| gptkbp:instanceOf | gptkb:abbreviation gptkb:chemical_compound
 
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                                | gptkbp:appearance | colorless liquid 
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                                | gptkbp:aroma | acetone-like 
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                                | gptkbp:boilingPoint | 79.6°C 
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                                | gptkbp:CASNumber | 78-93-3 
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                                | gptkbp:chemicalFormula | C4H8O 
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                                | gptkbp:class | gptkb:VOC_(volatile_organic_compound) 
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                                | gptkbp:density | 0.805 g/cm³ 
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                                | gptkbp:flammability | true 
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                                | gptkbp:flashPoint | -6°C 
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                                | gptkbp:hasLD50 | 2737 mg/kg (rat, oral) 
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                                | gptkbp:isMiscibleWith | most organic solvents 
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                                | gptkbp:isSolubleIn | gptkb:beer gptkb:water
 gptkb:Ether
 
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                                | gptkbp:IUPACName | gptkb:Butan-2-one 
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                                | gptkbp:listedOn | gptkb:Annex_I_of_EU_Directive_67/548/EEC 
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                                | gptkbp:meltingPoint | -86°C 
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                                | gptkbp:molecularWeight | 72.11 g/mol 
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                                | gptkbp:notToBeConfusedWith | gptkb:MEK_(People's_Mujahedin_of_Iran) MEK (Mitogen-activated protein kinase kinase)
 
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                                | gptkbp:producedBy | dehydrogenation of 2-butanol 
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                                | gptkbp:refersTo | gptkb:Methyl_ethyl_ketone 
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                                | gptkbp:regulates | gptkb:EPA gptkb:EU
 gptkb:OSHA
 
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                                | gptkbp:riskFactor | H225 (Highly flammable liquid and vapor) H319 (Causes serious eye irritation)
 H336 (May cause drowsiness or dizziness)
 
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                                | gptkbp:synonym | gptkb:2-butanone gptkb:ethyl_methyl_ketone
 gptkb:methylpropanone
 
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                                | gptkbp:usedFor | gptkb:solvent gptkb:industrial_cleaner
 
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                                | gptkbp:usedIn | gptkb:textile_industry plastics
 adhesives
 coatings
 printing inks
 
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                                | gptkbp:vaporPressure | 90 mmHg (at 20°C) 
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                                | gptkbp:bfsParent | gptkb:MAPK/ERK_pathway gptkb:RAF_kinase
 
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                                | gptkbp:bfsLayer | 5 
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                                | https://www.w3.org/2000/01/rdf-schema#label | MEK 
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