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Nile blue A (C.I. 51180), 10 g

~80 %
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Nile blue sulphate
Empirical formula C40H40N6O6S
Molar mass (M) 732,84 g/mol
Melting point (mp) >300 °C
WGK 1
CAS No. 3625-57-8
EG-Nr. 222-832-5

Redox indicator
Dissolve 0.1 g in 100 ml of water

Lipid staining dye, soluble in water (acidulated with H2SO4). It stains neutral lipids pink and acid lipids blue.
Product details

€37.55/Pack Qty. 

excl. VAT. | 10 g per Pack Qty.

Art. No. 4377.1

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from 24 Pack Qty. €33.80/Pack Qty.

Product details



Nile blue A (C.I. 51180) ~80 %

Lipid staining dye, soluble in water (acidulated with H2SO4). It stains neutral lipids pink and acid lipids blue.



Technical Information
Application saturated aqueous solution (acidulated with H2SO4
Dyeing dead cells blue 
Colour conversion blue - violet-red 
Soluble in Fat/oil 
Detection neutral lipids pink, acid lipids blue 
Ox. colour blue-red 
Transition range pH 10,2 - 13,0 
Red. colour colourless 
Redox potential E0[V] at pH=0 and 20 °C +0.41 
Use vitality test 
Nile blue A (C.I. 51180)
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Art. No. Pack Qty. Pack. Price Quantity
4377.1 10 g glass

€37.55

4377.2 5 g glass

€23.55

4377.3 25 g glass

€73.00

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Selected quantity:   0
  1. Subtotal:  0.00

Downloads / MSDS


General information

Indicators and Dyes

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


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Certificates of Analysis

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The following analysis certificates have been found:

Type analysis

Appearancedark green to black powder
Dye content~80 %
Suitability for microscopycomplies