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Indigo Carmine Solution — representative laboratory stock photo, not the actual product or supplied packaging

Other laboratory materials

Indigo Carmine Solution

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Article code
C4435
CAS
860-22-0
Category
Other laboratory materials
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Properties

Article / SKU
C4435
CAS
860-22-0
Synonyms
Acid Blue 74, Indigotindisulfonate sodium, Indigocarmine, Sodium 3,3'-dioxo-[2,2'-biindolinylidene]-5,5'-disulfonate, Indigocarmin, Indigotine, Food Blue No. 2
PubChem ID
2723854
Melting point
>300 °C (572 °F)
Molecular formula
C 16 H 8 N 2 Na 2 O 8 S 2
Molecular weight
466.4
Autoship Available
No

Packaging options — size and article

SizeArticle / SKU
100mlC4435-100ml
500mlC4435-500ml

Packaging options

  • 100ml
  • 500ml

Details

Indigo Carmine Solution, also known as Acid Blue 74 and Indigotindisulfonate Sodium has the chemical formula C 16 H 8 N 2 Na 2 O 8 S 2 . It appears as indigo to dark blue powder and its solution has a bluish-purple color. It is soluble in Water and Ethanol at ambient conditions. Indigo Carmine Solution contains 0.14% by weight of Phosphoric Acid, 0.08% by weight of Indigotrisulfonic Acid, Tripotassium Salt, and 99.78% by weight of Water. The color of this solution is easily discharged by Nitric Acid and Chlorates. Due to its high purity, Indigo Carmine Solution is highly recommended for use in laboratory and medical applications.

Indigo Carmine Uses : Food colorant, dye tests, detect amniotic fluid leaks, chromoendscopy, cystoscopy, obstetric surgery, urologic surgery, chromopertubation, endoscopy, amniocenteses, emr, GI procedures. Indigo Carmine is used for staining and labeling degenerative discs.

Indigo Carmine has been used to dye wool directly and silk from either a formic acid or sulfuric acid bath, and that wool and nylon are printed directly. Indigo Carmine is a colorant for nylon, surgical sutures, foods and ingested drugs. As a reagent for functional kidney tests, for detection of nitrates, chlorates and in testing milk.

Common Uses and Applications

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