Granular Sodium Nitrite (4-6mm)
CAS: 7632-00-0
Nitrites
Sodium Nitrite
CAS Number
7632-00-0
Molecular Formula
NaNO₂
HS Code
2834100000
EINECS Number
231-555-9
UN Number
1500
Hazard Class
5.1
Appearance
White or slightly yellowish crystals
Properties
Appearance is white or slightly yellowish crystals, relative molecular mass 69.0, specific gravity: 2.168, odorless, slightly salty taste, hygroscopic, easily soluble in water, melting point 271°C, decomposition temperature 320°C, has both oxidizing and reducing properties.
Industrial grade sodium nitrite (NaNO₂), white or slightly yellowish crystals. Used in dye manufacturing, metal treatment, and various industrial applications.
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Specifications
Purity: ≥99.0%
Appearance: White/light yellow crystals
Packaging: 25kg/50kg bags
Appearance: White/light yellow crystals
Packaging: 25kg/50kg bags
Applications
• Dye industry - Manufacturing nitro compounds and azo dyes
• Metal surface treatment - Heat treatment agent, electroplating corrosion inhibitor
• Rubber industry
• Pharmaceutical synthesis - Equipment disinfection, preservative
• Food preservation
• Cement early strength agent, antifreeze
• Metal surface treatment - Heat treatment agent, electroplating corrosion inhibitor
• Rubber industry
• Pharmaceutical synthesis - Equipment disinfection, preservative
• Food preservation
• Cement early strength agent, antifreeze
Quality Standards
| Item | Best Quality | First Quality | Qualified |
|---|---|---|---|
| Sodium Nitrite Content (dry basis), %, ≥ | 99.0 | 99.0 | 98.5 |
| Moisture, %, ≤ | 1.2 | 1.4 | 2.0 |
| Chloride (as NaCl) (dry basis), %, ≤ | 0.10 | 0.17 | -- |
| Water Insoluble Matter (dry basis), %, ≤ | 0.05 | 0.05 | 0.10 |
| Sodium Nitrate Content (dry basis), %, ≤ | 0.08 | 0.8 | 1.0 |
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CAS: 7632-00-0