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Indigo carmine

SKU: orb1217583

Description

Indigo carmine is an indolesulfonic acid. It is used as a dye in renal function testing for the detection of nitrates and chlorates.

Images & Validation

Key Properties

CAS Number860-22-0
MW466.35
Purity>98% (HPLC)
FormulaC16H8N2Na2O8S2
SMILESO=S(C1=CC2=C(N/C(C2=O)=C3NC4=C(C=C(S(=O)([O-])=O)C=C4)C\3=O)C=C1)([O-])=O.[Na+].[Na+]
TargetOthers
SolubilityH2O:18 mg/mL (38.60 mM; Need ultrasonic)

Bioactivity

In Vitro
Indigo carmine in a 0.2% aqueous solution is blue at pH 11.4 and yellow at 13.0. Indigo carmine is also a redox indicator, turning yellow upon reduction.

Storage & Handling

StorageStorage temperature: -20°C. Stability: ≥ 2 years
Expiration Date12 months from date of receipt.
DisclaimerFor research use only

Alternative Names

Indigotindisulfonate sodium | NSC 8646 | NSC-8646 | NSC8646 | Brilliant Indigo

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Indigo carmine (orb1217583)

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