HNO3
63.013 g/mol
Industrial ChemicalDanger
NITRIC ACID
CAS7697-37-2EC231-714-2
Category
Industrial Chemical
Compound Class
Organic Acid
Primary Use
production of ammonium nitrate fertilizer
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.
production of ammonium nitrate fertilizermetal cleaning and etchingmanufacturing of explosives
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.
Controlled substances
Substances on this list are tightly controlled under chemical-weapons or precursor regulations. ChemAbout does not facilitate their procurement; this page is a compliance reference only.
Relevant lists:CN Explosive Precursor Chemicals
CAS 7697-37-2
Related Compounds
StrongSame Parent
Zirconyl nitrate
CAS13826-66-9
Production of spinel cobalt oxides for coatings
ReferenceSame Category
Zirconyl chloride
CAS7699-43-6
precursor for zirconium compounds and antiperspirants
ReferenceSame Category
Zinc bromide
CAS7699-45-8
Manufacture of rayon and photographic emulsions
ReferenceSame Category
Diethyl diethylmalonate
CAS77-25-8
organic synthesis intermediate
ReferenceSame Category
Bisphenol B
CAS77-40-7
Manufacture of phenolic resins and polycarbonate
Referencestereoisomer of
(²H)Nitric acid
CAS13587-52-5
pharmaceutical intermediate
Safety Reference
Danger
H272May intensify fire; oxidizer
H314Causes severe skin burns and eye damage
H330Fatal if inhaled
H331Toxic if inhaled
H290May be corrosive to metals
H318Causes serious eye damage
H302Harmful if swallowed
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H402Harmful to aquatic life
H304May be fatal if swallowed and enters airways
Customs Tariff Classification
The international HS code for NITRIC ACID (CAS 7697-37-2) is 2808.00.
HS code (international, 6-digit)
2808.00
EU CN code (8-digit)
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.
Identifiers
IUPAC Name
nitric acid
InChIKey
GRYLNZFGIOXLOG-UHFFFAOYSA-N
SMILES
[N+](=O)(O)[O-]
Synonyms (95)
- HNO3
- HONO2
- RFNA
- Nitric acid, 70%, meets analytical specification of BP, Ph??Eur, Ph??Fran??, USP, FCC, E339
- Reagecon Nitric Acid Dilute Solution according to United States Pharmacopoeia (USP)
- 5% Nitric Acid Blank
- Acid, Nitric
- Acide nitrique
- Acide nitrique [French]
- Acido nitrico
- Acido nitrico [Italian]
- Acido nitrico [Spanish]
- Acidum nitricum
- Aqua fortis
- Azotic acid
- Azotowy kwas
- Azotowy kwas [Polish]
- Dimimorfan phosphate
- Engraver's acid
- Hydrogen nitrate
- Kyselina dusicne
- Kyselina dusicne [Czech]
- Medullipin II
- NITRIC ACID
- NITRIC ACID [MART.]
- NITRIC ACID, FUMING
- NO3 anion
- Nital
- Nitric Acid (65%)
- Nitric Acid (70%)
- Nitric Acid 5% W/V
- Nitric Acid Blank
- Nitric Acid, Dilute
- Nitric acid (38%)
- Nitric acid (67%)
- Nitric acid (70% or less)
- Nitric acid (NF)
- Nitric acid (red fuming)
- Nitric acid 30%, pure
- Nitric acid, 0.1 M
- Nitric acid, 1 M
- Nitric acid, 65-70%
- Nitric acid, ACS
- Nitric acid, AR, 69-72%
- Nitric acid, LR, 69-72%
- Nitric acid, anhydrous
- Nitric acid, gallium salt ( )
- Nitric acid, p.a.
- Nitric acid, puriss., 64-66%
- Nitric acid, reagent grade
- Nitricum acidum
- Nitricum acidum 200C
- Nitricum acidum 30C
- Nitrous fumes
- Nitryl hydroxide
- Red fuming nitric acid
- Salpetersaeure
- Salpetersaure
- Salpetersaure [German]
- Salpeterzuuroplossingen
- acide azotique
- hydrogen trioxonitrate(1-)
- hydroxidodioxidonitrogen
- nitroalcohol
- trioxonitric acid