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Merck
CN

T1889

3′,3′′,5′,5′′-Tetrabromophenolphthalein ethyl ester potassium salt

~90%

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About This Item

Empirical Formula (Hill Notation):
C22H13Br4KO4
CAS Number:
62637-91-6
Molecular Weight:
700.05
EC Number:
263-661-6
UNSPSC Code:
41116107
PubChem Substance ID:
329826692
Beilstein/REAXYS Number:
3848263
MDL number:
MFCD00011662

Key Documents

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InChI key

WCIQBKUTYDIBJC-UHFFFAOYSA-M

InChI

1S/C22H14Br4O4.K/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;/q;+1/p-1

SMILES string

[K+].CCOC(=O)c1ccccc1\C(c2cc(Br)c([O-])c(Br)c2)=C3\C=C(Br)C(=O)C(Br)=C3

assay

~90%

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

pH

3.0-5.0, yellow to blue

mp

210 °C (dec.) (lit.)

application(s)

environmental

format

neat

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Application

Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Storage Class

13 - Non Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
127H0746
122H2504
107H2508
092K1410
087H2515

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[Pharmaco-analytical application of tetrabromophenolphthalein ethyl ester indicator dye. III. Interaction between alkaloids and TBPE].
G Szász et al.
Acta pharmaceutica Hungarica, 50(4), 161-165 (1980-07-01)
H T Chang et al.
Electrophoresis, 22(3), 394-398 (2001-03-22)
Electroelution of protein bands from a gel has advantages over the competitive common technique requiring gel sectioning with respect to yield, speed and the potential for computer-controlled application to multicomponent two-dimensional (2-D) gels. The electroelution design for the commercial high-performance
Spectrophotometric determination of histamine in mast cells, muscle and urine by solvent extraction with copper(II) and tetrabromophenolphthalein ethyl ester.
T Sakai et al.
The Analyst, 109(12), 1569-1572 (1984-12-01)
The application of the TBP test to bile.
E G Saker
Journal of analytical toxicology, 8(1), 51-51 (1984-01-01)
D L Mount et al.
Bulletin of the World Health Organization, 67(3), 295-300 (1989-01-01)
Two field-adapted colorimetric methods for measuring the antimalarial drug chloroquine in urine are described. Both are modifications of the method of Saker and Solomons for screening urine for phencyclidine and other drugs of abuse, using the colour reagent tetrabromophenolphthalein ethyl
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