127345
4-(2-Thiazolylazo)resorcinol
97%
Synonym(s):
2-(2,4-Dihydroxyphenylazo)thiazole, TAR
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About This Item
Empirical Formula (Hill Notation):
C9H7N3O2S
CAS Number:
Molecular Weight:
221.24
EC Number:
218-836-1
UNSPSC Code:
12171500
PubChem Substance ID:
Beilstein/REAXYS Number:
204257
MDL number:
assay
97%
mp
211 °C (dec.) (lit.)
SMILES string
Oc1ccc(\N=N\c2nccs2)c(O)c1
InChI
1S/C9H7N3O2S/c13-6-1-2-7(8(14)5-6)11-12-9-10-3-4-15-9/h1-5,13-14H/b12-11+
InChI key
SHNIKUXMZFPPCS-VAWYXSNFSA-N
Application
Useful for the spectrophotometric determination of trace metals.
signalword
Warning
hcodes
Hazard Classifications
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
target_organs
Respiratory system
Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
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Y Kalyan et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 74(5), 1235-1241 (2009-11-03)
A membrane optode was developed utilizing the 8-hydroxyquinaldine (HQ) facilitated preconcentration of UO(2)(2+) ions and subsequent colored complex formation of UO(2)(2+) with 4-(2-thiazolylazo)-resorcinol (TAR) in optode matrix. The composition of the membrane optode was optimized by scanning several extractants immobilized
L Evans et al.
Journal of chromatography. A, 911(1), 127-133 (2001-03-28)
A capillary electrophoresis method utilizing 4-(2-thiazolylazo)resorcinol (TAR) was developed to separate uranium, cobalt, cadmium, nickel, titanium and copper metal ions. TAR was chosen as the visible absorbing chelating ligand because of its ability to form stable complexes with a wide
S R Bergmann et al.
Clinica chimica acta; international journal of clinical chemistry, 104(1), 53-63 (1980-05-21)
A simple and rapid colorimetric assay for non-esterified fatty acids (NEFA) was developed employing extraction of samples with 0.1 mol/l glycine (pH 2.7) and methoxyethanol : butyl ether, and formation of a copper-fatty acid soap detected with 4-(2-thiazolylazo)-resorcinol. The method