POTASSIUM NITRATE AR |
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HomeLaboratory ChemicalsMetallic Salts (Metal Salts) |
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SYNONYMS : SALTPETRE, NITRATE OF POTASH
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Article No. |
05400 |
Grade |
AR |
Purity |
99% |
CAS No. |
7757-79-1 |
Molecular Formula |
KNO3 |
Molecular Weight |
101.11 |
H.S. Code |
2834.2100 |
Shelf Life |
5 Years |
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Confirms to BP, USP |
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Specifications |
Appearance |
White crystalline powder |
Assay (as KNO3) |
99 - 100.5% |
Identity |
Passes test |
Appearance of solution |
Passes test |
Reducing substance |
Passes test |
pH (5% solution at 20 deg C) |
4.5 - 8.5 |
Acidity or alkalinity |
Passes test |
Chloride (Cl) |
Max 0.001% |
Chlorate and perchlorate (as Cl) |
Passes test |
Sulphate (SO4) |
Max 0.003% |
Phosphate (PO4) |
Max 0.0005% |
Heavy metals (as Pb) |
Max 0.0005% |
Arsenic (As) |
Max 0.0003% |
Iron (Fe) |
Max 0.0003% |
Calcium (Ca) |
Max 0.001% |
Sodium (Na) |
Max 0.02% |
Ammonium (NH4) |
Max 0.001% |
Iodate (IO3) |
Max 0.0005% |
Nitrite (NO2) |
Max 0.001% |
Loss on drying (at 105 deg C) |
Max 0.5% |
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Safety Information
and Hazard Symbols |
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Symbol: GHS03 Signal Word: Warning UN No.: 1486 IMCO Class No.: 5.1 Packing Group: III Hazardous Statement: H272 Precaution Statement: P220 |
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Revision Date
: 20-Sep-2013 |
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