SODIUM NITRITE (NaNO₂) – LR Grade

SODIUM NITRITE (NaNO₂) – LR Grade

Product Name: Sodium Nitrite
Chemical Formula: NaNO₂
Molecular Weight: 69.00 g/mol
CAS Number: 7632-00-0
UN Number: 1500
EC Number: 231-555-9
Grade: LR (Laboratory Reagent)
Appearance: White to slightly yellowish crystalline powder
Odor: Odorless or faint odor
Solubility: Highly soluble in water; slightly soluble in alcohol

Description
Sodium Nitrite is an inorganic oxidizing agent widely used in analytical chemistry, industrial processing, and food preservation (controlled applications). It acts as a nitrosating agent and plays a key role in diazotization reactions, corrosion inhibition, and synthesis processes.

Specifications (Typical LR Grade)
Assay: ≥ 97.0%
Chloride (Cl): ≤ 0.02%
Sulphate (SO₄): ≤ 0.01%
Heavy Metals (as Pb): ≤ 0.002%
Iron (Fe): ≤ 0.001%
Loss on Drying: ≤ 2.0%

Applications
Analytical reagent in laboratories
Diazotization in organic synthesis
Corrosion inhibitor in cooling systems
Textile dyeing and bleaching processes
Rubber and chemical manufacturing
Food curing (strictly regulated industrial/food-grade only)

Handling & Storage
Store in a cool, dry, well-ventilated area
Keep container tightly closed
Protect from moisture and direct sunlight
Keep away from reducing agents, acids, and combustible materials
Use appropriate PPE (gloves, goggles, lab coat)

Hazard Information
Oxidizing agent – may intensify fire
Toxic if swallowed
May cause methemoglobinemia (interferes with oxygen transport in blood)
Harmful if inhaled

GHS Classification:
Ox. Sol. 3
Acute Tox. 3

Safety Precautions
Avoid ingestion, inhalation, and skin contact
Do not mix with acids (can release toxic nitrogen oxides)
Use only in controlled laboratory/industrial settings
Wash hands thoroughly after handling

Packaging
Standard Pack Size: 500 g (as shown)
Also available: 100 g, 250 g, 1 kg, 5 kg
Packaging: HDPE chemical-resistant container with tamper-proof cap

Storage Stability
Stable under recommended conditions
Hygroscopic – may absorb moisture over time
Decomposes under high heat or acidic conditions
Comparable Supplier References
Sigma-Aldrich: Sodium Nitrite ≥99%
Merck: Sodium Nitrite Analytical Grade
Loba Chemie: Sodium Nitrite LR
Molychem: Sodium Nitrite LR (as shown)
Fisher Scientific: Sodium Nitrite ACS

WLS Safety Note
⚠️ Strictly for laboratory and industrial use. Not for direct food or pharmaceutical application unless specified food/medical grade. Handle with care due to toxicity and oxidizing nature.