CHEBI:33118 - boric acid

ChEBI IDCHEBI:33118
ChEBI Nameboric acid
Stars
Secondary ChEBI IDsCHEBI:22911, CHEBI:31299, CHEBI:41248
Last Modified18 September 2025
SubmitterKirill Degtyarenko
DownloadsMolfile
FormulaH3BO3
Net Charge0
Average Mass61.833
Monoisotopic Mass62.01752
SMILES[H]OB(O[H])O[H]
InChIInChI=1S/BH3O3/c2-1(3)4/h2-4H
InChIKeyKGBXLFKZBHKPEV-UHFFFAOYSA-N
Roles Classification
Chemical Roles:
inorganic acid  A Brønsted acid derived from one or more inorganic compounds. Inorganic acids (also known as mineral acids) form hydrons and conjugate base ions when dissolved in water.
Bronsted acid  A molecular entity capable of donating a hydron to an acceptor (Brønsted base).
Bronsted acid  A molecular entity capable of donating a hydron to an acceptor (Brønsted base).
Application:
astringent  A compound that causes the contraction of body tissues, typically used to reduce bleeding from minor abrasions.
ChEBI Ontology
Outgoing Relation(s)
boric acid (CHEBI:33118) has role astringent (CHEBI:74783)
boric acid (CHEBI:33118) is a boric acids (CHEBI:59765)
boric acid (CHEBI:33118) is conjugate acid of dihydrogenborate (CHEBI:29254)
Incoming Relation(s)
borates (CHEBI:22910) has functional parent boric acid (CHEBI:33118)
hydroperoxo(trihydroxo)borate(1−) (CHEBI:30177) has functional parent boric acid (CHEBI:33118)
dihydrogenborate (CHEBI:29254) is conjugate base of boric acid (CHEBI:33118)
IUPAC Name 
trihydroxidoboron
Synonyms  Source
H3BO3IUPAC
[B(OH)3]MolBase
boric acidIUPAC
B(OH)3NIST Chemistry WebBook
boron trihydroxideNIST Chemistry WebBook
BORIC ACIDPDBeChem
Manual XrefsDatabases
BO3PDBeChem
C12486KEGG COMPOUND
1644MolBase
D01089KEGG DRUG
3035DrugCentral
2136PPDB
2136BPDB
Registry NumbersSources
Gmelin:1585Gmelin
CAS:10043-35-3ChemIDplus
CAS:11113-50-1ChemIDplus
CAS:10043-35-3NIST Chemistry WebBook
CAS:10043-35-3KEGG COMPOUND