B7021
Bromophenol Blue sodium salt
ACS reagent
Synonym(s):
3′,3′′,5′,5′′-Tetrabromophenolsulfophthalein sodium salt
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About This Item
Empirical Formula (Hill Notation):
C19H9Br4NaO5S
CAS Number:
Molecular Weight:
691.94
EC Number:
252-170-2
UNSPSC Code:
12171500
MDL number:
Beilstein/REAXYS Number:
6995701
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
SMILES string
[Na+].Oc1c(Br)cc(cc1Br)C(=C2/C=C(Br)C(=O)C(Br)=C2)\c3ccccc3S([O-])(=O)=O
grade
ACS reagent
pH
3.0-4.6, yellow to blue(Visual transition)
solubility
clarity passes test
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Application
A tracking dye for nucleic acid or protein electrophoresis in agarose or polyacrylamide gels.
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