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T11509

Sigma-Aldrich

Tetraethylenepentamine

technical grade

Synonym(s):

TEPA, Tetrene

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About This Item

Linear Formula:
(NH2CH2CH2NHCH2CH2)2NH
CAS Number:
112-57-2
Molecular Weight:
189.30
Beilstein:
506966
EC Number:
203-986-2
MDL number:
MFCD00008168
UNSPSC Code:
12352100
PubChem Substance ID:
24899938
NACRES:
NA.22

grade

technical grade

Quality Level

200

vapor density

6.53 (vs air)

vapor pressure

<0.01 mmHg ( 20 °C)

autoignition temp.

610 °F

refractive index

n20/D 1.505 (lit.)

bp

340 °C

mp

−40 °C (lit.)

density

0.998 g/mL at 25 °C (lit.)

SMILES string

NCCNCCNCCNCCN

InChI

1S/C8H23N5/c9-1-3-11-5-7-13-8-6-12-4-2-10/h11-13H,1-10H2

InChI key

FAGUFWYHJQFNRV-UHFFFAOYSA-N

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Application

Tetraethylenepentamine (TEPA) can be used as a reagent:      
  • To functionalize magnesium 2,5-dihydroxyterephthalate (Mg-MOF-74) to enhance the CO2 adsorption performance of the material.
  • To modify magnetic chitosan resin to form amine-bearing chitosan for the efficient removal of uranium from an aqueous solution.
  • To synthesize poly(vinyl-chloride)/tetraethylenepentamine (PVC-TEPA) composite material, which is used as an efficient catalyst for the Knoevenagel condensation reaction.

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Oral - Aquatic Chronic 2 - Eye Dam. 1 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 2

Flash Point(F)

325.4 °F - closed cup

Flash Point(C)

163 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Khalid Z Elwakeel et al.
Bioresource technology, 160, 107-114 (2014-02-08)
Chitosan was cross-linked using glutaraldehyde in the presence of magnetite. The resin was chemically modified through the reaction with tetraethylenepentamine (TEPA) to produce amine bearing chitosan. The resin showed a higher affinity towards the uptake of UO2(2+) ions from aqueous
Xiao Su et al.
ACS applied materials & interfaces, 9(12), 11299-11306 (2017-03-01)
Postsynthetic functionalization of magnesium 2,5-dihydroxyterephthalate (Mg-MOF-74) with tetraethylenepentamine (TEPA) resulted in improved CO2 adsorption performance under dry and humid conditions. XPS, elemental analysis, and neutron powder diffraction studies indicated that TEPA was incorporated throughout the MOF particle, although it coordinated
Yamin Liu et al.
Environmental science & technology, 45(13), 5710-5716 (2011-06-16)
A novel solid amine sorbent was prepared using KIT-6-type mesoporous silica modified with tetraethylenepentamine (TEPA). Its adsorption behavior toward CO(2) from simulated flue gases is investigated using an adsorption column. The adsorption capacities at temperatures of 303, 313, 333, 343
Yu Zhou et al.
Journal of hazardous materials, 190(1-3), 87-93 (2011-03-29)
Novel phenol-capturer was prepared by modifying the as-synthesized mesoporous silica MCM-41 with tetraethylenepentamine (TEPA), not only saving the energy and time for removal of template, but also opening the way to utilize the micelles for adsorption. Once the organic modifier
Hua Wei et al.
Journal of the American Chemical Society, 134(40), 16554-16557 (2012-09-28)
Adaptation of in vitro optimized polymeric gene delivery systems for in vivo use remains a significant challenge. Most in vivo applications require particles that are sterically stabilized, which significantly compromises transfection efficiency of materials shown to be effective in vitro.
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