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3(2H)-Pyridazinone Structure

3(2H)-Pyridazinone

Chemical Properties

Melting point 98-104 °C
Boiling point 101°C/1.5mmHg(lit.)
Density  1.478 g/cm3
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  DMSO (Slightly), Methanol (Slightly)
form  Solid
pka 11.47±0.20(Predicted)
color  Light Red to Light Brown
λmax 290nm(EtOH)(lit.)
BRN  106974
InChIKey AAILEWXSEQLMNI-UHFFFAOYSA-N
CAS DataBase Reference 504-30-3(CAS DataBase Reference)
FDA UNII UZ5DP4K4YQ
NIST Chemistry Reference 3(2H)-pyridazinone(504-30-3)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H315-H319-H335
Precautionary statements P261-P305+P351+P338-P280a-P304+P340-P405-P501a
Hazard Codes  Xi
Risk Statements  36/37/38
Safety Statements  26-36/37
WGK Germany  3
HS Code  29339900
NFPA 704:
1
2 0

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