236071

N,N′-Bis(salicylidene)ethylenediamine

98%

• Synonym(s): 2,2′-Ethylenebis(nitrilomethylidene)diphenol, N,N′-Ethylenebis(salicylimine)
• Linear Formula: (CH₂N=CHC₆H₄OH)₂
• CAS Number: 94-93-9
• Molecular Weight: 268.31
• Beilstein/REAXYS Number: 535296
• EC Number: 202-376-3
• MDL number: MFCD00002244
• UNSPSC Code: 12352100
• PubChem Substance ID: 24854136
• NACRES: NA.22

Properties

• Quality Level: 100
• assay: 98%
• mp: 127-128 °C (lit.)
• solubility: water: insoluble(lit.)
• functional group: amine; imine
• 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

Description

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).

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315,H319,H335
• pcodes: P261 - P264 - P271 - P280 - P302 + P352 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
• target_organs: Respiratory system
• 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