Nitric Acid, >40%

Nitric Acid, >40% (HNO3) is a pale yellow to red liquid generating red-brown fumes and suffocating odor. The chemical is very toxic by inhalation and is a corrosive, strong oxidizing agent; water- and air-reactive. Even though it is not flammable, we still recommend a secure chemical storage building or container that meets specific regulations for storing Nitric Acid, >40%. That’s why we suggest one of the following: CHEMLoc, DRUMLoc

Nitric Acid, >40% Storing Details

  • Flammable Details: Strong oxidizing agent.
  • Storage Details: Keep separated from incompatible substances. Store and handle in accordance with all current regulations and standards. Store in compliant chemical storage building.
  • Compatible Details: Combustible materials, metallic powders, hydrogen sulfide, carbides, alcohols [Note: Reacts with water to produce heat. Corrosive to metals.]
  • Description: Nitric acid, also known as aqua fortis and spirit of niter, is a highly corrosive strong mineral acid. The pure compound is colorless, but older samples tend to acquire a yellow cast due to decomposition into oxides of nitrogen and water.
  • Classification: CLASS 8
  • Brand Name: n/a

Nitric Acid, >40% Properties

Formula Density Boiling Point; IUPAC ID Molar Mass Soluble In Melting Point
HNO3 1.51 g/cm³ 181.°F (8°C) Nitric acid 63.01 g/mol Water -43°F (-4°C)




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