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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:
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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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