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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/REAXYS Number:
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.

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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

8A - Combustible, corrosive hazardous materials

wgk_germany

WGK 2

flash_point_f

325.4 °F - closed cup

flash_point_c

163 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

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
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
Takuto Hasegawa et al.
Bioorganic & medicinal chemistry, 17(16), 6015-6019 (2009-07-21)
Two kinds of rhodamine modified beta-cyclodextrins (R-1 and R-2), which are coupled up ethylene diamine (EDA) and tetraethylene pentamine (TEPA) between Rh B and beta-cyclodextrin, respectively, have been synthesized. R-1 and 2 work as a new fluorogenic probe for monitoring
Xiao-Yi Huang et al.
Carbohydrate research, 346(10), 1232-1240 (2011-05-10)
To utilize the contribution of introduced amino groups to the adsorption of an anionic dye (eosin Y), a batch adsorption system was applied to study the adsorption of eosin Y from aqueous solution by tetraethylenepentamine (TEPA) modified chitosan (TEPA-CS). Experiments
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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