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CAS 7697-37-2

CAS 7697-37-2 matches 0 EU annex records across Annex II–VI of Regulation 1223/2009.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 7697-37-2
CAS 7697-37-2PubChem CID 944

Nitric Acid

Nitric acid is a nitrogen oxoacid of formula HNO3 in which the nitrogen atom is bonded to a hydroxy group and by equivalent bonds to the remaining two oxygen atoms. It has a role as a reagent and a protic solvent. It is a conjugate acid of a nitrate. — ChEBI

IUPAC name
nitric acid
Molecular formula
HNO3
Molecular weight
63.013 g/mol
Exact mass
62.995642894 Da
XLogP3
0.2
Topological polar surface area
66.1 Ų
Hydrogen-bond donors
1
Hydrogen-bond acceptors
3
Covalent units
1
Defined stereocentres
0

Also known as

Azotic acidAqua fortisSalpetersaeureNitalHNO3Acide nitriqueAcidum nitricumNitricum acidum
16 more reported names
Nitrous fumesNitryl hydroxideEngraver's acidSalpetersaureRFNAAcido nitricoAzotowy kwasKyselina dusicneSalpeterzuuroplossingenNitric acid, anhydrousacide azotiqueHONO2trioxonitric acidNitric acid (red fuming)411VRN1TV4hydroxidodioxidonitrogen
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External database identifiers

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Records for CAS 7697-37-2

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How CAS 7697-37-2 is used on this site

CAS 7697-37-2 is the Chemical Abstracts Service identifier used to pin this page to a specific substance. In the current dataset, 0 EU annex records share this identifier, which helps you cross-check whether the same substance appears under one regulatory context or several.

Use this page when a supplier specification, SDS or raw-material dossier gives you CAS 7697-37-2 and you need to see every linked Annex II–VI record in one place. The entry cards above are the quickest route to concentration limits, warnings, annex placement and product-type conditions.