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553-26-4

Name 4,4'-Bipyridine
CAS 553-26-4
EINECS(EC#) 209-036-3
Molecular Formula C10H8N2
MDL Number MFCD00006416
Molecular Weight 156.18
MOL File 553-26-4.mol
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Chemical Properties

Appearance off-white to tan powder
Melting point  109-112 °C(lit.)
Boiling point  305 °C(lit.)
density  1.2814 (rough estimate)
refractive index  1.6057 (estimate)
Fp  304-305°C
storage temp.  Store below +30°C.
solubility  4.5g/l
form  Powder
pka pK1:3.17(+2);pK2:4.82(+1) (25°C)
color  Off-white to beige
Stability: Stable. Incompatible with strong oxidizing agents, strong acids.
Water Solubility  slightly soluble
Sensitive  Hygroscopic
λmax 300nm(CH3CN)(lit.)
Detection Methods HPLC,NMR
Merck  14,3348
BRN  113176
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 553-26-4(EPA Substance)
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Safety Data

Hazard Codes  T,Xi
Risk Statements 
R25:Toxic if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21:Harmful by inhalation and in contact with skin .
R23/24/25:Toxic by inhalation, in contact with skin and if swallowed .
Safety Statements 
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 .
S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
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

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