Potassium nitrate

Synonyms: Nitric acid potassium salt

Molar Mass: 101.10 g/mol

Chemical Formula: KNO₃

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Catalogue Number105063
SynonymsNitric acid potassium salt
Product Information
CAS number7757-79-1
EC number231-818-8
GradeISO,Reag. Ph Eur
Hill FormulaKNO₃
Chemical formulaKNO₃
Molar Mass101.10 g/mol
HS Code2834 21 00
Quality LevelMQ300
Physicochemical Information
Melting Point334 °C
pH value5.0 – 7.5 (50 g/l, H₂O, 20 °C)
Bulk density800 kg/m3
Solubility320 g/l
Toxicological Information
LD 50 oralLD50 Rat 3015 mg/kg
Safety Information according to GHS
Hazard Pictogram(s)Hazard Pictogram(s)Hazard Pictogram(s)
Hazard Statement(s)H272: May intensify fire; oxidizer.
Signal WordWarning
Storage class5.1B Oxidizing hazardous materials
WGKWGK 1 slightly hazardous to water
Safety Information
Hazard SymbolsHazard SymbolsHazard SymbolsOxidising
Categories of dangeroxidizing
R PhraseR 8
Contact with combustible material may cause fire.
S PhraseS 16-41
Keep away from sources of ignition – No smoking.In case of fire and/or explosion do not breathe fumes.
Storage Information
StorageStore at +5°C to +30°C.

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