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Nitric Acid

Product Information

Nitric acid is the inorganic compound with the formula HNO3. It is a highly corrosive mineral acid. The compound is colorless, but older samples tend to be yellow cast due to decomposition into oxides of nitrogen.
  • Product: Nitric Acid
  • Category: Chemicals

Nitric Acid

Nitric acid is the inorganic compound with the formula HNO3. It is a highly corrosive mineral acid. The compound is colorless, but older samples tend to be yellow cast due to decomposition into oxides of nitrogen. Most commercially available nitric acid has a concentration of 68% in water. When the solution contains more than 86% HNO3, it is referred to as fuming nitric acid. Depending on the amount of nitrogen dioxide present, fuming nitric acid is further characterized as red fuming nitric acid at concentrations above 86%, or white fuming nitric acid at concentrations above 95%.

Product Identification
Product NameCommercial Trade NamesC.A.S.  Registration Number 

 

Molecular Formula

 

Molecular Weight

Nitric Acid (98.5%)Concentrated Nitric Acid7697-37-2HNO363
Sales Specification 
AppearanceClear Colourless to Slightly yellow fuming liquid
Boiling Point174.12°C, Sublimes at ordinary temperature
Set Point46°C
Purity (By Titration)98.5% min
Other ImpuritiesSulphuric Acid: 0.2 % max
Nitrous Acid: 0.02% max
 Water: 1.5%max
  
Densityd420 1.5129 g/cm3
Moisture0.2% max
Packaging/ DispatchAluminium/Stainless Steel TankerHDPE drums/carboys
Physical and Chemical Properties 
Specific Gravity ( at 25°C)1.53
Application Manufacture of Dyes, Drugs, Explosives, Cellulose Nitrate, Nitrate Salts, Photo engraving, Metallurgy, Etching Steel, Ore floatationPreparation of Nitro CompoundsOxidizer in liquid propellants