Concentrated nitric acid (69 to 71%) is a transparent, colorless or yellowish fuming, suffocating, hygroscopic, corrosive liquid. Attacks almost all metals. Miscible with water and decomposes in alcohol. Dangerous fire risk in contact with organic materials. Highly toxic by inhalation, corrosive to skin and mucous membranes, strong oxidizer.
Nitric acid is commonly used to dissolve gold from printed circuits boards by making aqua regia, typically one part Nitric acid to three parts Hydrochloric acid.
Molarity: 15.7M
Specific Gravity: 1.4
Used in the following patina formulas:
For shipping, Nitric Acid is in hazardous materials Class 8: Corrosive Substances. It only ships to destinations within the 48 contiguous US states using Standard Ground. A HazMat fee applies. Adult signature required upon delivery. Shipping Nitric Acid to a residence is allowed but shipping to a commercial address is suggested.
