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Key Documents

86778

Sigma-Aldrich

3′,3″,5′,5″-Tetrabromophenolphthalein ethyl ester

for microscopy

Synonym(s):

TBPE

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About This Item

Empirical Formula (Hill Notation):
C22H14Br4O4
CAS Number:
Molecular Weight:
661.96
Beilstein:
2228548
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

grade

for microscopy

form

solid

SMILES string

CCOC(=O)c1ccccc1\C(c2cc(Br)c(O)c(Br)c2)=C3\C=C(Br)C(=O)C(Br)=C3

InChI

1S/C22H14Br4O4/c1-2-30-22(29)14-6-4-3-5-13(14)19(11-7-15(23)20(27)16(24)8-11)12-9-17(25)21(28)18(26)10-12/h3-10,27H,2H2,1H3

InChI key

SQFXATUXPUCFFO-UHFFFAOYSA-N

Application

3′,3″,5′,5″-Tetrabromophenolphthalein ethyl ester (TBPE) is an anionic dye used as a counter ion in the spectrophotometric determination of cationic surfactants. TBPE is also used in the spectrometric determination of aliphatic primary, secondary and tertiary amines.

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

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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