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15000

Sigma-Aldrich

Bismarck Brown R

for microscopy (Bact., Hist.)

Synonym(s):

Basic Brown 4, Vesuvine

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About This Item

Empirical Formula (Hill Notation):
C21H24N8 · 2HCl
CAS Number:
5421-66-9
Molecular Weight:
461.39
Colour Index Number:
21010
Beilstein/REAXYS Number:
1829673
EC Number:
226-541-4
MDL number:
MFCD00036386
UNSPSC Code:
12171500
PubChem Substance ID:
57647257
NACRES:
NA.47

grade

for microscopy (Bact., Hist.)

form

powder or crystals

mp

222 °C (dec.) (lit.)

solubility

methanol: 0.01 g/10 mL, red

εmax

≥250 at 463-473 nm in 50% ethanol

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

Cl[H].Cl[H].Cc1cc(\N=N\c2ccc(C)c(c2)\N=N\c3cc(C)c(N)cc3N)c(N)cc1N

InChI

1S/C21H24N8.2ClH/c1-11-4-5-14(26-28-20-6-12(2)15(22)9-17(20)24)8-19(11)27-29-21-7-13(3)16(23)10-18(21)25;;/h4-10H,22-25H2,1-3H3;2*1H/b28-26+,29-27+;;

InChI key

WLKAMFOFXYCYDK-CYXDXXRZSA-N

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General description

Bismark Brown R (BB), also called as basic brown 4, belongs to the class of diazo dyes. It has the absorption maximum at 468nm.

Application

Bismarck Brown R has been used as an adsorbate and is used in dye decoloration experiment.

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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