5157-08-4

Name 4,5-Dihydro-6-methylpyridazin-3(2H)-one
CAS 5157-08-4
Molecular Formula C5H8N2O
MDL Number MFCD00006455
Molecular Weight 112.13
MOL File 5157-08-4.mol
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Chemical Properties

Melting point  79-83 °C
Boiling point  265-270 °C
density  1.24±0.1 g/cm3(Predicted)
storage temp.  Inert atmosphere,Room Temperature
solubility  soluble in Methanol
form  powder to crystal
pka 14.09±0.40(Predicted)
color  White to Almost white
BRN  107612
CAS DataBase Reference 5157-08-4(CAS DataBase Reference)

Safety Data

Symbol(GHS)  Exclamation Mark (GHS07)
GHS07
Signal word  Warning
Hazard statements  H335-H315-H319
Precautionary statements  P264-P280-P302+P352+P332+P313+P362+P364-P305+P351+P338+P337+P313-P261-P280a-P304+P340-P305+P351+P338-P405-P501a
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 
S37/39:Wear suitable gloves and eye/face protection .
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 .
S22:Do not breathe dust .
RTECS  UR6375000
Hazard Note  Harmful
HazardClass  IRRITANT
HS Code  2933998090

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