Nitric acid
Ácido nítrico · Salpetersäure · حمض النتريك · Nitrat turşusu · Азотна киселина · Νιτρικό οξύ · نیتریک اسید · Acide nitrique · חומצה חנקתית · नाइट्रिक अम्ल · Salétromsav · Asam nitrat
| CAS | 7697-37-2 |
|---|---|
| EC | 231-714-2 |
| UN | 2031 |
| Formula | HNO3 |
| Molar mass | 63.013 g/mol |
| Relative density of the gas or vapour (air = 1) | 2.18 |
| GHS | Danger · H272, H314, H330 |
Nitric acid is a nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. It has a role as a reagent and a protic solvent. Nitric acid, other than red fuming appears as a pale yellow to reddish brown liquid with reddish brown vapors and a suffocating odor. Very toxic by inhalation. Corrosive to metals or tissue.