NLM Logo

Sodium Nitrite MeSH Descriptor Data 2025


MeSH Heading
Sodium Nitrite
Tree Number(s)
D01.625.600.600.800
D01.857.775
Unique ID
D012977
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D012977
Scope Note
Nitrous acid sodium salt. Used in many industrial processes, in meat curing, coloring, and preserving, and as a reagent in ANALYTICAL CHEMISTRY TECHNIQUES. It is used therapeutically as an antidote in cyanide poisoning. The compound is toxic and mutagenic and will react in vivo with secondary or tertiary amines thereby producing highly carcinogenic nitrosamines.
Pharm Action
Food Preservatives
Indicators and Reagents
Registry Numbers
M0KG633D4F
Related Numbers
7632-00-0
CAS Type 1 Name
Nitrous acid, sodium salt
Previous Indexing
Nitrites (1966-1978)
Sodium (1966-1978)
Public MeSH Note
91; was see under NITRITES 1979-90
History Note
91(79); was see under NITRITES 1979-90
Date Established
1991/01/01
Date of Entry
1978/03/15
Revision Date
2013/07/08
Sodium Nitrite Preferred
page delivered in 0.167s