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Product name: Potassium nitrate
Molecular formula: KNO3
Molecular weight: 101.1
IMDG Code: 1486 5.1 class oxidant
Properties and uses: colorless and transparent orthorhombic or rhombic crystal or white powder, easily soluble in water, soluble in liquid ammonia and glycerin, insoluble in absolute ethyl alcohol and diethyl ether.
This product is mainly used in producing purple flame, and black powder.
Standard of industrial potassium nitrate: GB1918-98 and technical index
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Main index |
Unit
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Superior
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Industrial grade
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Agricultural grade
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Ceramic grade
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Content
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%>=
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99.8
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99.6
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99
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96
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Moisture
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%<=
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0.10
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0.10
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0.10
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0.10
|
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Chloride
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%<=
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0.02
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0.03
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0.03
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0.08
|
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Water insoluble matter
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%<=
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0.01
|
0.01
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0.02
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0.15
|
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Sulfate
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%<=
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0.02
|
0.02
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-
|
-
|
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Iron
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%<=
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0.003
|
0.01
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-
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0.003
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Potassium oxide
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%>=
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-
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-
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46.0
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44
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Nitrogen content
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%>=
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-
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-
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13.5
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13.5
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Sodium content
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%<=
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-
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-
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-
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0.007
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Sodium oxide
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%<=
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-
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-
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-
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0.01
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Notes: The production personnel shall wear protective facial mask, to prevent the ingestion of calcium nitrate dust, and to protect the respiratory organ; wear work clothes, and latex gloves, to protect skin.
Packing: 25/50kg woven bag lined with plastic, or upon customers' request.
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