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4149-06-8

Name 3-AMINO-1-PHENYL-2-PYRAZOLIN-5-ONE
CAS 4149-06-8
EINECS(EC#) 223-974-0
Molecular Formula C9H9N3O
MDL Number MFCD00003137
Molecular Weight 175.19
MOL File 4149-06-8.mol
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Chemical Properties

Appearance Yellowish-brown crystalline powder
Melting point  210-215 °C (dec.)(lit.)
Boiling point  306.48°C (rough estimate)
density  1.2065 (rough estimate)
refractive index  1.6500 (estimate)
storage temp.  Keep in dark place,Inert atmosphere,Room temperature
form  powder to crystal
pka 3.38±0.50(Predicted)
color  White to Brown to Dark purple
BRN  153681
CAS DataBase Reference 4149-06-8(CAS DataBase Reference)

Safety Data

Hazard Codes  Xi,Xn
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S37/39:Wear suitable gloves and eye/face protection .
S36:Wear suitable protective clothing .
WGK Germany  3
RTECS  UR0393500
HS Code  2933119000

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