Substance Details - Sodium nitrite

Core Metadata
Internal Tracking Number: 152058
Substance Status: Approved
Chemical Substance
Sodium nitrite
Chemical Identification
Nitrous acid, sodium salt (1:1)
Chemical Abstracts Index Name

Associated Identifiers This section provides other identifiers associated with this substance, including former CAS numbers, incorrectly used CAS numbers, and retired EPA Identifiers.

56227-20-4, 82998-40-1, 82497-43-6, 32863-15-3
Structure Notation Type Notation
SMILES [O-]N=O.[Na+]
Synonym Below are the EPA applications/systems, statutes/regulations, or other sources that track or regulate this substance. This table shows how each list refers to the substance. To view more metadata about the specific Synonym, click on the Synonym. If you are the steward of that Synonym you will also be able to edit it. If you do not see your substance list name, click on the "Add Substance to List" button below.


EPA Applications/Systems

Other Sources

Ad Hoc List
There are no Synonyms of this type.

EPA Synonyms
EPA Synonym Synonym Synonym Quality Effective Date End Date
EPA Nitrous acid, sodium salt Valid 01/20/2010

To associate this substance to a statute/regulation, application/system, other source, ad hoc list or to add a new Synonym, click the "Add Substance to List" button.
Component Of This substance exists as a component of the following substances.
Systematic Name Synonym CAS Number TSN EPA Identifier Effective Date End Date
Inorganics Inorganics E17001736
Sodium nitrite, mixt. with potassium nitrate Sodium nitrite, mixt. with potassium nitrate E17160946
Potassium nitrate, mixt. with sodium nitrite Potassium nitrate, mixt. with sodium nitrite E17160862
Related References Below are links to other sources of information about this substance.

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