Potassium nitrate ≥99.0%, crystals ACS
About this item
Potassium Nitrate is used as an oxidizing agent during fire assay and precious metal refining
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
Potassium Nitrate is used as an oxidizing agent during fire assay and precious metal refining
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
Specifications for Product Family
Specification Test Results
- Assay (KNO3):99.0% min.
- pH of a 5% Solution at 25°C:4.5 - 8.5
- Insoluble Matter:0.005% max.
- Chloride (Cl):0.002% max.
- Iodate (IO3):5 ppm max.
- Nitrite (NO2):0.001% max.
- Phosphate (PO4):5 ppm max.
- Sulfate (SO4):0.003% max.
- Heavy metals (as Pb):5 ppm max.
- Iron (Fe):3 ppm max.
- Calcium (Ca):0.005% max.
- Magnesium (Mg):0.002% max.
- Sodium (Na):0.005% max.
Product Family Options
Product Information
- Pack typeSizeAvailabilityPrice
- Supplier Number: 74336-380