POTASSIUM NITRITE Extra Pure

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC1754 Extra Pure 95% 7758-09-0 KNO2 85.11 2834.2100 60 Months

Packings

500 g

Physical Properties

Physical state at 20 °C Solid
Colour Pale yellow crystals
Odour Odorless
pH value 7 - 10
Melting point/ Freezing point [°C] 350 °C
Vapour density 2.9
Density [g/cm3] 1.915
Solubility in water [% weight] 300g in 100g of water
Oxidising properties The substance or mixture is classified as oxidizing with the subcategory 2

Specifications

Appearance White to light yellow hygroscopic crystalline powder
Assay (oxidimetric) Min 95.0%
Insoluble matter in water Max 0.05%
Loss on drying Max 1.0%
Chloride (Cl) Max 0.03%
Sulphate (SO4) Max 0.01%
Heavy metal (as Pb) Max 0.005%
Calcium (Ca) Max 0.05%
Iron (Fe) Max 0.002%

Safety Information and Hazard Symbols

Flame Over Circle Skull and Crossbones Environment
Symbol GHS03, GHS06, GHS09
Signal Word Danger
UN No. 1488
IMCO Class No. 5.1
Packing Group II
Hazardous Statement H272-H301-H400
Precaution Statement P220-P273-P301 + P310
Risk Statement
Safety Statement
Revision Date : 19-Nov-2019