Technical Data Sheet
Bismarck brown R (C.I. 21010), 25 g, plastic
From Carl ROTH
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
Molar mass (M) 461,40 g/mol
Melting point (mp) 222 °C
WGK 1
CAS No. 5421-66-9
EG-Nr. 226-541-4
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.
Basic azo dye, for modified Coomassie Blue-staining.
Basic azo dye, for modified Coomassie Blue-staining.
€26.80/Pack Qty.
excl. VAT. | 25 g per Pack Qty.
Art. No. 0316.1
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Product details
Bismarck brown R (C.I. 21010) for microscopy
Technical Information
| Dyeing | living cells brownish |
| Use | vitality test |
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| Art. No. | Pack Qty. | Pack. | Price | Quantity | |
|---|---|---|---|---|---|
| 0316.1 | 25 g | plastic |
€26.80 |
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| 0316.2 | 100 g | glass |
€80.10 |
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Downloads / MSDS
Certificates of Analysis
Type analysis
| Appearance | brownish-black powder |
| Loss on drying (60 °C) | ≤1,0 % |
| Absorption max. (ethanol 50 %) | 468 nm |