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1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one

1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one Structure
  • ₹0
  • Product name: 1,2-Dihydro-5-methyl-2-phenyl-3H-pyrazol-3-one
  • CAS: 19735-89-8
  • MF: C10H10N2O
  • MW: 174.2
  • EINECS:243-261-8
  • MDL Number:MFCD00127930
  • Synonyms:1,2-dihydro-5-methyl-2-phenyl-3h-pyrazol-3-one;1-PHENYL-3-METHYL-5-PYRAZOLONE;1-Phenyl-3-methyl-1H-pyrazole-5(2H)-one;2-Phenyl-5-methyl-1,2-dihydro-3H-pyrazole-3-one;2-Phenyl-5-methyl-1H-pyrazole-3(2H)-one;5-Methyl-2-phenyl-1,2-dihydro-3H-pyrazole-3-one;1,2-Dihydro-5-methyl;5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
Properties Safety Information Description
Manufacturer Product number Product description Packaging Price Updated Buy

Properties

Melting point :128°C
Boiling point :305.17°C (rough estimate)
Density :1.2600
refractive index :1.6370 (estimate)
pka :0.10±0.40(Predicted)
CAS DataBase Reference :19735-89-8
EPA Substance Registry System :1-Phenyl-3-methyl-5-pyrazolone (19735-89-8)

Safety Information

Symbol(GHS): GHS hazard pictograms
Signal word: Warning
Hazard statements:
Code Hazard statements Hazard class Category Signal word Pictogram P-Codes
H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning GHS hazard pictograms P264, P270, P301+P312, P330, P501
H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning GHS hazard pictograms P264, P280, P302+P352, P321,P332+P313, P362
H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning GHS hazard pictograms P264, P280, P305+P351+P338,P337+P313P
H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning GHS hazard pictograms
Precautionary statements:
P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

Description

ChEBI: Demethylated antipyrine is a ring assembly and a member of pyrazoles.

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