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By certification 
Description: Colorless Triquetrous Or Rhombohedral Crystal Or White Fine Crystal Powder. Odorless, Salty, Slightly Bitter.
Chemical Formula: NaNO3
Molecular Weight: 84.99
Specification:
1>Sodium nitrate: 99.3% min
2>Sodium Nitrite: 0.01% max
3>Water content: 1.5% max
4>Water insoluble substance: 0.03% max
5>Chloride (based on dried basis):0.15% max
6>Carbonates: 0.10% max
7>Iron: 0.005% max
8>Heavy Metal: 0.002% max
9>Arsenic: 0.0002% max
Characteristics: Colorless triquetrous or rhombohedral crystal or white fine crystal powder. Odorless, salty, slightly bitter. Easily deliquescent, easily dissolve in water and liquid ammonia, dissolve in ethanol and methanol, slightly dissolve in glycerin and acetone, when meet with organic substance or sulfur it is easily burning and blast. Density 2.27g/cm3, mp 308C.
Usage: Used as material of potassium nitrate, mine dynamite, Picric acid, dyestuff etc. Used as decolor agent, clearing agent and oxydation boosting melting agent in glass industry. Oxidant, nitrating agent or fertilizer.
Packing: in 25kgs or 50kgs plastic woven bag.
