Bismarck brown R, C.I. 21010, for microscopy
- Synonyms: Basic brown 4, Vesuvin, 4,4'-(1,3-Phenylenebis(azo))bis(1,3-benzenediamine)r- C21H24N8·2HClr- M = 461,40 g/molr- CAS [5421-66-9]r- EINECS-No.: 226-541-4r- Melting point: 222 ºCr- Tariff number: 2927 00 00 90r- Applications: dye (for biology, cosmetics).rrSPECIFICATIONSrAbsorption maximum l (in H2O): 463 - 467 nm rAbsorptivity (A1%/1 cm; l1 max) : min. 250 rrelated substances (TLC): passes testrloss on drying (110 ºC): max. 10 %r
- Synonyms: Basic brown 4, Vesuvin, 4,4'-(1,3-Phenylenebis(azo))bis(1,3-benzenediamine)r- C21H24N8·2HClr- M = 461,40 g/molr- CAS [5421-66-9]r- EINECS-No.: 226-541-4r- Melting point: 222 ºCr- Tariff number: 2927 00 00 90r- Applications: dye (for biology, cosmetics).rrSPECIFICATIONSrAbsorption maximum l (in H2O): 463 - 467 nm rAbsorptivity (A1%/1 cm; l1 max) : min. 250 rrelated substances (TLC): passes testrloss on drying (110 ºC): max. 10 %r
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