| gptkbp:instanceOf | gptkb:phenol gptkb:chemical_compound
 
 | 
                        
                            
                                | gptkbp:appearance | white granular solid 
 | 
                        
                            
                                | gptkbp:ATCCode | D11AX06 
 | 
                        
                            
                                | gptkbp:boilingPoint | 285 °C 
 | 
                        
                            
                                | gptkbp:CASNumber | 123-31-9 
 | 
                        
                            
                                | gptkbp:category | gptkb:antioxidant photographic chemical
 skin depigmenting agent
 
 | 
                        
                            
                                | gptkbp:chemicalFormula | C6H6O2 
 | 
                        
                            
                                | gptkbp:contraindication | hypersensitivity pregnancy (caution)
 
 | 
                        
                            
                                | gptkbp:density | 1.32 g/cm³ 
 | 
                        
                            
                                | gptkbp:discoveredBy | gptkb:Friedrich_Wöhler 
 | 
                        
                            
                                | gptkbp:discoveredIn | 1843 
 | 
                        
                            
                                | gptkbp:EC_number | 204-617-8 
 | 
                        
                            
                                | gptkbp:excretion | urine 
 | 
                        
                            
                                | gptkbp:hasInChIKey | InChI=1S/C6H6O2/c7-5-1-2-6(8)4-3-5/h1-4,7-8H QIGBRXMKCJKVMJ-UHFFFAOYSA-N
 
 | 
                        
                            
                                | gptkbp:hasSMILES | C1=CC(=CC=C1O)O 
 | 
                        
                            
                                | gptkbp:IUPACName | benzene-1,4-diol 
 | 
                        
                            
                                | gptkbp:KEGGID | C06592 
 | 
                        
                            
                                | gptkbp:legalStatus | prescription only (in some countries) 
 | 
                        
                            
                                | gptkbp:mechanismOfAction | inhibits melanin synthesis 
 | 
                        
                            
                                | gptkbp:meltingPoint | 172 °C 
 | 
                        
                            
                                | gptkbp:MeSH_ID | D006826 
 | 
                        
                            
                                | gptkbp:metabolism | liver 
 | 
                        
                            
                                | gptkbp:molecularWeight | 110.11 g/mol 
 | 
                        
                            
                                | gptkbp:oxidation_product | benzoquinone 
 | 
                        
                            
                                | gptkbp:pKa | 10.33 
 | 
                        
                            
                                | gptkbp:PubChem_CID | 785 16264
 CHEMBL634
 DB09526
 
 | 
                        
                            
                                | gptkbp:relatedTo | gptkb:catechol resorcinol
 
 | 
                        
                            
                                | gptkbp:riskFactor | toxic possible carcinogen
 skin irritant
 
 | 
                        
                            
                                | gptkbp:routeOfAdministration | topical 
 | 
                        
                            
                                | gptkbp:sideEffect | allergic reaction skin irritation
 ochronosis (rare)
 
 | 
                        
                            
                                | gptkbp:solubility | 5.9 g/100 mL (15 °C) 
 | 
                        
                            
                                | gptkbp:structure | benzene ring with two hydroxyl groups at para positions 
 | 
                        
                            
                                | gptkbp:UNII | 1YI146QSY5 
 | 
                        
                            
                                | gptkbp:uses | gptkb:antioxidant gptkb:photographic_developer
 skin depigmentation
 polymerization inhibitor
 
 | 
                        
                            
                                | gptkbp:bfsParent | gptkb:Phenol 
 | 
                        
                            
                                | gptkbp:bfsLayer | 7 
 | 
                        
                            
                                | https://www.w3.org/2000/01/rdf-schema#label | hydroquinone 
 |