4,4”-Bipyridine is primarily used as a ligand in coordination chemistry. CAS 553-26-4 EC 209-072-7 Grade Reagent grade, purity 99%

4,4′-Bipyridine (CAS No. 553-26-4), reagent grade with 99% purity, is primarily used as a ligand in coordination chemistry and in the synthesis of pharmaceuticals and organic electronic materials.

General Information

• Name: 4,4”-Bipyridine
• CAS No.: 553-26-4
• MDL No.: MFCD00006416
• EC No.: 209-072-7
• Molecular Formula: C10H8N2
• Molecular Weight: 156.18
• Grade: Reagent grade, purity 99%
• Brand and Packaging: Merck, 5g × 10 bottles per，”100g × 20 bottles/case”

Chemical Properties

• Structur:

   N       N
    \     /
     C   C
      \ /
       C
       |
       C
       |
       C
       |
       N

Safety Information

• Hazard Statements:
  • May be harmful to aquatic life with long lasting effects.
  • May cause an allergic skin reaction.
  • Toxic if swallowed or inhaled.
  • Avoid breathing dust/fume/gas/mist/vapors/spray.
  • Avoid release to the environment.
  • Wear protective gloves/protective clothing/eye protection/face protection.
• Precautionary Statements:
  • Keep only in original container.
  • Dispose of contents/container to an approved waste disposal plant.
  • Avoid release to the environment.
  • Read label before use.
  • Wash thoroughly after handling.
  • IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing.
  • IF ON SKIN: Wash with plenty of soap and water.
  • IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy
  • to do. Continue rinsing.

Quality inspection report

| Test Item         | Standard Requirement                | Test Result             |
|-------------------|-------------------------------------|-------------------------|
| Appearance        | White or light red crystalline powder | Light red crystalline powder |
| Content, %        | ≥99.5                               | 99.7                    |
| Melting Point/℃  | 69.0～72.0                          | 70.0～71.8               |
| Ethanol Dissolution Test | Pass                         | Pass                    |
| Iron complex molar absorption ε, L/cm·mol | ≥9.0×10^3        | 9.2×10^3                 |
| Burnt residue (as sulfate), % | ≤0.2                         | 0.1                     |

**Analysis Conclusion:**
The above experimental results indicate that the sample meets the requirements of HG/T4013-2008 for analytical purity. All test parameters are within the specified ranges, demonstrating excellent quality suitable for further applications and use.

Applications

• Primarily used as a ligand for metal complexes in catalysts and electrochemical sensors.
• Acts as an intermediate in organic synthesis for pharmaceuticals, functional materials, and other organic compounds.

Summary

4,4”-Bipyridine is a crucial organic compound used extensively in coordination chemistry and organic synthesis. It serves as a versatile ligand and intermediate, facilitating the preparation of compounds with tailored properties such as catalysts and drugs.

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