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Pyridazine Structure

Pyridazine

Chemical Properties

Melting point -8 °C (lit.)
Boiling point 208 °C (lit.)
Density  1.103 g/mL at 25 °C (lit.)
refractive index  n20/D 1.524(lit.)
Flash point 185 °F
storage temp.  Inert atmosphere,Room Temperature
pka 2.24(at 20℃)
form  Liquid
color  Clear yellow-brown
Water Solubility  MISCIBLE
Merck  14,7969
BRN  103906
InChIKey PBMFSQRYOILNGV-UHFFFAOYSA-N
CAS DataBase Reference 289-80-5(CAS DataBase Reference)
EWG's Food Scores 1
FDA UNII 449GLA0653
NIST Chemistry Reference Pyridazine(289-80-5)
EPA Substance Registry System Pyridazine (289-80-5)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H227-H315-H319-H335
Precautionary statements P280g-P305+P351+P338
Hazard Codes  Xn
Risk Statements  36/37/38-22
Safety Statements  23-24/25
RIDADR  NA 1993 / PGIII
WGK Germany  3
RTECS  UR5267000
8-10
TSCA  Yes
HS Code  29339980
Toxicity LD50 ipr-mus: 2650 mg/kg PBPHAW 1,542,65
NFPA 704:
2
0 0

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Pyridazine Chemical Properties,Usage,Production

Pyridazine synthesis

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