National Cancer Institute Thesaurus

Last uploaded: June 2, 2026

Id	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C29823 http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C29823
Preferred Name	Hydroquinone
Definitions	Produced as an inhibitor, an antioxidant, and an intermediate in the synthesis of dyes, motor fuels, and oils; in photographic processing; and naturally in certain plant species, Hydroquinone is a phenol derivative with antioxidant properties that can cause toxicity in several organs, notably the kidney. Used as a topical treatment for skin hyperpigmentation and in various cosmetic products, it is metabolized mainly to glutathione conjugates and forms mutagenic DNA adducts in in-vitro systems. (NCI04)
Synonyms	HYDROQUINONE Hydroquinone 1,4-Benzenediol Benzoquinol
Type	http://www.w3.org/2002/07/owl#Class

label	Hydroquinone
Legacy Concept Name	Hydroquinone
CHEBI_ID	CHEBI:17594
Preferred_Name	Hydroquinone
Semantic_Type	Pharmacologic Substance Hazardous or Poisonous Substance
prefixIRI	Thesaurus:C29823
DEFINITION	Produced as an inhibitor, an antioxidant, and an intermediate in the synthesis of dyes, motor fuels, and oils; in photographic processing; and naturally in certain plant species, Hydroquinone is a phenol derivative with antioxidant properties that can cause toxicity in several organs, notably the kidney. Used as a topical treatment for skin hyperpigmentation and in various cosmetic products, it is metabolized mainly to glutathione conjugates and forms mutagenic DNA adducts in in-vitro systems. (NCI04)
UMLS_CUI	C0020306
code	C29823
Chemical_Formula	C6H6O2
subClassOf	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C45175
NSC Number	9247
type	http://www.w3.org/2002/07/owl#Class
CAS_Registry	123-31-9
FULL_SYN	HYDROQUINONE Hydroquinone 1,4-Benzenediol Benzoquinol
FDA_UNII_Code	XV74C1N1AE
Contributing_Source	FDA
Concept_In_Subset	http://ncicb.nci.nih.gov/xml/owl/EVS/Thesaurus.owl#C63923

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