Azotyn sodu NaNO2 do syntezy - 1000g

SODIUM NITRITE >99%

CAS Number: 7632-00-0

Chemical Properties:

• Chemical Formula: NaNO₂
• Molar Mass: 69.00 g/mol
• Appearance: White to slightly yellow crystalline powder or granules
• Odor: Odorless
• Melting Point: 271°C (decomposes)
• Boiling Point: Decomposes before boiling
• Density: 2.17 g/cm³
• Solubility:
  • Water: Highly soluble (82 g/100 mL at 20°C)
  • Alcohol: Slightly soluble
• pH: 8.0–9.0 (10% aqueous solution)

Applications:

1. Chemical Reagent: Used in diazotization reactions and the synthesis of organic compounds.
2. Corrosion Inhibitor: Added to industrial systems to inhibit rust and corrosion in closed-loop water systems.
3. Textile and Dye Industry: Employed in dyeing and printing processes.
4. Laboratory Use: Utilized in analytical chemistry for detecting certain ions.
5. Metal Treatment: Used in surface treatments, including phosphating and metal finishing.

Physical and Chemical Characteristics:

• Oxidizing Properties: Sodium nitrite is an oxidizing agent, making it reactive with reducing substances and combustible materials.
• Stability: Stable under normal conditions but decomposes at high temperatures to release toxic gases (e.g., nitrogen oxides).
• Hygroscopic: Absorbs moisture from the air.

Notes:

Sodium nitrite is an important industrial and laboratory reagent. Due to its oxidizing nature, it should be stored away from reducing agents, acids, and flammable materials. It is toxic if ingested or inhaled and should be handled with appropriate safety precautions.

SAFETY

Signal word: danger

Pictograms GHS03, GHS06, GHS09 

Hazard statements H272 May intensify fire; oxidiser. H301 Toxic if swallowed. H319 Causes serious eye irritation. H400 Very toxic to aquatic life. 

Precautionary statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/ …. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER/doctor. P337+P313 If eye irritation persists: Get medical advice/attention. P370+P378 In case of fire: Use sand, carbon dioxide or powder extinguisher to extinguish. P391 Collect spillage. P501 Dispose of contents/container to industrial combustion plant