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236071

Sigma-Aldrich

N,N′-Bis(salicylidene)ethylenediamine

98%

Synonym(s):
2,2′-Ethylenebis(nitrilomethylidene)diphenol, N,N′-Ethylenebis(salicylimine)
Linear Formula:
(CH2N=CHC6H4OH)2
CAS Number:
Molecular Weight:
268.31
Beilstein:
535296
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

98%

mp

127-128 °C (lit.)

solubility

water: insoluble(lit.)

SMILES string

Oc1ccccc1\C=N\CC\N=C\c2ccccc2O

InChI

1S/C16H16N2O2/c19-15-7-3-1-5-13(15)11-17-9-10-18-12-14-6-2-4-8-16(14)20/h1-8,11-12,19-20H,9-10H2/b17-11+,18-12+

InChI key

VEUMANXWQDHAJV-JYFOCSDGSA-N

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General description

N,N′-Bis(salicylidene)ethylenediamine (salen) reacts with ferric chloride in acetone solution to yield the complex (Fe salen Cl).

Application

N,N′-Bis(salicylidene)ethylenediamine (salen) immobilized on surfactant-coated alumina has been used as complexing agent for on-line preconcentration of copper and lead by flow injection-flame atomic absorption spectrometry (FI-AAS).

Packaging

10 g in glass bottle

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Lakshmi Kanta Das et al.
Dalton transactions (Cambridge, England : 2003), 41(36), 11009-11017 (2012-08-04)
Two new trinuclear hetero-metallic copper(II)-zinc(II) complexes [(CuL)(2)Zn(N(3))(2)] (1A and 1B) have been synthesized using [CuL] as a so-called "metalloligand" (where H(2)L = N,N'-bis(salicylidene)-1,3-propanediamine) and structurally characterized. Complexes 1A and 1B have the same molecular formula but crystallize in different crystal
Erin E Podlesny et al.
Organic letters, 14(18), 4862-4865 (2012-09-04)
The selective oxidation of a series of functionalized 8,8'-hydroxylated binaphthols to binaphtho-para- and binaphtho-ortho-quinones has been realized using either a Co-salen catalyst or ortho-iodoxybenzoic acid. A unique spirocyclic bis-spironaphthalenone was also obtained in good yield via a phenyliodonium diacetate promoted
Immobilized salen (N,N'-bis (salicylidene) ethylenediamine) as a complexing agent for on-line sorbent extraction/preconcentration and flow injection-flame atomic absorption spectrometry.
Dadfarnia S, et al.
Analytica Chimica Acta, 539(1), 69-75 (2005)
Zahra Asadi et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 105, 344-351 (2013-01-17)
Some tetradentate salen type Schiff bases and their uranyl complexes were synthesized and characterized by UV-Vis, NMR, IR, TG, C.H.N. and X-ray crystallographic studies. From these investigations it is confirmed that a solvent molecule occupied the fifth position of the
Teng Zhang et al.
Chemical communications (Cambridge, England), 48(70), 8766-8768 (2012-07-28)
Chiral metal-organic frameworks built from a Co-salen derived dicarboxylate bridging ligand exhibited different regioselectivities from the corresponding homogeneous catalyst by shutting down bimolecular activation pathways.

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