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Indigo carmine, GR

Code: I 1275

Synonyms: Acid Blue 74, Indigo-5,5'-disulfonic acid disodium salt, Indigocarmine


AR / GR grade

C16H8N2Na2O8S2

32049000

466.35

Bottle / Drum
18%

AR / GR grade

C16H8N2Na2O8S2

32049000

466.35

Bottle / Drum

18%
PackingsPrice (INR)
25 gm 288.00
100 gm 963.00
1 kg 8982.00
25 kg POR
4 x 25 kg POR
Packings
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Properties
Dark blue-violet

Powder

>300 °C

10 g/L

73015

Description

Indigo carmine, or 5,5'-indigodisulfonic acid sodium salt, also known as indigotine or FD&C Blue #2, is a pH indicator with the chemical formula C16H8N2Na2O8S2.

Application

I 1275 (OTTO) Indigo carmine, GR Cas 860-22-0 - used as a pH indicator, often in a 0.2% aqueous solution. It is blue at pH 11.4 and yellow at 13.0. Indigo carmine is also a redox indicator, turning yellow upon reduction.

Safety Information
Hazard Symbols
 
  • Exclamation Mark

azard Codes Xn


Risk Statements 22
Safety Statements 22-24/25
WGK Germany 3

Documentation

Certificate Of Analysis

(For eg. B 1615-0108)

Other Documents

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DisclaimerThe above particulars do not release the customer from the obligation to carry out an inspection of goods received.
Not for medical, household or any other uses, for lab use only, Please test before use.


PackingsPrice (INR)
25 gm 288.00
100 gm 963.00
1 kg 8982.00
25 kg POR
4 x 25 kg POR