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Potassium nitrate

Catalog No. 31263 Name Sigma Aldrich
CAS Number 7757-79-1 Website http://www.sigmaaldrich.com
M. F. KNO3 Telephone 1-800-521-8956
M. W. 101.1032 Fax
Purity ≥99% Email
Storage Chembase ID: 105584

SYNONYMS

Title
硝酸钾
IUPAC name
potassium nitrate
IUPAC Traditional name
potassium nitrate

DATABASE IDS

EC Number 231-818-8
CAS Number 7757-79-1
MDL Number MFCD00011409
PubChem SID 24858902

PROPERTIES

Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces iodate (IO3-): ≤5 mg/kg
Antion Traces nitrite (NO2-): ≤10 mg/kg
Antion Traces phosphate (PO43-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤20 mg/kg
Cation Traces Ca: ≤10 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤2 mg/kg
Cation Traces Mg: ≤20 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Empirical Formula (Hill Notation) KNO3
Grade ACS reagent, reag. ISO, reag. Ph. Eur.
Grade puriss. p.a.
Impurities ≤0.0005% heavy metals (as Pb)
Impurities ≤0.001% ammonium (NH4)
Impurities ≤0.005% water insolubles
Purity ≥99%
Melting Point 334 °C(lit.)
pH 5.5-7.5 (20 °C, 5%)
GHS Pictograms GHS03
GHS Signal Word Warning
GHS Hazard statements H272
European Hazard Symbols Oxidising Oxidising (O)
MSDS Link Download
Personal Protective Equipment Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P220
RID/ADR UN 1486 5.1/PG 3
Risk Statements 8
RTECS TT3700000
Hazard Class 5.1
UN Number 1486
Packing Group 3
German water hazard class 1

DETAILS

REFERENCES