Potassium nitrate ≥99.0%, GR ACS, Supelco®

Supplier: MilliporeSigma

Oxidizing Warning

Warning

Synonyms: Nitrate of Potash

PX1520-1 PX1520-5 PX1520-7 PX1520-5 PX1520-7 PX1520-1 PX1520-20 PX1520-20

EM-PX1520-5EA 364.62 USD

CAPX1520-20 EM-PX1520-5 CAPX1520-1 EM-PX1520-1 CAPX1520-7 CAPX1520-5 EM-PX1520-20 EM-PX1520-7

Potassium nitrate ≥99.0%, GR ACS, Supelco®

Potassium nitrate

Meets ACS Specifications, Meets Reagent Specifications for testing USP/NF monographs

Formula: KNO₃
MW: 101.1 g/mol
Melting Pt: 334 °C
Storage Temperature: Ambient

MDL Number: MFCD00011409
CAS Number: 7757-79-1
EINECS: 231-818-8
UN: 1486
ADR: 5.1,III
REACH: 01-2119488224-35
Merck Index: 13,07733

Specification Test Results

Assay	99.0% min
Calcium (Ca)	0.005% max
Chloride (Cl)	0.002% max
Color	White
Form	Crystals
Heavy metals (as Pb)	5ppm max
Insoluble matter	0.005% max
Iodate (IO3)	5ppm max
Iron (Fe)	3ppm max
Magnesium (Mg)	0.002% max
Nitrite (NO2)	0.001% max
pH of a 5% solution at 25°C	4.5-8.5
Phosphate (PO4)	5ppm max
Sodium (Na)	0.005% max
Sulfate (SO4)	0.003% max

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