2,2′-Bipyridine : Bipyridyl : Dipyridyl : Bipy : Bpy : Dipy : 2,2-Bipyridyl - Chelating - 250g

2,2'-Bipyridyl
Other Names: 2,2'-Bipyridine, Bipyridine, Bipy

CAS Number: 366-18-7
Sum Formula: C₁₀H₈N₂
Molar Mass: 156.18 g/mol
Appearance: White to pale yellow crystalline powder

2,2'-Bipyridyl is an aromatic heterocyclic compound composed of two pyridine rings connected at the 2 positions. It is widely used in coordination chemistry as a bidentate ligand, as well as in analytical and materials science due to its redox-active and photochemical properties.

Chemical and Physical Properties

Density: ~1.19 g/cm³
Melting Point: 69–72°C
Boiling Point: 273°C
Solubility in Water: Slightly soluble
Solubility in Other Solvents: Soluble in ethanol, acetone, and ether
Odor: Slight characteristic odor

Applications

Coordination Chemistry: Acts as a chelating ligand forming stable complexes with transition metals (e.g., iron, ruthenium, copper).

Analytical Chemistry: Used in spectrophotometric and electrochemical determination of metal ions.

Photochemistry: Applied in the development of photoactive metal complexes and light-sensitive materials.

Organic Synthesis: Serves as a reagent and intermediate in various synthetic transformations.

Materials Science: Involved in research on molecular electronics, luminescent complexes, and dye-sensitized solar cells.

Safety

Signal Word: Warning

Hazard Statements:
H302: Harmful if swallowed.
H315: Causes skin irritation.
H319: Causes serious eye irritation.
H411: Toxic to aquatic life with long lasting effects.

Precautionary Statements:
P261: Avoid breathing dust or fumes.
P264: Wash hands thoroughly after handling.
P270: Do not eat, drink, or smoke when using this product.
P273: Avoid release to the environment.
P280: Wear protective gloves, protective clothing, and eye protection.
P301+P312: IF SWALLOWED: Call a POISON CENTER or doctor if you feel unwell.
P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing.

First Aid Measures

Eye Contact: Rinse thoroughly with plenty of water. Seek medical attention if irritation occurs.
Skin Contact: Wash with soap and water. Remove contaminated clothing.
Inhalation: Move to fresh air. Seek medical attention if symptoms persist.
Ingestion: Rinse mouth with water. Do not induce vomiting. Seek medical advice immediately.

Handling and Storage

Storage Conditions: Store in a tightly sealed container in a dry, cool, and well-ventilated area. Keep away from strong oxidizing agents.
Handling Precautions: Avoid contact with skin, eyes, and clothing. Use appropriate personal protective equipment and maintain good laboratory hygiene.