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90161

Supelco

(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
EC Number:
MDL number:
UNSPSC Code:
12000000
PubChem Substance ID:
NACRES:
NA.21

Quality Level

description

mixture of isomers

Assay

≥97.0% (sum of isomers, HPLC)

form

crystals

technique(s)

UV/Vis spectroscopy: suitable

SMILES string

O\N=C(c1ccco1)\C(=N\O)c2ccco2

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+

InChI key

RBOZTFPIXJBLPK-WGDLNXRISA-N

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.

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.

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Najma Memon et al.
TheScientificWorldJournal, 2012, 418047-418047 (2012-06-02)
A very simple, selective, and fast flow injection spectrophotometeric method is developed for determination of nickel using furildioxime as complexing agent. Micellar solution of brij-35 is employed to solubilize the sparingly soluble complex of Ni-furildioxime in buffered aqueous system (pH-9.00).
H Mitani et al.
European journal of pharmacology, 411(1-2), 169-174 (2001-01-04)
Kojic acid, a fungal metabolic product, has been used as a skin-depigmenting agent in skin care products marketed in Japan. Iron in the skin is known to be involved in wrinkling as a result of chronic photodamage. Kojic acid was
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)
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
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)

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