4,4'-Bipyridine

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CAS NO.: 553-26-4 Catalog: PRD0623
Formula: C10H8N2 Purity: 98.00% +
Molecular Weight: 156.18 Pubchem CID: 11107
InChI Key: MWVTWFVJZLCBMC-UHFFFAOYSA-N
Canonical SMILES: C1=CN=CC=C1C2=CC=NC=C2
Storage: Store in a cool, dry and well-ventilated area away from incompatible substances.
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Properties Information

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
?max
300nm(CH3CN)(lit.)
Sensitive 
Hygroscopic
Merck 
14,3348
BRN 
113176
Stability:
Stable. Incompatible with strong oxidizing agents, strong acids.
InChIKey
MWVTWFVJZLCBMC-UHFFFAOYSA-N

Safety Information

Symbol(GHS) 

GHS06,GHS08
Signal word 
Danger
Hazard statements 
H301+H311-H371-H373-H311-H301
Precautionary statements 
P260-P264-P270-P280-P301+P310+P330-P302+P352+P312+P361+P364-P308+P311-P405-P501-P280h-P301+P310a-P312a-P321-P501a
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
Hazard Class 
6.1
Packing Group 
III
HS Code 
29333999
Toxicity
LD50 orally in Rabbit: 172 mg/kg