SODIUM NITRATE
SODIUM NITRATE AR/ACS
Short Name: SODIUM NITRATE
Synonym: Chile salpeter
Basic Details
Article No.
LG4214
Grade
AR/ACS
Purity
99%
CAS No.
7631-99-4
HS Code
3102.5000
Shelf Life
60 Months
Packings Avialable
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
Chemical Specifications
Appearance
Colorless deliquescent crystals / White crystalline powder
Assay
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 & Hazard Symbols
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