grade
ACS reagent
Quality Level
vapor pressure
8 mmHg ( 20 °C)
Assay
68.0-70.0% (ACS specification)
70%
form
liquid
ign. residue
≤5 ppm
color
APHA: ≤10
pH
<1.0
bp
120.5 °C (lit.)
density
1.413 g/mL at 20 °C (lit.)
anion traces
chloride (Cl–): ≤0.5 ppm
sulfate (SO42-): ≤1 ppm
cation traces
As: ≤0.01 ppm
Fe: ≤0.2 ppm
heavy metals (as Pb): ≤0.2 ppm
SMILES string
O[N+]([O-])=O
InChI
1S/HNO3/c2-1(3)4/h(H,2,3,4)
InChI key
GRYLNZFGIOXLOG-UHFFFAOYSA-N