|
gptkbp:instanceOf
|
gptkb:chemical_compound
dye
pH indicator
|
|
gptkbp:appearance
|
dark blue powder
|
|
gptkbp:CASNumber
|
860-22-0
|
|
gptkbp:category
|
dye
sulfonic acid
triarylmethane dye
pH indicator
food colorant
medical dye
sodium compound
|
|
gptkbp:chemicalFormula
|
C16H8N2Na2O8S2
|
|
gptkbp:color
|
blue
|
|
gptkbp:contains_functional_group
|
indigoid
sulfonate
|
|
gptkbp:discoveredBy
|
late 19th century
|
|
gptkbp:EC_number
|
gptkb:E132
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
Indigo Carmine
|
|
gptkbp:IUPACName
|
disodium 3,3'-dioxo-2,2'-biindoline-5,5'-disulfonate
|
|
gptkbp:medicalUse
|
renal function tests
urinary tract diagnostics
visualization of ureters
|
|
gptkbp:meltingPoint
|
decomposes
|
|
gptkbp:molecularWeight
|
466.35 g/mol
|
|
gptkbp:otherName
|
gptkb:Indigotine
gptkb:Acid_Blue_74
gptkb:FD&C_Blue_No._2
|
|
gptkbp:pH_indicator_color_change
|
blue to yellow
|
|
gptkbp:pH_indicator_range
|
11.4–13.0
|
|
gptkbp:regulates
|
gptkb:FDA
gptkb:EFSA
|
|
gptkbp:riskFactor
|
may cause allergic reactions
may cause skin and eye irritation
|
|
gptkbp:solubility
|
soluble
|
|
gptkbp:structureType
|
gptkb:chemical_compound
|
|
gptkbp:used_in_food_as
|
dye
|
|
gptkbp:uses
|
gptkb:food
indicator in titrations
medical dye
|
|
gptkbp:bfsParent
|
gptkb:Blue_2
|
|
gptkbp:bfsLayer
|
7
|