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Bismarck brown R (C.I. 21010), 25 g, plastic

for microscopy
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Basic brown 4, Vesuvin R
Empirical formula C21H24N8 · 2 HCl
Molar mass (M) 461,40 g/mol
Melting point (mp) 222 °C
WGK 1
CAS No. 5421-66-9
EG-Nr. 226-541-4

Basic azo dye, for modified Coomassie Blue-staining.
Soluble in ethanol or methanol 1-3 %, low soluble in water (0.5 %). Used for staining of brown alga, for mucus and vital staining. Ingredient of staining solutions according to Papanicolaou.

€25.70/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. 0316.1

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from 6 Pack Qty. €24.42/Pack Qty.
from 24 Pack Qty. €23.13/Pack Qty.

Product details



Bismarck brown R (C.I. 21010) for microscopy

Technical Information
Dyeing living cells brownish 
Use vitality test 
Bismarck brown R (C.I. 21010)
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Art. No. Pack Qty. Pack. Price Quantity
0316.1 25 g plastic

€25.70

0316.2 100 g glass

€77.30

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Downloads / MSDS


Certificates of Analysis

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The following analysis certificates have been found:

Type analysis

Appearancebrownish-black powder
Loss on drying (60 °C)≤1,0 %
Absorption max. (ethanol 50 %)468 nm