  • Product number43651
  • Product description3-Methyl-1-p-tolyl-5-pyrazolone,≥98%(HPLC) ≥98%(HPLC)
  • Packaging25G
  • Price$102.85
  • Updated2021-12-16
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  • ManufacturerCrysdot
  • Product numberCD11040509
  • Product description3-Methyl-1-(p-tolyl)-1H-pyrazol-5(4H)-one 95+%
  • Packaging500g
  • Price$640
  • Updated2021-12-16
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  • ManufacturerMedical Isotopes, Inc.
  • Product number69589
  • Product description2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one
  • Packaging50g
  • Price$610
  • Updated2021-12-16
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  • ManufacturerTCI Chemical
  • Product numberM0554
  • Product description3-Methyl-1-p-tolyl-5-pyrazolone >98.0%(HPLC)(T)
  • Packaging25g
  • Price$101
  • Updated2024-03-01
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  • ManufacturerTRC
  • Product numberD449720
  • Product description2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one
  • Packaging250g
  • Price$460
  • Updated2021-12-16
  • Buy
Manufacturer Product number Product description Packaging Price Updated Buy
Acrotein H-0494 3-Methyl-1-(4-methylphenyl)-5-pyrazolone 97% 1kg $275 2021-12-16 Buy
AHH MT-43110 4-Tolylmethylpyrazolone 97% 250g $450 2021-12-16 Buy
AK Scientific R637 3-Methyl-1-(p-tolyl)-2-pyrazolin-5-one 1g $64 2021-12-16 Buy
American Custom Chemicals Corporation CHM0016988 3-METHYL-1-P-TOLYL-5-PYRAZOLONE 95.00% 1G $945.95 2021-12-16 Buy
American Custom Chemicals Corporation CHM0016988 3-METHYL-1-P-TOLYL-5-PYRAZOLONE 95.00% 5G $1588.7 2021-12-16 Buy
Aronis compounds m09288 5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one 1mg $12 2021-12-16 Buy
Aronis compounds m09288 5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one 10mg $20 2021-12-16 Buy
Aronis compounds m09288 5-methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one 100mg $80 2021-12-16 Buy
Chemenu CM189199 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3h-pyrazol-3-one 95+% 500g $217 2021-12-16 Buy
Chemenu CM189199 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3h-pyrazol-3-one 95+% 100g $62 2021-12-16 Buy
Chem-Impex 43651 3-Methyl-1-p-tolyl-5-pyrazolone,≥98%(HPLC) ≥98%(HPLC) 25G $102.85 2021-12-16 Buy
Crysdot CD11040509 3-Methyl-1-(p-tolyl)-1H-pyrazol-5(4H)-one 95+% 500g $640 2021-12-16 Buy
Medical Isotopes, Inc. 69589 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one 50g $610 2021-12-16 Buy
TCI Chemical M0554 3-Methyl-1-p-tolyl-5-pyrazolone >98.0%(HPLC)(T) 25g $101 2024-03-01 Buy
TRC D449720 2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-Pyrazol-3-one 250g $460 2021-12-16 Buy

Properties

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)
pka :2.73±0.50(Predicted)
form :Solid
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)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning GHS hazard pictograms P261, P272, P280, P302+P352,P333+P313, P321, P363, P501
H412 Harmful to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 3 P273, P501
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P272 Contaminated work clothing should not be allowed out of the workplace.
P273 Avoid release to the environment.
P280 Wear protective gloves/protective clothing/eye protection/face protection.
P302+P352 IF ON SKIN: wash with plenty of soap and water.
P321 Specific treatment (see … on this label).
P333+P313 IF SKIN irritation or rash occurs: Get medical advice/attention.
P363 Wash contaminated clothing before reuse.
P501 Dispose of contents/container to..…

Description

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

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