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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
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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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1 of 4

This Item
86111169710B2759
Bismarck Brown R for microscopy (Bact., Hist.)

15000

Bismarck Brown R

Bismarck Brown Y certified by the Biological Stain Commission, Dye content 50 %

861111

Bismarck Brown Y

Methyl violet for microscopy (Bact., Bot., Hist.), indicator (pH 0.1-2.0), mixture of polymethylated pararosaniline hydrochlorides

69710

Methyl violet

Bismarck Brown Y (G)

B2759

Bismarck Brown Y (G)

solubility

methanol: 0.01 g/10 mL, red

solubility

H2O: 10 mg/mL, clear to turbid, red-orange to red

solubility

ethanol and water: 0.01 g/10 mL

solubility

-

form

powder or crystals

form

powder

form

powder or crystals

form

powder

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

diagnostic assay manufacturing
hematology
histology

application(s)

-

storage temp.

room temp

storage temp.

room temp

storage temp.

room temp

storage temp.

-

εmax

≥250 at 463-473 nm in 50% ethanol

εmax

-

εmax

≥1500 at 579-589 nm in 50% ethanol

εmax

-

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.[1]

Application

Bismarck Brown R has been used as an adsorbate and is used in dye decoloration experiment.[2][1]

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
  • Specification Sheet

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    Certificates of Analysis (COA)

    Lot/Batch Number
    BCCD4111
    BCCB0714
    BCBV9341
    1443416V
    1443416

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    Journal of Environmental Analytical Chemistry (2014)
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