Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
|
| gptkbp:appearance |
colorless to white crystalline solid or liquid
|
| gptkbp:boilingPoint |
45 °C
|
| gptkbp:CASNumber |
7446-11-9
|
| gptkbp:chemicalFormula |
SO3
|
| gptkbp:containsElement |
gptkb:sulfur
oxygen |
| gptkbp:density |
1.92 g/cm³ (solid)
|
| gptkbp:EC_number |
231-197-3
|
| gptkbp:GHSClassification |
corrosive
health hazard |
| https://www.w3.org/2000/01/rdf-schema#label |
sulfur trioxide
|
| gptkbp:isConjugateBaseOf |
hydrogensulfate
trioxidosulfate(2-) |
| gptkbp:IUPACName |
gptkb:sulfur_trioxide
|
| gptkbp:meltingPoint |
16.9 °C
|
| gptkbp:molecularWeight |
80.066 g/mol
|
| gptkbp:oxidationStates |
+6
|
| gptkbp:producedBy |
oxidation of sulfur dioxide
|
| gptkbp:PubChem_CID |
1118
|
| gptkbp:relatedTo |
sulfuric acid
sulfur dioxide |
| gptkbp:riskFactor |
toxic
corrosive reacts violently with water |
| gptkbp:solubility |
reacts violently
|
| gptkbp:structure |
trigonal planar
|
| gptkbp:UNNumber |
UN 1829
|
| gptkbp:uses |
production of sulfuric acid
sulfonation agent |
| gptkbp:bfsParent |
gptkb:Sulfuric_acid
|
| gptkbp:bfsLayer |
6
|