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O9328

Sigma-Aldrich

Oxamide

98%

Synonym(s):

Oxalic acid diamide

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About This Item

Linear Formula:
NH2COCONH2
CAS Number:
Molecular Weight:
88.07
Beilstein/REAXYS Number:
1743262
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

form

powder

mp

>300 °C (lit.)

SMILES string

NC(=O)C(N)=O

InChI

1S/C2H4N2O2/c3-1(5)2(4)6/h(H2,3,5)(H2,4,6)

InChI key

YIKSCQDJHCMVMK-UHFFFAOYSA-N

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Application

Oxamide can be used:
  • As a precursor for the synthesis of ligands such as bis(benzimidazole) and Schiff base ligands formed by condensation with furfural.
  • Carbon nitride (g-C3N4) nanotubes by self-assembly polymerization with urea.
  • As a bridging ligand for the synthesis of binuclear IrIII complex [Ir22-oxamidato-N,N′,O,O′)(ptpy)4], ptpy = 2-(p-tolyl)pyridinato.

pictograms

Exclamation mark

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - Skin Irrit. 2

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves


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Li-Na Zhu et al.
Inorganic chemistry, 46(4), 1297-1304 (2007-01-25)
Four heteronuclear complexes Mn(CuL)2(SCN)2 (1), {[Mn(CuL)2(mu-dca)2].2H2O}n (2), Zn(CuL)2(SCN)2 (3), and [Fe(CuL)(N3)2]2 (4) incorporating macrocyclic oxamide ligands have been synthesized and structurally characterized. L is the dianion of diethyl 5,6,7,8,15,16-hexahydro-6,7-dioxodibenzo[1,4,8,11]-tetraazacyclotetradecine-13,18-dicarboxylate, and dca is the dicyanamide. The structure of 1 or 3
Sergey P Gavrish et al.
Dalton transactions (Cambridge, England : 2003), (41)(41), 4708-4714 (2007-10-18)
A comparison of the molecular structure of related nickel(II) complexes of the open-chain and 13-membered macrocyclic oxamide-derived ligands NiL(1).4H2O and NiL(2).3H2O revealed that the formation of an additional 6-membered chelate ring in the complex results in rather small changes in
Yun Fei Long et al.
Analytica chimica acta, 624(1), 128-132 (2008-08-19)
Light scattering (LS) signals have been applied for analytical detections, but the selectivity is poor. In order to improve the selectivity, pre-separation or new machines are generally considered. Differing from these methods, we synthesized a highly selective oxamide ligand, N',N'-bis
Synthesis, spectral, thermal and biological studies of mixed ligand complexes with newly prepared Schiff base and 1, 10-phenanthroline ligands
El-Halim HFA, et al.
Journal of Molecular Structure, 1146, 153-163 (2017)
S R Khan et al.
Scanning electron microscopy, (Pt 3)(Pt 3), 155-162 (1981-01-01)
The formation of urinary oxamide stones was induced in rats by feeding them oxamide mixed with powdered rat chow. The structure of these stones and the changes in the rat renal papillary structure following oxamide administration were studied using bright

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