90161
(2,2′)-Furildioxime
for spectrophotometric det. of Au(II), Co(II), Cu(II), Ni(II), Pd(II), Re(VII), U(VI), ≥97.0% (sum of isomers, HPLC)
Synonym(s):
Bis(2-furyl)glyoxime
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About This Item
Empirical Formula (Hill Notation):
C10H8N2O4
CAS Number:
Molecular Weight:
220.18
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
41115716
EC Number:
208-326-7
MDL number:
Product Name
(2,2′)-Furildioxime, for spectrophotometric det. of Au(II), Co(II), Cu(II), Ni(II), Pd(II), Re(VII), U(VI), ≥97.0% (sum of isomers, HPLC)
InChI key
RBOZTFPIXJBLPK-WGDLNXRISA-N
InChI
1S/C10H8N2O4/c13-11-9(7-3-1-5-15-7)10(12-14)8-4-2-6-16-8/h1-6,13-14H/b11-9+,12-10+
SMILES string
O\N=C(c1ccco1)\C(=N\O)c2ccco2
description
mixture of isomers
assay
≥97.0% (sum of isomers, HPLC)
form
crystals
technique(s)
UV/Vis spectroscopy: suitable
Quality Level
Application
a-furildioxime [(2,2′)-Furildioxime] was used:
- as neutral carrier in Calcium(II)-selective potentiometric sensor, selective electrode used for titration.
- in the synthesis of ketenimines and bis(ketenimines).
- in determination of palladium in water samples by rapid spectrophotometric analysis.
General description
Oximes are selective reagents which react with limited number of metal ions. These form water-insoluble complexes extractable into organic solvents. Furildioxime, a gravimetric and colorimetric reagent for nickel, palladium, platinum and rhenium is prepared by the oximation of furil with hydroxyammonium chloride followed by aqueous recrystallisation using MacKair′s method.
Regulatory Information
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Three-component reaction of alkyl isocyanides with acetylenic esters and pyridine-2-carboxaldoxime or a-furildioxime: Synthesis and dynamic NMR study of ketenimines and bis (ketenimines).
Baharfar, Robabeh, Leyla Jaafari, and Razieh Azimi.
Chinese Chemical Letters = Zhongguo Hua Xue Kuai Bao, 22, 943-946 (2011)
Single-Channel Flow Injection Spectrophotometric Determination of Nickel Using Furildioxime in Micellar Solution.
Memon, Najma, et al.
TheScientificWorldJournal, 12, 1-5 (2012)
The furildioximes. Part I. The structure of the isomeric furildioximes.
Fryer, F. A., D. J. B. Galliford, and J. T. Yardley.
Analyst, 88, 188-190 (1963)
D L Bissett et al.
Journal of the American Academy of Dermatology, 31(4), 572-578 (1994-10-01)
In previous work we found that iron is a factor in skin photodamage, apparently by way of its participation in oxygen radical production. Here we report topical photoprotection with the iron chelator 2-furildioxime (FDO). Our purpose was to determine the
Calcium (II)-selective potentiometric sensor based on a-furildioxime as neutral carrier.
Singh, Ashok Kumar, and Sameena Mehtab.
Sensors and Actuators B, Chemical, 123, 429-436 (2007)
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