Statements (51)
Predicate | Object |
---|---|
gptkbp:instance_of |
gptkb:carbon_fiber
|
gptkbp:characteristic |
birefringent
|
gptkbp:chemical_formula |
S8
|
gptkbp:color |
gptkb:yellow
pale yellow |
gptkbp:composed_by |
cooling molten sulfur
sublimation of sulfur |
gptkbp:cooling_system |
0.2 W/(m· K)
|
gptkbp:difficulty |
1.5 on Mohs scale
|
gptkbp:discovered_by |
gptkb:Johan_Gottlieb_Gahn
gptkb:19th_century |
gptkbp:discovery_year |
1832
|
gptkbp:dissolved |
insoluble
|
gptkbp:environmental_impact |
low impact
|
gptkbp:financial_stability |
stable at room temperature
|
https://www.w3.org/2000/01/rdf-schema#label |
monoclinic sulfur
|
gptkbp:isorange |
orthorhombic sulfur
plastic sulfur |
gptkbp:melting_point |
113.7 ° C
444.6 ° C |
gptkbp:notable_conductors |
insulator
|
gptkbp:occurs_in |
sulfur mines
volcanic deposits |
gptkbp:phase_transition |
melts to liquid sulfur
sublimes to gas |
gptkbp:population_density |
2.07 g/cm³
|
gptkbp:related_products |
sulfuric acid
sulfur dioxide sulfates sulfides |
gptkbp:related_to |
orthorhombic sulfur
plastic sulfur |
gptkbp:safety |
non-toxic
irritant to skin and eyes |
gptkbp:solubility_in_benzene |
soluble
|
gptkbp:structure |
monoclinic
prismatic crystals tabular crystals |
gptkbp:transformation_temperature |
96 ° C
|
gptkbp:uses |
used in photography
used in fertilizers used in pharmaceuticals used in fireworks used in matches used in the production of sulfuric acid used in gunpowder used in pesticides used in vulcanization of rubber |
gptkbp:weight |
256.52 g/mol
|
gptkbp:bfsParent |
gptkb:Sulphur
|
gptkbp:bfsLayer |
7
|