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B8630

Sigma-Aldrich

Bromothymol Blue sodium salt

powder

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Synonym(s):
3′,3′′-dibromothymolsulfonephthalein sodium salt
Empirical Formula (Hill Notation):
C27H27Br2NaO5S
CAS Number:
Molecular Weight:
646.36
Beilstein:
6887926
EC Number:
MDL number:
UNSPSC Code:
12171500
PubChem Substance ID:
NACRES:
NA.47

form

powder

Quality Level

technique(s)

titration: suitable

visual transition interval

6.0-7.6, yellow to blue

application(s)

diagnostic assay manufacturing
hematology
histology

storage temp.

room temp

SMILES string

[Na+].CC(C)c1cc(c(C)c(Br)c1O)C(=C2\C=C(C(C)C)C(=O)C(Br)=C2C)\c3ccccc3S([O-])(=O)=O

InChI

1S/C27H28Br2O5S.Na/c1-13(2)18-11-20(15(5)24(28)26(18)30)23(17-9-7-8-10-22(17)35(32,33)34)21-12-19(14(3)4)27(31)25(29)16(21)6;/h7-14,30H,1-6H3,(H,32,33,34);/q;+1/p-1/b23-21+;

InChI key

NMKFVGALBGZKGW-FKWCIMQXSA-M

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Application

Bromothymol Blue sodium salt has been used as a pH indicator in the yeast growth media (YPD, yeast extract peptone dextrose).

Biochem/physiol Actions

Bromothymol Blue is a pH indicator which changes color from yellow (pH 6.0) to blue (7.6).

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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The roles of galactitol, galactose-1-phosphate, and phosphoglucomutase in galactose-induced toxicity in Saccharomyces cerevisiae.
de Jongh WA, et al.
Biotechnology and Bioengineering, 101, 317-326 (2008)
Handbook of Acid-Base Indicators null
Increasing galactose consumption by Saccharomyces cerevisiae through metabolic engineering of the GAL gene regulatory network.
Ostergaard, et al.
Nature Biotechnology, 18, 1283-1286 (2000)

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