Fluka

Potassium nitrate

SKU

12648

Puriss., meets analytical specification of Ph Eur, BP, USP, FCC, E252, 99.0-100.5%

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General Information:

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Brand Fluka	CAS Numbers (All) 7757-79-1	EC Number 231-818-8	Linear Formula KNO₃	MDL Number MFCD00011409
Molar Mass 101 g/mol

Property	Value
Assay	99.0 - 100.5 %
Assay (calculated 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 solution	complying
Acidity or alkalinity	complying
Reducible impurities	complying
Residual solvents	complying
Identity on K	complying
Identity on NO₃	complying

Property	Value
Boiling Point/Range	Not applicable
Certification	Ph. Eur., FCC, USP, E252
Color	Colorless
Density	2.11 g/cm3 (20 °C)
Flashpoint	Not applicable
Form	Crystalline
Grade	Reagent Pharmacopeia Salts
Incompatible Materials	Heavy metals, Reducing agents, Combustible material, Acids, Thiocyanates, Cyanides
Lower Explosion Limit	Not applicable
Melting Point/Range	335 °C (1.013 hPa)
Partition Coefficient	Not applicable
Purity Percentage	99.00
Purity Details	99.00-100.50%
Solubility in Water	357 g/l (25 °C)
Upper Explosion Limit	Not applicable
Vapor Pressure	No data available
Viscosity	Not applicable
pH-Value	5.5-7.5 at 50 g/l (20 °C)
Product Line	Puriss.
Storage Temperature	Ambient

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