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

Suppliers

Names

[ CAS No. ]:
86-92-0

[ Name ]:
2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one

[Synonym ]:
EINECS 201-708-4
5-methyl-2-(4-methylphenyl)-4H-pyrazol-3-one
MFCD00035708
5-Methyl-2-(4-methylphenyl)-2,4-dihydro-3H-pyrazol-3-one
2,4-Dihydro-5-methyl-2-(4-methylphenyl)-3H-pyrazol-3-one
3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-methylphenyl)-

Chemical & Physical Properties

[ Density]:
1.1±0.1 g/cm3

[ Boiling Point ]:
365.1±21.0 °C at 760 mmHg

[ Melting Point ]:
129 °C

[ Molecular Formula ]:
C11H12N2O

[ Molecular Weight ]:
188.226

[ Flash Point ]:
174.6±22.1 °C

[ Exact Mass ]:
188.094955

[ PSA ]:
32.67000

[ LogP ]:
0.90

[ Vapour Pressure ]:
0.0±0.8 mmHg at 25°C

[ Index of Refraction ]:
1.595

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
UQ9680000
CHEMICAL NAME :
2-Pyrazolin-5-one, 3-methyl-1-p-tolyl-
CAS REGISTRY NUMBER :
86-92-0
LAST UPDATED :
199709
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C11-H12-N2-O
MOLECULAR WEIGHT :
188.25
WISWESSER LINE NOTATION :
T5NNV DHJ BR D1& E1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
7450 mg/kg
TOXIC EFFECTS :
Behavioral - somnolence (general depressed activity) Skin and Appendages - hair
REFERENCE :
LONZA# Personal Communication from LONZA Ltd., CH-4002, Basel, Switzerland Volume(issue)/page/year: 26APR1982

Safety Information

[ Hazard Codes ]:
Xn

[ Risk Phrases ]:
22

[ RTECS ]:
UQ9680000

[ HS Code ]:
2933199090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 4-Methylphenylhydrazine hydrochloride
  • Ethyl acetoacetate
  • 4-Iodotoluene
  • 3-methyl-2-pyrazolin-5-one
  • 4-Methylphenylhydrazine

DownStream

  • 5-CHLORO-3-METHYL-1-P-TOLYL-1H-PYRAZOLE-4-CARBOXALDEHYDE
  • 4-acetyl-5-methyl-2-(4-methylphenyl)-4H-pyrazol-3-one

Customs

[ HS Code ]: 2933199090

[ Summary ]:
2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 3-[5-(Methoxymethyl)-1,2,4-oxadiazol-3-yl]morpholine hydrochloride
  • 3-(Aminomethyl)-4,5-dimethylheptan-4-ol
  • (2R,3S)-2-Amino-3-hydroxybutanoic acid hydrochloride
  • 4-butyl-N-(3-hydroxy-4-(hydroxymethyl)cyclopentyl)cyclohexanecarboxamide
  • 3-(3-((Dimethylamino)methyl)morpholine-4-carbonyl)benzonitrile formate
  • 2-N-Boc-hexane-1,2-diamine
  • 2-Hydroxy-2-methyl-3-(2-methylphenyl)propanoic acid
  • 2-Amino-7,7-dimethylbicyclo[2.2.1]heptane-1-carboxylic acid
  • 2-(Morpholin-3-yl)benzene-1,4-diol
  • tert-Butyl 3-amino-4-oxopyrrolidine-1-carboxylate
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.