Statements (31)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:dye
gptkb:chemical_compound gptkb:pH_indicator |
| gptkbp:appearance |
dark blue powder
|
| gptkbp:CASNumber |
860-22-0
|
| gptkbp:category |
gptkb:dye
gptkb:food gptkb:triarylmethane_dye sulfonated indigo dye |
| gptkbp:chemicalFormula |
C16H8N2Na2O8S2
|
| gptkbp:color |
blue
|
| gptkbp:discoveredBy |
late 19th century
|
| gptkbp:EC_number |
gptkb:E132
|
| gptkbp:IUPACName |
disodium 3,3'-dioxo-2,2'-biindoline-5,5'-disulfonate
|
| gptkbp:medicalUse |
detecting amniotic fluid leaks
renal function testing urinary tract visualization |
| gptkbp:meltingPoint |
>300°C (decomposes)
|
| gptkbp:molecularWeight |
466.35 g/mol
|
| gptkbp:otherName |
gptkb:Indigotine
gptkb:Acid_Blue_74 gptkb:FD&C_Blue_No._2 |
| gptkbp:pH_range_as_indicator |
11.4–13.0
|
| gptkbp:solubility |
water-soluble
|
| gptkbp:toxicity |
low
|
| gptkbp:uses |
gptkb:food
gptkb:medical_dye indicator in titrations |
| gptkbp:bfsParent |
gptkb:E761
|
| gptkbp:bfsLayer |
8
|
| https://www.w3.org/2000/01/rdf-schema#label |
Indigo carmine
|