Statements (49)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
phenolic acid trihydroxybenzoic acid |
| gptkbp:appearance |
white to pale yellow crystalline powder
|
| gptkbp:aroma |
odorless
|
| gptkbp:CASNumber |
149-91-7
|
| gptkbp:chemicalFormula |
C7H6O5
|
| gptkbp:contains_functional_group |
gptkb:carboxylic_acid
phenol |
| gptkbp:density |
1.694 g/cm³
|
| gptkbp:discoveredBy |
gptkb:Carl_Wilhelm_Scheele
|
| gptkbp:discoveredIn |
1786
|
| gptkbp:EC_number |
E313
|
| gptkbp:flavor |
slightly acidic
|
| gptkbp:foundIn |
gptkb:witch_hazel
sumac tea leaves gallnuts oak bark |
| https://www.w3.org/2000/01/rdf-schema#label |
Gallic acid
|
| gptkbp:IUPACName |
gptkb:3,4,5-Trihydroxybenzoic_acid
|
| gptkbp:meltingPoint |
251 °C
|
| gptkbp:molecularWeight |
170.12 g/mol
|
| gptkbp:pKa |
4.40
|
| gptkbp:producedBy |
hydrolysis of tannins
|
| gptkbp:PubChem_CID |
370
CHEBI:30778 |
| gptkbp:relatedTo |
gptkb:pyrogallol
ellagic acid |
| gptkbp:solubility |
slightly soluble
|
| gptkbp:toxicity |
low
|
| gptkbp:used_in |
analytical chemistry
pharmaceuticals food industry antimicrobial agents dye manufacture antifungal agents photographic developers antioxidant supplements antiviral agents ink manufacture |
| gptkbp:usedFor |
antioxidant
astringent precursor to dyes precursor to inks standard for phenol content determination |
| gptkbp:UV_absorption |
maximum at 260 nm
|
| gptkbp:bfsParent |
gptkb:Henna
|
| gptkbp:bfsLayer |
6
|