Statements (23)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:chemical_compound
gptkb:vitamin_A gptkb:naphthoquinone |
| gptkbp:alsoKnownAs |
gptkb:menadione
|
| gptkbp:appearance |
yellow crystals
|
| gptkbp:CASNumber |
58-27-5
|
| gptkbp:chemicalFormula |
C11H8O2
|
| gptkbp:discoveredBy |
Karrer
|
| gptkbp:discoveredIn |
1939
|
| gptkbp:hasRole |
gptkb:vitamin_A
provitamin K |
| https://www.w3.org/2000/01/rdf-schema#label |
2-methyl-1,4-naphthoquinone
|
| gptkbp:IUPACName |
gptkb:2-methylnaphthalene-1,4-dione
|
| gptkbp:meltingPoint |
105–107 °C
|
| gptkbp:molecularWeight |
172.18 g/mol
|
| gptkbp:solubility |
insoluble
|
| gptkbp:solubilityInEthanol |
soluble
|
| gptkbp:solubilityInEther |
soluble
|
| gptkbp:toxicity |
toxic in high doses
|
| gptkbp:uses |
dietary supplement
pharmaceutical intermediate |
| gptkbp:bfsParent |
gptkb:menadione
|
| gptkbp:bfsLayer |
5
|