1-(4-Chlorophenyl)-3-Methyl-2-Pyrazolin-5-One

Modify Date: 2024-01-21 00:52:22

1-(4-Chlorophenyl)-3-Methyl-2-Pyrazolin-5-One Structure
1-(4-Chlorophenyl)-3-Methyl-2-Pyrazolin-5-One structure
Common Name 1-(4-Chlorophenyl)-3-Methyl-2-Pyrazolin-5-One
CAS Number 13024-90-3 Molecular Weight 208.644
Density 1.3±0.1 g/cm3 Boiling Point 325.9±44.0 °C at 760 mmHg
Molecular Formula C10H9ClN2O Melting Point 167-171 °C(lit.)
MSDS Chinese USA Flash Point 150.9±28.4 °C

 Names

Name 1-(4-Chlorophenyl)-3-Methyl-2-Pyrazolin-5-One
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.3±0.1 g/cm3
Boiling Point 325.9±44.0 °C at 760 mmHg
Melting Point 167-171 °C(lit.)
Molecular Formula C10H9ClN2O
Molecular Weight 208.644
Flash Point 150.9±28.4 °C
Exact Mass 208.040344
PSA 32.67000
LogP 2.31
Vapour Pressure 0.0±0.7 mmHg at 25°C
Index of Refraction 1.598

 Safety Information

Personal Protective Equipment Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes Xi
RIDADR NONH for all modes of transport
WGK Germany 3
HS Code 2933199090

 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%

 Articles2

More Articles
Pulse radiolysis study on free radical scavenger edaravone (3-methyl-1-phenyl-2-pyrazolin-5-one). 2: A comparative study on edaravone derivatives.

J. Radiat. Res. 52(1) , 15-23, (2011)

A comparative study using the pulse radiolysis technique was carried out to investigate transient absorption spectra and rate constants for the reactions of (•)OH and N(3)(•) with edaravone (3-methyl-...

(2-Chlorophenyl)-3-methylchromeno [2, 3-c] pyrazol-4 (1H)-one. Batezila G and Holzer W.

Molbank 2010(1) , M661, (2010)

 Synonyms

3H-Pyrazol-3-one, 2-(4-chlorophenyl)-1,2-dihydro-5-methyl-
2-(4-Chlorophenyl)-5-methyl-1,2-dihydro-3H-pyrazol-3-one
EINECS 235-884-9
1-(4-chlorophenyl)-3-methyl-4,5-dihydro-1H-pyrazol-5-one
1-(4-Chlorophenyl)-3-methyl-2-pyrazolin-5-one
2-(4-Chlorophenyl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one
MFCD00043814
3H-Pyrazol-3-one, 2-(4-chlorophenyl)-2,4-dihydro-5-methyl-
1-(4-Chlorophenyl)-3-Methyl-5-pyrazolone
2-(4-chloro-phenyl)-5-methyl-2,4-dihydro-pyrazol-3-one