|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
pale blue liquid or solid
|
|
gptkbp:aroma
|
odorless
|
|
gptkbp:band
|
double bond
|
|
gptkbp:boilingPoint
|
-182.962 °C
|
|
gptkbp:CASNumber
|
7782-44-7
|
|
gptkbp:chemicalFormula
|
gptkb:O2
|
|
gptkbp:color
|
colorless
|
|
gptkbp:criticalFor
|
154.59 K, 5.043 MPa
|
|
gptkbp:densityAtSTP
|
1.429 g/L
|
|
gptkbp:discoveredBy
|
gptkb:Carl_Wilhelm_Scheele
gptkb:Joseph_Priestley
|
|
gptkbp:discoveredIn
|
1774
|
|
gptkbp:EC_number
|
231-956-9
|
|
gptkbp:foundIn
|
gptkb:Earth's_atmosphere
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
O2
|
|
gptkbp:inhalation
|
can cause oxygen toxicity at high concentrations
|
|
gptkbp:isotopes
|
gptkb:16O
gptkb:17O
gptkb:18O
|
|
gptkbp:IUPACName
|
dioxygen
|
|
gptkbp:meltingPoint
|
-218.79 °C
|
|
gptkbp:molecularGeometry
|
linear
|
|
gptkbp:molecularWeight
|
31.9988 g/mol
|
|
gptkbp:NFPA704
|
Health: 0, Flammability: 0, Instability: 0, Special: OX
|
|
gptkbp:oxidationStates
|
0
|
|
gptkbp:oxidizer
|
true
|
|
gptkbp:paramagnetic
|
true
|
|
gptkbp:percentageInAtmosphere
|
~21%
|
|
gptkbp:producedBy
|
photosynthesis
|
|
gptkbp:PubChem_CID
|
977
|
|
gptkbp:requires
|
aerobic respiration
|
|
gptkbp:riskFactor
|
supports combustion
H270, H280
|
|
gptkbp:RTECSNumber
|
RS2060000
|
|
gptkbp:solubility
|
0.049 g/L at 20°C
|
|
gptkbp:standardEnthalpyOfFormation
|
0 kJ/mol
|
|
gptkbp:standardGibbsFreeEnergyOfFormation
|
0 kJ/mol
|
|
gptkbp:standardMolarEntropy
|
205.152 J/(mol·K)
|
|
gptkbp:stateAtSTP
|
gptkb:gasoline
|
|
gptkbp:storage
|
high-pressure cylinders
|
|
gptkbp:symbol
|
gptkb:O2
|
|
gptkbp:triplePoint
|
54.36 K, 0.1463 kPa
|
|
gptkbp:UNNumber
|
gptkb:UN1072
|
|
gptkbp:usedIn
|
water treatment
medical breathing gas
welding
industrial processes
|
|
gptkbp:bfsParent
|
gptkb:Otemachi_Station
gptkb:Bring_'Em_Out_Live_(album)
gptkb:Oxygen
gptkb:gravitational_wave_event
gptkb:O2_Apollo_Manchester
gptkb:VIRGO
gptkb:LIGO_gravitational_wave_detections
gptkb:O-class_cruiser_(planned)
|
|
gptkbp:bfsLayer
|
5
|