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2749-59-9

Name 1,3-Dimethyl-5-pyrazolone
CAS 2749-59-9
EINECS(EC#) 220-389-2
Molecular Formula C5H8N2O
MDL Number MFCD00067008
Molecular Weight 112.13
MOL File 2749-59-9.mol
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Chemical Properties

Melting point  117°C
Boiling point  210.05°C (rough estimate)
density  1.1524 (rough estimate)
refractive index  1.4730 (estimate)
storage temp.  Sealed in dry,Room Temperature
solubility  Chloroform (Slightly), DMSO (Slightly), Ethyl Acetate (Slightly, Sonicated), Met
form  Solid
pka 2.93±0.50(Predicted)
color  Off-White to Light Beige
Water Solubility  almost transparency
InChIKey JXPVQFCUIAKFLT-UHFFFAOYSA-N
CAS DataBase Reference 2749-59-9(CAS DataBase Reference)
NIST Chemistry Reference 3H-Pyrazol-3-one, 2,4-dihydro-2,5-dimethyl-(2749-59-9)
EPA Substance Registry System 3H-Pyrazol-3-one, 2,4-dihydro-2,5-dimethyl- (2749-59-9)

Safety Data

Hazard Codes  Xi
Risk Statements 
R36/37/38:Irritating to eyes, respiratory system and skin .
Safety Statements 
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
Hazard Note  Irritant

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