2-Amino-5-nitropyridine Cas:4214-76-0

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Product Description:

Product Name: 2-Amino-5-nitropyridine CAS NO: 4214-76-0

 

Synonyms:

5-nitro-2-pyridinamine;

2-Pyridinamine, 5-nitro-;

 

Chemical & Physical Properties:

Appearance: Yellow fine crystalline powder

Assay :≥99.0%

Density: 1.437

Boiling Point: 351.3℃ at 760 mmHg

Melting Point: 186-190℃

Sensitive: Light sensitive

Stability: Stable under normal temperatures and pressures.

Storage Condition: Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

 

Safety Information:

Safety Statements: S24/25

HS Code: 29333999

WGK Germany: 3

Risk Statements: R36/37/38

Hazard Code: Xi

 

2- amino-5 – nitropyridine used as organic synthesis, pharmaceutical intermediates. It is obtained by nitration of 2-aminopyridine. At a temperature of 50℃, 2-aminopyridine is added to concentrated sulfuric acid, and then fuming nitric acid is added, the temperature does not exceed 50℃. Hold at 45℃ for 2h, stir at chamber Chemicalbook temperature for 4h. The reaction liquid is poured into the crushed ice, and the ammonia water is added below 5℃ to adjust to pH6, and the crystal is precipitated out. Strain and dry. Recrystallized with water, light yellow sheet crystal was obtained with 75% yield.

 

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