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Merck
CN

225630

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

Key Documents

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vapor density

5 (vs air)

Quality Level

200

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

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Certificates of Analysis (COA)

Lot/Batch Number
MKCZ8012
MKCZ8013
MKCX6047
MKCX4084
MKCV9643

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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)
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)
TREN (tris (2-aminoethyl) amine): an effective scaffold for the assembly of triple helical collagen mimetic structures
Kwak J, et al.
Journal of the American Chemical Society, 124(47), 14085-14091 (2002)
Solid-phase extraction of lead (II) ions using multiwalled carbon nanotubes grafted with tris (2-aminoethyl) amine
Cui Y, et al.
Microchimica Acta, 174(1-2), 107-107 (2011)
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