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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Ali Benvidi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 78(5), 1380-1385 (2011-03-01)
The acidity constants of 4-(2-thiazolylazo)-resorcinol (TAR) were determined by the principal component-wavelet neural network (WNN). Biprotic acid mass balance equations, the distribution functions and the corresponding spectral profiles which were generated by a Gaussian model, have been considered to simulate
Yue-Feng Zhou et al.
The Analyst, 136(2), 282-284 (2010-11-11)
A simple cyclopalladated complex of 4-(2-thiazolylazo)resorcinol showed a specific red-to-green colour change upon addition of organotin species in the acetonitrile-water medium.
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