1.Sodium nitrite
Molecular formula: NaNO2
Formula weight:69.00
2.Property:
(1) ordinary sodium nitrite: white little crystals or light yellow
(2) dry powder sodium nitrite: white,non-caking, showing quick-sand
status.
Density:2.168. No odor, slightly salty. It is liable to deliquesce,
dissolved in water,soluble in liquid ammonia,slightly soluble in
ethanol and glycerin,Melting Point:271℃. Decomposition temperature
is 320℃It has oxidability and also has reducibility. It will slowly
be oxidized into sodium nitrate in atmosphere, it can form nitrogen
compound with nitrilo at low temperature.
3.Usage:It has been widely used in making nitro-compound and azo dye,
mordant of textile dyeing, bleaching agent, metal heat finishing
agent, cement early strength agent, and deicing agent etc.
Note:The product should be stored in a cool, dry place to prevent it
from moisture, heat and sunlight.This product can not be mixed with
strong reductant, inflammable and explosive materials, food, feed
and additives.This product is toxic and should be properly kept and
can not be eaten.
Specification: (Technical Standards:GB2367-2006)
Item | Unit | Molten salt G | High G | First G | Qualified G | Dry powder G |
Assay | %≥ | 99.3 | 99.0 | 98.5 | 98.0 | 98.5 |
Sodium nitrate | %≤ | 0.6 | 0.80 | 1.00 | 1.90 | 0.80 |
Chlorides | %≤ | 0.03 | 0.10 | 0.17 | -- | 0.1 |
Water insolubles | %≤ | 0.02 | 0.05 | 0.06 | 0.10 | 0.05 |
Moisture | %≤ | 1.0 | 1.4 | 2.0 | 2.5 | 0.2 |
Loose degree | ≥ | -- | -- | -- | -- | 95 |
Package: net 25kg/50kg net each in plasic woven inner plasic bag,or 500kg net each in flexible container.
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