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Indigo carmine (C.I. 73015), 100 g

for microscopy
Examples of effect: Lead to damage to heath, cause irritation to eyes, skin or respiratory organs. Are fatal in larger quantities. Safety: As previously stated, in the event of skin irritation or contact with eyes, rinse with water or a suitable medium.
i may cause an allergic skin reaction
P280 P302+P352 P333+P313
i wear protective gloves/eye protection, IF ON SKIN: Wash with plenty of water/..., if skin irritation or rash occurs: Get medical advice/attention
Pack Qty.
Indigotine, E 132
Empirical formula C16H8N2Na2O8S2
Molar mass (M) 466,36 g/mol
Density (D) 0,714 g/cm³
Flash point (flp) >250 °C
Melting point (mp) >340 °C
CAS No. 860-22-0
EG-Nr. 212-728-8

Indicator pH 11.5-13.0
Dissolve 0.05 g in 100 ml of water

€71.95/Pack Qty. 

excl. VAT. | 100 g per Pack Qty.

Art. No. 5156.3

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Product details

Indigo carmine (C.I. 73015) for microscopy

Technical Information
Colour conversion blue - yellow 
Ox. colour blue 
Transition range pH 11,5 - 14,0 
Red. colour yellowish 
Redox potential E0[V] at pH=0 and 20 °C +0.29 
Indigo carmine (C.I. 73015)
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Art. No. Pack Qty. Pack. Price Quantity
5156.1 10 g glass


5156.2 25 g glass


5156.3 100 g glass


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Downloads / MSDS

General information

Indicators and Dyes

Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Type analysis

Absorption max. (in H2O)596-626 nm
Loss on drying (110 °C)≤5 %
Suitability for microscopycomplies