Sodium Nitrite

Basic Information of Sodium Nitrite

CAS No.:	7632-00-0
EC No.:	231-555-9
Linear Formula:	NaNO₂
Molecular Weight:	69
Appearance:	White to yellowish crystalline powder.
Melting point:	271 °C (lit.)
Density:	2.17g/cm3
Solubility:	Highly soluble in water. Moderately soluble in alcohol.
Nature:	Oxidizing agent. Hygroscopic. Toxic if swallowed or inhaled.
RIDADR:	UN 1500 5.1, 6.1/PG 3
Chemical Structure:

Our commitment to delivering high-purity Sodium Nitrite ensures a reliable and efficient component for your critical processes.

Primary Applications of Sodium Nitrite

Sodium Nitrite's unique chemical properties, including its oxidizing and reducing capabilities, make it an incredibly valuable and versatile compound with applications across numerous industries:

1. Food Preservative and Curing Agent:

   One of its most prominent uses is in the meat processing industry as a curing agent. It helps to preserve meat, enhance flavor and color (e.g., in cured meats like bacon, ham, and hot dogs), and most critically, inhibit the growth of *Clostridium botulinum*, the bacteria responsible for botulism.

2. Corrosion Inhibitor:

   Sodium Nitrite is widely employed as a corrosion inhibitor in various industrial systems, including cooling water systems, pipelines, and automotive antifreeze. It forms a protective passive layer on metal surfaces, preventing rust and degradation.

3. Dye and Pigment Synthesis:

   It is a crucial reagent in the production of organic dyes, pigments, and intermediates, particularly in the diazotization process used to synthesize azo dyes, which are widely used in textiles, paper, and printing inks.

4. Pharmaceutical Industry:

   Sodium Nitrite is used as a reagent in the synthesis of certain pharmaceuticals and other fine chemicals.

5. Rubber and Textile Industries:

   In the rubber industry, it can act as an antioxidant or a blowing agent. In textile applications, it is used in bleaching and dyeing processes.

6. Photography:

   Historically, it has found limited use in photographic processes as an anti-fogging agent.

• Exceptional Purity & Consistency: Our Sodium Nitrite is manufactured to stringent purity specifications, critical for maximizing effectiveness in sensitive applications like food processing and ensuring consistent performance in industrial processes.

• Commitment to Quality & Safety: We adhere to the highest industry standards for quality management, safety, and environmental responsibility across all our operations, ensuring peace of mind for our clients.

Hazards Classification

• GHS Classification: Oxidizer (GHS03), Acute Toxicity (GHS06), Environmental Hazard (GHS09)

• Hazard Statements: May intensify fire; oxidizer; toxic if swallowed; toxic to aquatic life with long lasting effects.

• UN Number: UN 1500

• Hazard Class: 5.1 (Oxidizing Substances), 6.1 (Toxic Substances)

• Packing Group: III