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Merck
CN

88413

1-(2-Thiazolylazo)-2-naphthol

for spectrophotometric det. of Cd, Co, Cu, Mn, Ni, Tl, ≥99.0%

Synonym(s):

2-(2-Hydroxy-1-naphthylazo)thiazole, TAN

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About This Item

Empirical Formula (Hill Notation):
C13H9N3OS
CAS Number:
1147-56-4
Molecular Weight:
255.30
UNSPSC Code:
23151817
NACRES:
NA.21
PubChem Substance ID:
329769649
EC Number:
214-555-3
Beilstein/REAXYS Number:
21172
MDL number:
MFCD00021611

Key Documents

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Product Name

1-(2-Thiazolylazo)-2-naphthol, for spectrophotometric det. of Cd, Co, Cu, Mn, Ni, Tl, ≥99.0%

InChI key

IOMXCGDXEUDZAK-FOCLMDBBSA-N

InChI

1S/C13H9N3OS/c17-11-6-5-9-3-1-2-4-10(9)12(11)15-16-13-14-7-8-18-13/h1-8,17H/b16-15+

SMILES string

Oc1ccc2ccccc2c1\N=N\c3nccs3

assay

≥99.0% (CHN)
≥99.0%

form

powder

quality

for spectrophotometric det. of Cd, Co, Cu, Mn, Ni, Tl

technique(s)

UV/Vis spectroscopy: suitable

mp

138-139 °C

solubility

methanol: 10 mg/mL, clear

Quality Level

100

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Other Notes

Reagent for the extraction and spectrophotometric determination of metals, metallochromic indicator

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
BCBZ4628

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Y Sumi et al.
Histochemistry, 87(4), 327-329 (1987-01-01)
We describe a new autoradiographic technique for differentially demonstrating the presence of trace amounts of cadmium that remains unbound to metallothionein in tissue sections. This procedure involves [14C-1,4,5,8-naphthol]-1-(2-thiazolylazo)-2-naphthol (TAN) instead of a metal radioisotope. Tissue sections were stained using labeled
K C Teo et al.
The Analyst, 126(4), 534-537 (2001-05-09)
Cloud point extraction has been used for the preconcentration of manganese, after the formation of a complex with 1-(2-thiazolylazo)-2-naphthol (TAN), and later analysis by flame atomic absorption spectrometry using octylphenoxypolyethoxyethanol (Triton X-114) as surfactant. The chemical variables affecting the separation
Z. Holzbecher et al.
Handbook of Organic Reagents in Inorganic Analysis (1976)
Serife Tokalioğlu et al.
Environmental monitoring and assessment, 152(1-4), 369-377 (2008-05-20)
A new method for separation and preconcentration of trace amounts of Cu(II), Ni(II), Pb(II), Cd(II) and Mn(II) ions in various matrices was proposed. The method is based on the adsorption and chelation of the metal ions on a column containing
A M Starvin et al.
Journal of hazardous materials, 113(1-3), 75-79 (2004-09-15)
As a part of removal of toxic heavy metals from hazardous wastes, solid phase extraction (SPE) of mercury(II) at trace and ultra trace levels was studied using 1-(2-thiazolylazo)-2-naphthol (TAN) functionalized activated carbon (AC). The SPE material removes traces of mercury(II)
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