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CAS 7697-37-2
Nitric acid is a corrosive, pale yellow to reddish brown liquid with reddish brown vapors and a suffocating odor. It is highly toxic by inhalation and accelerates the burning of combustible materials.
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
The international HS code for NITRIC ACID (CAS 7697-37-2) is 2808.00.
2808.00
2808 00 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
nitric acid
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[N+](=O)(O)[O-]