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E26266

Sigma-Aldrich

Ethylenediamine

ReagentPlus®, ≥99%

Synonym(s):

1,2-Diaminoethane

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25 MG
$87.60

About This Item

Linear Formula:
NH2CH2CH2NH2
CAS Number:
Molecular Weight:
60.10
Beilstein:
605263
EC Number:
MDL number:
UNSPSC Code:
12352100
eCl@ss:
39030201
PubChem Substance ID:
NACRES:
NA.21

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Agency

suitable for EPA 300

Quality Level

vapor density

2.07 (vs air)

vapor pressure

10 mmHg ( 20 °C)

product line

ReagentPlus®

Assay

≥99%

form

liquid

autoignition temp.

716 °F

expl. lim.

16 %

refractive index

n20/D 1.4565 (lit.)

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General description

Ethylenediamine (en) is a linear aliphatic diamine that can be synthesized by reacting ethanolamine and ammonia in the presence of zeolite catalyst.[1] Its effect as an allergen has been investigated.[2] It participates in the synthesis of metal chalcogenides[3] and thiogallates.[4]

Application

Ethylenediamine (1,2-Diaminoethane, DAE) can be used as a reagent to prepare various metal ion complexes. For instance, DAE reacts with chromium(II) salts forms a Cr(II)/DAE complex, which is used as an efficient reducing agent for the reduction of primary alkyl halides to alkanes, and aryl bromides or iodides to arenes. This complex is also used to reduce β-substituted alkyl halides and epoxides to alkenes.[5]
DAE can also be used in the following reduction reactions:
  • DAE/Borane (1:1) complex is used as a highly selective reducing agent for the conversion of cinnamaldehyde to cinnamyl alcohol.[5]
  • DAE/Li complex is used as an efficient reagent for the reduction of alkenes, aromatic hydrocarbons, phenols, and alcohols.[5]

Ethylenediamine (en) has been used in the following process:
  • Synthesis of nucleus pulposus (NP)-like collagen-glycosaminoglycans (CG) core.[6]
  • Surface modification of epoxy-activated cryogel.[7]
  • Alteration of the surface of carbon nanoparticles (CNPs) to generate CNPs-ethylene.[8]
It may be used in the following studies:
  • Surface modification of triazolate-bridged metal-organic framework.[9]
  • As a solvent in the synthesis of ZnS (zinc sulfide) and ZnSe (zinc selenium) precursors by solvothermal process.[10]
  • As a reactant in the synthesis of Pd/C-ethylenediamine complex catalyst.[11]
  • As a chelating agent in the synthesis of β-Co(OH)2 nanocrystals.[12]
  • Synthesis of ethylenediamine-templated iron arsenates and fluoroarsenates.[13]
  • As a template agent and coordination agent in the synthesis of CdS (cadmium sulfide) nanocrystals.[14]

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 3 - Resp. Sens. 1B - Skin Corr. 1B - Skin Sens. 1B

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

100.4 °F - closed cup

Flash Point(C)

38 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Lingling Chen et al.
Scientific reports, 7(1), 12218-12218 (2017-09-25)
Optical clearing methods can facilitate deep optical imaging in biological tissue by reducing light scattering and this has enabled accurate three-dimensional signal visualization and quantification of complex biological structures. Unfortunately, existing optical clearing approaches present a compromise between maximizing clearing
R Hommel et al.
Journal of basic microbiology, 30(4), 297-300 (1990-01-01)
An improved solubilization procedure for the membrane-bound quinoprotein aldehyde dehydrogenase from Acetobacter rancens CCM 1774 was established. After the first solubilization of membrane enzymes by Brij 35 which provided important extraction of membrane proteins other than aldehyde dehydrogenase, the application
J K Towns et al.
Analytical chemistry, 63(11), 1126-1132 (1991-06-01)
Capillary zone electrophoretic separations of proteins have been achieved by using nonionic surfactant coated capillaries. Capillaries were prepared by derivatization of the silica surface with octadecylsilane followed by the deposition of a layer of nonionic surfactant from an aqueous solution
B T Dumas et al.
Clinica chimica acta; international journal of clinical chemistry, 258(1), 21-30 (1997-02-03)
A rapid and reliable method for measuring serum albumin employing bromcresol green is described. The addition of albumin to a solution of bromcresol green in a 0.075 M succinate buffer pH 4.20 results in an increase in absorbance at 628
Hitesh S Deshmukh et al.
American journal of respiratory cell and molecular biology, 38(4), 446-454 (2007-11-17)
Chronic obstructive pulmonary disease (COPD), a global public health problem, is characterized by progressive difficulty in breathing, with increased mucin production, especially in the small airways. Acrolein, a constituent of cigarette smoke and an endogenous mediator of oxidative stress, increases

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