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Sodium Nitrite
English name: Sodium nitrate
Molecular formula: NaNO2
Molecular weight: 69
CAS Number: 7632-00-0
Physical and chemical properties:
(1) Ordinary sodium nitrite: white fine crystals, or light yellow.
(2) Dry powder sodium nitrite: white crystals, non clumping, in a loose state. Specific gravity 2.168, odorless, slightly salty, easily deliquescent, soluble in water, melting point 271 ℃, decomposition temperature 320 ℃, with oxidizing and reducing properties. Slowly oxidize in air to form sodium nitrate, which easily forms nitrogen compounds with amino groups at low temperatures.
Usage: Mainly used as a raw material for manufacturing nitro compounds, azo dyes, etc., used as a mordant and bleaching agent for fabric dyeing, as well as a metal heat treatment agent, early strength agent for cement, and anti icing agent.
Execution standard: GB/T 2367-2016
Product parameters:
Indicator Name | High purity grade | Dry powder grade | Qualified grade |
Sodium nitrite% ≥ | 99.3 | 98.5 | 98 |
Moisture content% ≤ | 1 | 0.2 | 2.5 |
Water insoluble substance (*)% ≤ | 0.02 | 0.06 | 0.1 |
Chloride (on a dry basis)% ≤ | 0.03 | 0.1 | --- |
Sodium nitrate (on a dry basis)% ≤ | 0.6 | 0.8 | 1.9 |
Looseness degree | --- | 95 | --- |
Food Grade Sodium Nitrite
[Chemical formula] NaNO2
[Appearance] White or slightly pale yellow crystals
[Product Quality] The product quality meets the national standard GB1907-1992
Indicator Name | Indicator |
Sodium nitrite (NaNO2) content (on a dry basis),% ≥ | 99 |
Dry loss% ≤ | 0.25 |
Water insoluble content,% ≤ | 0.05 |
Arsenic (As) content,% ≤ | 0.0002 |
Content of heavy metals (calculated as Pb),% ≤ | 0.002 |
Lead content% ≤ | 0.001 |
[Usage] As a food additive, used as a coloring agent in meat processing.
Manufacturing
