Potassium nitrate 99+% ACS
Supplier: Thermo Fisher Scientific
About this item
Synonyms: Nitrate of Potash
- CAS Number:7757-79-1
- Formula:KNO₃
- MDL Number:MFCD00011409
- Molecular Weight:101.1 g/mol
- Merck Index:13,07733
- Melting Pt:334 °C
- Density:2,109 g/cm³ (20 °C)
- Storage Temperature:Ambient
- EINECS:231-818-8
- UN:1486
- ADR:5.1,III
- REACH:01-2119488224-35
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Product Details & Documents
Synonyms: Nitrate of Potash
- CAS Number:7757-79-1
- Formula:KNO₃
- MDL Number:MFCD00011409
- Molecular Weight:101.1 g/mol
- Merck Index:13,07733
- Melting Pt:334 °C
- Density:2,109 g/cm³ (20 °C)
- Storage Temperature:Ambient
- EINECS:231-818-8
- UN:1486
- ADR:5.1,III
- REACH:01-2119488224-35
Documents
Specifications for Product Family
Specification Test Results
- Appearance:White Crystalline powder or crystals
- pH:4.5 to 8.5 (5% soln. at 25°C)
- Titration after Ion exchange:≥99.0 %
- Chloride (Cl):≤0.002 %
- Iodate (IO3):≤5 ppm
- Nitrite (NO2):≤0.001 %
- Phosphate (PO4):≤5 ppm
- Sulfate (SO4):≤0.003 %
- Calcium (Ca):≤0.005 %
- Iron (Fe):≤3 ppm
- Magnesium (Mg):≤0.002 %
- Sodium (Na):≤0.005 %
- Heavy metals (ICP-OES):≤5 ppm
- Insoluble matter:≤0.005 %



