Nitric acid（HNO3）

Nitric acid is a colorless and transparent liquid. It is a strong acid with strong oxidizing and corrosive properties, and has a suffocating and irritating odor. Can be used in industry to produce fertilizers, pesticides, explosives, dyes, salts, etc. The content of dilute nitric acid is about 68%, which is volatile and produces white mist in the air. It can form an azeotropic mixture with water. Relative density 1.41, boiling point 120.5 ℃ (68%).