Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
gptkb:phenolic_acid |
| gptkbp:appearance |
white to pale yellow crystalline powder
|
| gptkbp:CASNumber |
149-91-7
|
| gptkbp:chemicalFormula |
C7H6O5
|
| gptkbp:contains_functional_group |
gptkb:phenol
gptkb:carboxylic_acid |
| gptkbp:density |
1.694 g/cm³
|
| gptkbp:discoveredBy |
gptkb:Carl_Wilhelm_Scheele
|
| gptkbp:discoveredIn |
1786
|
| gptkbp:EC_number |
E313
|
| gptkbp:foundIn |
gptkb:tea_leaves
gptkb:witch_hazel sumac gallnuts oak bark |
| gptkbp:IUPACName |
3,4,5-trihydroxybenzoic acid
|
| gptkbp:meltingPoint |
250 °C (decomposes)
|
| gptkbp:molecularWeight |
170.12 g/mol
|
| gptkbp:pKa |
4.40
|
| gptkbp:PubChem_CID |
370
CHEBI:30778 |
| gptkbp:solubility |
slightly soluble
|
| gptkbp:structureType |
gptkb:benzoic_acid_derivative
|
| gptkbp:usedFor |
gptkb:antioxidant
gptkb:dye astringent pharmaceutical intermediate ink ingredient |
| gptkbp:bfsParent |
gptkb:calotype_process
|
| gptkbp:bfsLayer |
6
|
| https://www.w3.org/2000/01/rdf-schema#label |
gallic acid
|