127078
N,N,N′,N′-Tetraethylethylenediamine
98%
Synonym(s):
TEEDA
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About This Item
Linear Formula:
(C2H5)2NCH2CH2N(C2H5)2
CAS Number:
Molecular Weight:
172.31
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352100
EC Number:
205-770-3
MDL number:
Assay:
98%
Form:
liquid
InChI key
DIHKMUNUGQVFES-UHFFFAOYSA-N
InChI
1S/C10H24N2/c1-5-11(6-2)9-10-12(7-3)8-4/h5-10H2,1-4H3
SMILES string
CCN(CC)CCN(CC)CC
assay
98%
form
liquid
refractive index
n20/D 1.4343 (lit.)
bp
189-192 °C (lit.)
density
0.808 g/mL at 25 °C (lit.)
functional group
amine
Quality Level
Related Categories
Application
N,N, N′,N′-Tetraethylethylenediamine (TEEDA) has been used in the synthesis of amine ligands using simple or double intramolecular dealkylation reaction. TEEDA exhibits selective β-lithiation during deprotonation with lithiumalkyls.
signalword
Danger
hcodes
Hazard Classifications
Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B
Storage Class
3 - Flammable liquids
wgk
WGK 1
flash_point_f
138.2 °F - closed cup
flash_point_c
59 °C - closed cup
ppe
Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter
Regulatory Information
危险化学品
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Viktoria H Gessner et al.
Journal of the American Chemical Society, 130(44), 14412-14413 (2008-10-10)
TMEDA and its ethyl-substituted analogue, TEEDA, show a different behavior toward the deprotonation with lithiumalkyls. While TMEDA mainly undergoes alpha-lithiation of its methyl group, TEEDA shows selective beta-lithiation with following elimination of ethene. The crystal structure of the monomeric intermediate
M Esther Morilla et al.
Chemical communications (Cambridge, England), (17)(17), 1848-1849 (2002-09-26)
N,N, N',N'-Tetraethylethylenediamine undergoes simple or double intramolecular dealkylation reactions in the presence of the complexes [RuCl2(diene)]n (diene = cod, nbd) or trans-[RuCl2(diene)(morfoline)2 at 80 degrees C to afford chelating amine ligands which contains one or two N-H functionalities.
Wei Xiao et al.
Biochimica et biophysica acta. General subjects, 1862(8), 1760-1769 (2018-05-12)
The inorganic core of the iron storage protein, ferritin, is recognized as being analogous to the poorly crystalline iron mineral, ferrihydrite (Fh). Fh is also abundant in soils where it is central to the redox cycling of particular soil contaminants
Lan-Fang Hu et al.
Molecules (Basel, Switzerland), 25(2) (2020-01-16)
The copolymerization of biorenewable succinic anhydride (SA) with propylene oxide (PO) is a promising way to synthesize biodegradable aliphatic polyesters. However, the catalytic systems for this reaction still deserve to be explored because the catalytic activity of the reported catalysts
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