Nitric Acid 68% - Азотная кислота 68% is a highly corrosive mineral acid and it’s aqua Fortis/Red Spirit of Nitre. When pure Nitric Acid, it is a clear, colowebsiteess, heavy liquid and has a peculiar and choking odor. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water. 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%.
Chemical Identifiers
CAS
7697-37-2
Molecular Formula
HNO3
Molecular Weight (g/mol)
63.012
MDL Number
11349
InChI Key
GRYLNZFGIOXLOG-UHFFFAOYSA-N
Synonym
hydrogen nitrate, aqua fortis, azotic acid, salpetersaeure, rfna, acidum nitricum, nital, acide nitrique, nitrous fumes, nitryl hydroxide
PubChem CID
944
ChEBI
CHEBI:48107
IUPAC Name
nitric acid
SMILES
[N+](=O)(O)[O-]
Specification
Color
Yellow
Quantity
2.5L
pH
1
Formula Weight
63.02g/mol
Physical Form
Liquid
Packaging
HDPE plastic bottle
Vapor Pressure
0.94kPa (20°C)
Melting Point
-41°C
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