Purity : >98.0%(GC)(T)

CAS No.: 553-26-4
EC No.: 209-036-3
EC Name: 4-pyridin-4-ylpyridine
ECHA Name: 4,4′-bipyridyl


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SKU: 4,4'-Bipyridine ; 553-26-4 ; 4-pyridin-4-ylpyridine ; 209-036-3 ; 4,4'-bipyridyl ; 100.008.216 Category:
Purity / Analysis Method >98.0%(GC)(T)
Molecular Formula / Molecular Weight C10H8N2 = 156.19
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 553-26-4
PubChem Substance ID 87563503
Merck Index (14) 3348
MDL Number MFCD00006416

Specification & Properties

Appearance White to Orange to Green powder to crystal
Purity(GC) min. 98.0 %
Purity(Nonaqueous Titration) min. 98.0 %
Solubility in Methanol almost transparency
Melting point 111.0 to 114.0 deg.C
Melting Point 112 deg.C
Boiling Point 161 deg.C/20 mmHg
Maximum Absorption Wavelength 300(CH3CN) nm
Solubility (soluble in) Methanol

Safety & Regulations

Safety Information:
Chemical Safety Chemical SafetyChemical SafetyChemical Safety
Signal Word Danger
Hazard Statements H301 + H311 : Toxic if swallowed or in contact with skin.
H371 : May cause damage to organs.
H373 : May cause damage to organs through prolonged or repeated exposure.
Precautionary Statements P501 : Dispose of contents/ container to an approved waste disposal plant.
P260 : Do not breathe dust/ fume/ gas/ mist/ vapors/ spray.
P270 : Do not eat, drink or smoke when using this product.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing.
P308 + P311 : IF exposed or concerned: Call a POISON CENTER/doctor.
P361 + P364 : Take off immediately all contaminated clothing and wash it before reuse.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water.Call a POISON CENTER/doctor if you feel unwell.
P405 : Store locked up.
Related Laws:
RTECS# DW1760000
Transport Information:
UN Number UN2811
Class 6.1
Packing Group III
Hazard Classification:

According to the classification provided by companies to ECHA in CLP notifications this substance
is toxic if swallowed,
is toxic in contact with skin,
is toxic to aquatic life with long lasting effects,
causes serious eye irritation,
causes skin irritation and
may cause respiratory irritation.

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