MilliporeSigma
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411019

Sigma-Aldrich

N,N,N′,N′-Tetramethylethylenediamine

≥99.5%, purified by redistillation

Synonym(s):
1,2-Bis(dimethylamino)ethane, TEMED, TMEDA
Linear Formula:
(CH3)2NCH2CH2N(CH3)2
CAS Number:
Molecular Weight:
116.20
Beilstein:
1732991
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

assay

≥99.5%

form

liquid

purified by

redistillation

expl. lim.

9.08 %

refractive index

n20/D 1.4179 (lit.)

bp

120-122 °C (lit.)

mp

−55 °C (lit.)

density

0.775 g/mL at 20 °C (lit.)

SMILES string

CN(C)CCN(C)C

InChI

1S/C6H16N2/c1-7(2)5-6-8(3)4/h5-6H2,1-4H3

InChI key

KWYHDKDOAIKMQN-UHFFFAOYSA-N

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General description

N,N,N′,N′-Tetramethylethylenediamine (TMEDA) is a bidentate tertiary amine. It is a Lewis base having good solvating properties. It is useful ligand for organolithium chemistry. Ultrafast molecular structural dynamics of the charge transfer in N,N,N′,N′-tetramethylethylenediamine has been studied by Rydberg fingerprint spectroscopy.

Packaging

100 mL in Sure/Seal™
1, 2 L in Sure/Seal™

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 2 - Skin Corr. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

61.7 °F - closed cup

Flash Point(C)

16.5 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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