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09-0410

Sigma-Aldrich

Eriochrome® Black T solution

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Synonym(s):
Mordant Black 11
Empirical Formula (Hill Notation):
C20H12N3NaO7S
CAS Number:
1787-61-7
Molecular Weight:
461.38
Beilstein:
4121162
MDL number:
MFCD00003935
UNSPSC Code:
12352107
PubChem Substance ID:
329748661

availability

available only in Japan

SMILES string

[Na+].Oc1cc(c2cc(ccc2c1\N=N\c3ccc4ccccc4c3O)[N+]([O-])=O)S([O-])(=O)=O

InChI

1S/C20H13N3O7S.Na/c24-17-10-18(31(28,29)30)15-9-12(23(26)27)6-7-14(15)19(17)22-21-16-8-5-11-3-1-2-4-13(11)20(16)25;/h1-10,24-25H,(H,28,29,30);/q;+1/p-1/b22-21+;

InChI key

AMMWFYKTZVIRFN-QUABFQRHSA-M

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Suitability

for titration

Legal Information

Eriochrome is a registered trademark of Huntsman Petrochemical, LLC

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Inhalation - Acute Tox. 3 Oral - Flam. Liq. 2 - STOT SE 1

Target Organs

Eyes,Central nervous system

WGK

WGK 2

Flash Point(F)

49.5 °F

Flash Point(C)

9.7 °C

Regulatory Information

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Deng-ming Sun et al.
Guang pu xue yu guang pu fen xi = Guang pu, 25(8), 1315-1317 (2005-12-07)
A new non-organic solvents extraction catalytic spectrophotometric method for the determination of trace amounts of manganese was studied. The method is based onthe manganese (II) catalyzing hydrogen peroxide to oxidate o f eriochrome black T in hydroxide-ammonium chloride buffer medium.
Namon Hirun et al.
International journal of pharmaceutics, 388(1-2), 196-201 (2010-01-16)
A novel gel system was obtained by mixing aqueous solutions of tamarind seed xyloglucan (TSX) and Eriochrome Black T (EBT), an antiangiogenic compound. The shear-viscosity flow curves revealed that all the studies mixtures displayed a shear thinning behavior. Viscosity increased
Ali A Ensafi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 73(5), 794-798 (2009-05-05)
A new, rapid, sensitive, non-extraction batch, and flow injection spectrophotometric method for the determination of cationic surfactants (CSs) such as cetyltrimethyl ammonium bromide (CTAB), tetra-n-butyl ammonium chloride (TBAC) and cetylpyridinium chloride (CPC) is proposed. The method is based on the
Sun-young Hwang et al.
Electrophoresis, 27(9), 1744-1748 (2006-03-29)
A sensitive silver staining method using eriochrome black T as a silver-ion sensitizer for DNA detection in polyacrylamide gels was developed. The sensitivity of this staining method was significantly improved by the new silver-ion sensitizer containing a diazo group, which
R T Gettar et al.
Journal of chromatography. A, 855(1), 111-119 (1999-10-09)
The use of Eriochrome Black T in an alkaline, 40% methanol solution was found to be appropriate as post-column reagent for the determination of rare earths by ion chromatography. Detection of individual lanthanides and lanthanum was carried out at 512
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