Toggle navigation
Search
Tree View
MeSH on Demand
MeSH 2024
About
Suggestions
Contact Us
Nitrous Acid
MeSH Descriptor Data 2025
Details
Qualifiers
MeSH Tree Structures
Concepts
MeSH Heading
Nitrous Acid
Tree Number(s)
D01.029.260.575
D01.625.600
Unique ID
D009608
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D009608
Annotation
do not confuse with
NITRIC ACID
Scope Note
Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed)
Registry Numbers
T2I5UM75DN
Related Numbers
7782-77-6
CAS Type 1 Name
Nitrous acid
Public MeSH Note
91; was see under NITRITES 1975-90
Online Note
search NITRITES 1966-74
History Note
91(75); was see under NITRITES 1975-90
Date Established
1991/01/01
Date of Entry
1999/01/01
Revision Date
2013/07/08
Allowable Qualifiers
administration & dosage (AD)
adverse effects (AE)
agonists (AG)
analysis (AN)
antagonists & inhibitors (AI)
blood (BL)
cerebrospinal fluid (CF)
chemical synthesis (CS)
chemistry (CH)
classification (CL)
economics (EC)
history (HI)
immunology (IM)
isolation & purification (IP)
metabolism (ME)
pharmacokinetics (PK)
pharmacology (PD)
poisoning (PO)
radiation effects (RE)
standards (ST)
supply & distribution (SD)
therapeutic use (TU)
toxicity (TO)
urine (UR)
Inorganic Chemicals [D01]
Acids [D01.029]
Acids, Noncarboxylic [D01.029.260]
Boric Acids [D01.029.260.093]
Borinic Acids [D01.029.260.100]
Boronic Acids [D01.029.260.110]
Carbonic Acid [D01.029.260.150]
Hydrobromic Acid [D01.029.260.300]
Hydrochloric Acid [D01.029.260.326]
Hydrofluoric Acid [D01.029.260.328]
Hydrogen Cyanide [D01.029.260.330]
Hydrogen Sulfide [D01.029.260.340]
Hypochlorous Acid [D01.029.260.365]
Nitric Acid [D01.029.260.550]
Nitrous Acid [D01.029.260.575]
Perchlorates [D01.029.260.650]
Periodic Acid [D01.029.260.675]
Phosphorus Acids [D01.029.260.700]
Silicic Acid [D01.029.260.863]
Sulfur Acids [D01.029.260.877]
Inorganic Chemicals [D01]
Nitrogen Compounds [D01.625]
Ammonia [D01.625.050]
Ammonium Compounds [D01.625.062]
Azides [D01.625.100]
Cisplatin [D01.625.125]
Cyanogen Bromide [D01.625.175]
Hydrogen Cyanide [D01.625.400]
Nitric Acid [D01.625.525]
Nitrogen Oxides [D01.625.550]
Nitrous Acid [D01.625.600]
Nitrites [D01.625.600.600]
Peroxynitrous Acid [D01.625.600.800]
Reactive Nitrogen Species [D01.625.700]
Ruthenium Red [D01.625.800]
Expand All
Collapse All
Nitrous Acid
Preferred
Concept UI
M0014926
Registry Numbers
T2I5UM75DN
Related Numbers
7782-77-6
Scope Note
Nitrous acid (HNO2). A weak acid that exists only in solution. It can form water-soluble nitrites and stable esters. (From Merck Index, 11th ed)
Terms
Nitrous Acid
Preferred Term
Term UI
T028597
Date
01/01/1999
LexicalTag
NON
ThesaurusID
page delivered in 0.168s