Article No. 05950
Purity 99%
Molecular Formula NaNO3
H.S. Code 3102.5000
Grade AR/ACS
CAS No. 7631-99-4
Molecular Weight 84.99
Shelf Life 60 Months

Physical Properties

Physical state at 20 °C Solid Colour Colorless crystals
Odour Odorless Melting point/ Freezing point [°C] 306 °C
Boiling point [°C] 380°C Density [g/cm3] 2.26
Solubility in water [% weight] 81.5 g/100 g water @ 150C

Specifications

Appearance Colorless deliquescent crystals / White crystalline powder Assay (Titration after Ion exchange) Min 99%
pH (5% solution in water; 25°C) 5.5 - 8.3 Insoluble matter Max 0.005%
Chloride (Cl) Max 0.001% Iodate (IO3) Max 0.0005%
Nitrite (NO2) Max 0.001% Phosphate (PO4) Max 0.0005%
Sulphate (SO4) Max 0.003% Calcium (Ca) Max 0.005%
Magnesium (Mg) Max 0.002% Heavy metal (as Pb) Max 0.0005%
Iron (Fe) Max 0.0003%

Safety Information and Hazard Symbols

Flame Over Circle Exclamation Mark            

Symbol: GHS03, GHS07
Signal Word: Warning
UN No.: 1498
IMCO Class No.: 5.1
Packing Group: III
Hazardous Statement: H272-H302-H315-H319-H335
Precaution Statement: P220-P261-P305 + P351 + P338