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Sodium Nitrite NaNO2 for Synthesis - 500g
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Description
Sodium Nitrite
Other Names: Nitrous acid, sodium salt
CAS Number: 7632-00-0
Sum Formula: NaNO₂
Molar Mass: 68.99 g/mol
Appearance: White to slightly yellow crystalline solid
Chemical and Physical Properties
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Density: ~2.17 g/cm³
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Melting Point: 271°C (decomposes)
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Boiling Point: Not applicable (decomposes)
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Solubility in Water: Highly soluble (~82 g/100 mL at 20°C)
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Solubility in Other Solvents: Slightly soluble in alcohol
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Odor: Odorless
Applications
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Analytical Chemistry: Used in diazotization and nitrosation reactions
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Chemical Synthesis: Intermediate for production of azo dyes and other organic compounds
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Corrosion Inhibition: Employed as a corrosion inhibitor for metals in industrial systems
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Laboratory Use: Reagent in synthesis and qualitative analysis
⚠️ No mention of food or pharmaceutical use is included.
Safety
Signal Word: Danger
GHS Hazard Statements
H272 (98.6%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]
H301 (99.9%): Toxic if swallowed [Danger Acute toxicity, oral]
H319 (27%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H400 (99.9%): Very toxic to aquatic life [Warning Hazardous to the aquatic environment, acute hazard]
P210, P220, P264, P264+P265, P270, P273, P280, P301+P316, P305+P351+P338, P321, P330, P337+P317, P370+P378, P391, P405, and P501
Handling and Storage
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Storage Conditions: Store in a tightly closed container in a cool, dry, well-ventilated place away from combustible materials and reducing agents
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Handling Precautions: Avoid contact with skin, eyes, and clothing. Handle with proper protective equipment