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Specifications

Sodium nitrate
  Molecular formula: NaNO2

  Molecular weight: 69.005

  Main property: Industrial sodium nitrite is white or light yellow crystal, the specific weight of pure NaNO2 at 20°C is 2.17, melting point 271°C; it is reducing, oxidizing, easily soluble in water, slightly soluble in alcohol and aether, toxic, odorless and slightly salty.

  Quality index: GB2367-90

  Appearance: light yellow or white crystal, the quality index below:
Item
Index
Best quality
First quality
Qualifier
Sodium nitrite(NaNO2) assay(dry basis) %≥
99.0
98.5
98.0
sodium nitrate(NaNO3) content(dry basis) %≤
0.80
1.00
1.90
Chloride(NaCl) content(dry basis) %≤
0.10
0.17
-
Water insolubles (dry basis) %≤
0.05
0.06
0.10
Moisture %≤
1.8
2.0
2.50
  USe: Maily used in dyestuff, medicines, textiles, plastics etc.
  Packing:In plastic woven bag lined with PE film, net weight 50kg/bag
  Storage and transport:In cool and dry place,avoid moisture and solarization; carried in railway box wagon