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B8026

Sigma-Aldrich

Bromophenol Blue sodium salt

For molecular biology, powder

Synonym(s):

3′,3′′,5′,5′′-Tetrabromophenolsulfophthalein sodium salt

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About This Item

Empirical Formula (Hill Notation):
C19H9Br4NaO5S
CAS Number:
34725-61-6
Molecular Weight:
691.94
Beilstein:
6995701
EC Number:
252-170-2
MDL number:
MFCD00013793
UNSPSC Code:
12171500
PubChem Substance ID:
24892042
NACRES:
NA.47

product name

Bromophenol Blue sodium salt, for molecular biology, suitable for electrophoresis

grade

for molecular biology

Quality Level

200

form

powder

technique(s)

electrophoresis: suitable

visual transition interval

3.0-4.6, yellow to blue

ε (extinction coefficient)

≥150000 at 597-603 nm in H2O
≥17000 at 250-256 nm in H2O
≥23000 at 306-312 nm in H2O

suitability

suitable for (Suitable For Use as a Tracking Dye For Electrophoresis in Alkaline and Neutral Buffers)

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].Oc1c(Br)cc(cc1Br)C(=C2/C=C(Br)C(=O)C(Br)=C2)\c3ccccc3S([O-])(=O)=O

InChI

1S/C19H10Br4O5S.Na/c20-12-5-9(6-13(21)18(12)24)17(10-7-14(22)19(25)15(23)8-10)11-3-1-2-4-16(11)29(26,27)28;/h1-8,24H,(H,26,27,28);/q;+1/p-1

InChI key

TWKDJMRHSLWRFI-UHFFFAOYSA-M

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General description

Bromophenol blue (BroB), an arylmethane color marker dye has a molecular mass of 670 Da.

Application

Bromophenol Blue sodium salt has been used in the buffer solution to differentiate dead and living cells. It has also been used as a constituent in gel loading buffer.
A tracking dye for nucleic acid or protein electrophoresis in agarose or polyacrylamide gels.

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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