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1-(4-Chlorophenyl)-2H-pyrazolin-3-one
[CAS# 76205-19-1]

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Identification
Name 1-(4-Chlorophenyl)-2H-pyrazolin-3-one
Synonyms 1-(4-Chlorophenyl)-1,2-dihydropyrazol-3-one; 1-(4-Chlorophenyl)-3-hydroxypyrazole; 1-(4-Chlorophenyl)pyrazol-3-ol
Molecular Structure CAS # 76205-19-1, 1-(4-Chlorophenyl)-2H-pyrazolin-3-one, 1-(4-Chlorophenyl)-1,2-dihydropyrazol-3-one, 1-(4-Chlorophenyl)-3-hydroxypyrazole, 1-(4-Chlorophenyl)pyrazol-3-ol
Molecular Formula C9H7ClN2O
Molecular Weight 194.62
CAS Registry Number 76205-19-1
EC Number 616-307-3
Properties
Density 1.373
Melting point 190-192 ºC
Safety Data
Hazard Classification
up    Details
HazardClassCategory CodeHazard Statement
Skin irritationSkin Irrit.2H315
Specific target organ toxicity - single exposureSTOT SE3H335
Eye irritationEye Irrit.2H319
Chronic hazardous to the aquatic environmentAquatic Chronic2H411
Eye irritationEye Irrit.2AH319
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