Potassium nitrate ≥99.0%, crystals ACS
Poly bottle, 2 kg
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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
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.
Specifications
- Pack type:Poly bottle
- Size:2 kg