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4,4'-Bipyridine Structure

4,4'-Bipyridine

Chemical Properties

Melting point 109-112 °C(lit.)
Boiling point 305 °C(lit.)
Density  1.2814 (rough estimate)
refractive index  1.6057 (estimate)
Flash point 304-305°C
storage temp.  Store below +30°C.
solubility  4.5g/l
pka pK1:3.17(+2);pK2:4.82(+1) (25°C)
form  Powder
color  Off-white to beige
Water Solubility  slightly soluble
Sensitive  Hygroscopic
λmax 300nm(CH3CN)(lit.)
Merck  14,3348
BRN  113176
Stability Stable. Incompatible with strong oxidizing agents, strong acids.
InChIKey MWVTWFVJZLCBMC-UHFFFAOYSA-N
CAS DataBase Reference 553-26-4(CAS DataBase Reference)
NIST Chemistry Reference 4,4'-Bipyridine(553-26-4)
EPA Substance Registry System 4,4'-Bipyridine (553-26-4)

Safety Information

Hazard Codes  T,Xi
Risk Statements  25-36/37/38-20/21-23/24/25
Safety Statements  26-36/37/39-45
RIDADR  UN 2811 6.1/PG 3
WGK Germany  3
RTECS  DW1760000
Hazard Note  Irritant
TSCA  Yes
HazardClass  6.1
PackingGroup  III
HS Code  29333999
Toxicity LD50 orally in Rabbit: 172 mg/kg

MSDS

Usage And Synthesis

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