Ethylenediamine


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ethylenediamine

[¦eth·ə·‚lēn′dī·ə‚mēn]
(organic chemistry)
NH2CH2CH2NH2 Colorless liquid, melting at 8.5°C, soluble in water; used as a solvent, corrosion inhibitor, and resin and in adhesive manufacture.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Ethylenediamine

 

(also called 1,2-diaminoethane), H2NCH2CH2NH2, a colorless liquid that has the odor of ammonia.

Ethylenediamine has a boiling point of 116.5°C, a melting point of 8.5°C, and a density of 0.899 g/cm3 at 20°C. It is soluble in water and alcohol and slightly soluble in ether, but it is insoluble in benzene. It is a strong base.

The salts of ethylenediamine and fatty acids are used in the textile industry as softeners, and ethylenediamine tartrate has piezoelectric properties. Ethylenediaminetetraacetic acid is produced by reacting ethylenediamine with chloroacetic acid. Ethylenediamine is used in the manufacture of such products as fungicides, dyes, latex stabilizers, emulsifiers, and plasticizers, and it is also used as a curing agent for epoxy resins. It is produced mainly by the action of ammonia on dichloroethane.

Ethylenediamine is toxic. The maximum permissible concentration of its vapors in the air is 0.001 mg per liter.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
van Eldik, "Rate and equilibrium data for substitution reactions of diaqua(ethylenediamine)palladium(II) with chloride in aqueous solution," Inorganica Chimica Acta, vol.
After the reaction, the autoclave was allowed to cool naturally to room temperature and CIS nanoparticles, in black color ethylenediamine organic solution, were collected after centrifugation at 8000 rpm repeated 4 times and rinsed with distilled water and ethanol to remove by products.
Both ethylamine and ethylenediamine attach to the surface of MWCNT through covalent bonding and prevent the agglomeration of MWCNT layers.
Ethylenediamine, aniline, methanol, chloroform and N, N-dimethylformamide (DMF) were obtained from Aldrich Chemical Company Ltd.
Ethylenediamine (EDA) and methyl acrylate (MA) monomer were purchased from Sigma-Aldrich and were used as received.
The encapsulation of dodecane into the microcapsules was achieved by the reaction between sebacoyl chloride and ethylenediamine, in presence of poly(vinyl) alcohol (PVA) as a surfactant.
In laboratory, water samples were filtered through a 0.45 [micro]m acetate cellulose filter and were acidified by adding 3.0 M [H.sub.2] S[O.sub.4] followed by addition of 0.2 g disodium ethylenediamine tetraacetate ([Na.sub.2] EDTA).
Using four different chelating agents, such as ethylenediamine tetraacetic acid (EDTA), oxyethylenenitrilo tetraacetic acid (EGTA), trans-1, 2diaminicyclohexane-N, N, N', N'-tetraacetic acid (CDTA) and diethylenetriaminepentaacetic acid (DTPA), Van Engelen et al.
Cysteine, ascorbic acid, sodium sulfite, citric acid, thiourea, sodium azide, ethylenediamine tetraacetic acid disodium (EDTA) and sodium diethyldithiocarbamate (DETC) were used as PO inhibitors.
The researchers also loaded the films with ethylenediamine tetra acetic acid (EDTA) as an antimicrobial agent.
The product contains the amino acid EDTA (ethylenediamine tetraacetic acid), a chelating agent that binds divalent and trivalent metal ions, which are then excreted in the urine.
Ethylenediamine dihydrochloride, phenyl phosphate, cetyldimethylethyl ammonium bromide, sodium hydroxide, and formic acid were purchased from Sigma Aldrich; hydrochloric acid, phosphoric acid, acetonitrile, methanol (HPLC grade), and water (HPLC grade) from Fisher Scientific; and Conray[R] iothalamate meglumine injection USP 60% from Malinkrodt Inc.

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