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Sigma-Aldrich

Tris(2-aminoethyl)amine

96%

Synonym(s):

2,2′,2′′-Nitrilotriethylamine, 2,2′,2′′-Triaminotriethylamine, TAEA

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About This Item

Linear Formula:
(NH2CH2CH2)3N
CAS Number:
4097-89-6
Molecular Weight:
146.23
Beilstein:
1739626
EC Number:
223-857-4
MDL number:
MFCD00008177
UNSPSC Code:
12162002
PubChem Substance ID:
24853509
NACRES:
NA.23

vapor density

5 (vs air)

vapor pressure

0.02 mmHg ( 20 °C)

Assay

96%

form

liquid

refractive index

n20/D 1.497 (lit.)

bp

114 °C/15 mmHg (lit.)

density

0.976 g/mL at 20 °C (lit.)

SMILES string

NCCN(CCN)CCN

InChI

1S/C6H18N4/c7-1-4-10(5-2-8)6-3-9/h1-9H2

InChI key

MBYLVOKEDDQJDY-UHFFFAOYSA-N

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General description

Tris(2-aminoethyl)amine (TREN) is a water soluble tripodal ligand that is majorly used in co-ordination chemistry. It has three aminoethylgroups that attach with the surface atoms to provide a scaffold assembly.

Application

Building block for cryptands; precursor to a proazaphosphatrane, a stong, nonionic base.
TREN can be grafted with multi-walled carbon nanotube (MWCNT) for use in solid phase extraction of metal ions for wastewater treatment based applications. It can also be used as a chelating agent in the surface treatment of silica nanoparticles which can further be used for a wide range of industrial applications.

Pictograms

Skull and crossbonesCorrosion
GHS06,GHS05

Signal Word

Danger

Hazard Statements

H301,H310,H314

Hazard Classifications

Acute Tox. 2 Dermal - Acute Tox. 3 Oral - Skin Corr. 1B

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Flash Point(F)

235.4 °F - closed cup

Flash Point(C)

113 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Removal of lead ions from wastewater using functionalized multiwalled carbon nanotubes with tris (2-aminoethyl) amine
Tehrani MS, et al.
Journal of Environmental Protection, 4(06), 529-529 (2013)
Polish Journal of Chemistry, 80, 1825-1825 (2006)
Chinta Reddy Venkat Reddy et al.
The Journal of organic chemistry, 72(8), 3093-3096 (2007-03-21)
1,4-additions to a variety of Michael acceptors with a wide variety of donors were efficiently catalyzed at room temperature by the title reusable Merrifield resin-supported catalyst. Advantages of this catalyst include a simple workup (filtration of the reaction mixture) and
Surface treatment of silica nanoparticles for stable and charge-controlled colloidal silica
Kim K, et al.
International journal of nanomedicine, 9(2), 29-29 (2014)
Pascal Dimitrov Raytchev et al.
The Journal of organic chemistry, 75(6), 2099-2102 (2010-02-20)
The first hemicryptophanes derived from tris(N-alkyl-carbamoylmethyl)amine and tris(2-aminoethyl)amine (tren) have been synthesized following a single synthetic pathway that allows the subsequent formation of the two heteroditopic hosts 3 and 4. X-ray crystal structures show a well-defined cavity encapsulating a solvent
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