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Tris(2-aminoethyl)amine is the organic compound with the formula N(CH2CH2NH2)3. This colourless liquid is soluble in water and is highly basic, consisting of a tertiary amine center and three pendant primary amine groups. Abbreviated tren, it is the archetypal tripodal ligand of interest in coordination chemistry.

Tren is a C3-symmetric, tetradentate chelating ligand that forms stable complexes with transition metals, especially those in the 2+ and 3+ oxidation states. Tren complexes exist with relatively few isomers, reflecting the constrained connectivity of this tetramine. Thus, only a single achiral stereoisomer exists for [Co(tren)X2]+, where X is halide or pseudohalide. In contrast, for [Co(trien)X2]+ five diastereomers are possible, four of which are chiral. In a few cases, tren serves as a tridentate ligand with one of the primary amine groups non-coordinated.

Structures of trigonal bipyramidal and octahedral complexes of the formulae M(tren)X (left, C3v symmetry) and M(tren)X2 (right, Cs symmetry).

Product Details: Name: tris(2-aminoethyl)amine Synonyms:  2,2',2''-Nitrilotriethylamine; Tris(2-aMinoethyl)aMine; 2,2',2''-Triaminotriethylamine; CAS: 4097-89-6 EINECS: N/A MF: C6H18N4 MW: 146.23400 MP: -16 °C BP: 114 °C15 mm Hg(lit.) FP: >230 °F Purity: 95%min Density: 0.976 g/mL at 20 °C(lit.) Refractive index: n20/D 1.497(lit.)

Appearance: Clear yellow saline suspension

Stability: Stable. Hygroscopic. Absorbs carbon dioxide from the air. Incompatible with strong acids, strong oxidizing agents.

Package: 5g, 25g, 100g, 500g, 1kg, 25kg

Storage Condition: 2-8°颁

Application: It can be used as the structural unit of cryptand and the precursor of organic non-ionic super base.

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