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Key Documents

B8630

Sigma-Aldrich

Bromothymol Blue sodium salt

powder

Synonym(s):

3′,3′′-dibromothymolsulfonephthalein sodium salt

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About This Item

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).

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

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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)
Increasing galactose consumption by Saccharomyces cerevisiae through metabolic engineering of the GAL gene regulatory network.
Ostergaard, et al.
Nature Biotechnology, 18, 1283-1286 (2000)
Handbook of Acid-Base Indicators null

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