12648
Fluka

Potassium nitrate

SKU
12648
Puriss., meets analytical specification of Ph Eur, BP, USP, FCC, E252, 99.0-100.5%
General Information:
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Brand
Fluka
CAS Numbers (All) EC Number Linear Formula
KNO3
MDL Number
Molar Mass
101 g/mol

Documents

Specifications

PropertyValue
assay99.0 - 100.5 %
assay (calc. to the dried substance)99.0 - 100.5 %
loss on drying (105°C)Max. 0.5 %
pH (5 %, 20°C)5 - 8
ammonium (NH4)Max. 50 ppm
arsenic (As)Max. 1 ppm
calcium (Ca)Max. 50 ppm
copper (Cu)Max. 10 ppm
iron (Fe)Max. 10 ppm
mercury (Hg)Max. 1 ppm
sodium (Na)Max. 0.1 %
lead (Pb)Max. 2 ppm
zinc (Zn)Max. 10 ppm
heavy metals (as Pb)Max. 10 ppm
chloride (Cl)Max. 10 ppm
nitrite (NO2)Max. 5 ppm
sulfate (SO4)Max. 100 ppm
chlorate (ClO3)complying
appearance of the solutioncomplying
acidity or alkalinitycomplying
reducible impuritiescomplying
residual solventscomplying
identity on Kcomplying
identity on NO3complying

Properties

PropertyValue
Boiling Point/RangeNot applicable
ColorColorless
Density2.11 g/cm3 (20 °C)
FlashpointNot applicable
FormCrystalline
GradeReagent Pharmacopeia Salts
Incompatible MaterialsHeavy metals, Reducing agents, Combustible material, Acids, Thiocyanates, Cyanides
Lower Explosion LimitNot applicable
Melting Point/Range335 °C (1.013 hPa)
Partition CoefficientNot applicable
Purity Percentage99
Purity Details99-100.5%
Solubility in Water357 g/l (25 °C)
Upper Explosion LimitNot applicable
Vapor PressureNo data available
ViscosityNot applicable
pH-Value5.5-7.5 at 50 g/l (20 °C)
Product LinePuriss.
Storage TemperatureAmbient

Safety Information

PropertyValue
Hazard Class5.1
Package GroupIII
UN IDUN1486
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