Diethylenetriamine (Deta) and also known as 2,2’-Iminodi(ethylamine)[2]) is an organic compound with the formula HN(CH2CH2NH2)2.
This colourless hygroscopic liquid is soluble in water and polar organic solvents, but not simple hydrocarbons.
Diethylenetriamine (Deta) is structural analogue of diethylene glycol.
CAS: 111-40-0
MF: C4H13N3
MW: 103.17
EINECS: 203-865-4
Synonyms
(Aminoethyl)ethanediamine;1,2-Ethanediamine,N-(2-aminoethyl)-;1,4,7-Triazaheptane;1,5-Diamino-3-azapentane;2,2’-diamino-diethylamin;2,2’-iminobis(ethanamine);2,2’-iminobis-ethylamin;2,2’-iminobis-ethylenediamine,n-(2-aminoethyl)-ethylamin
Diethylenetriamine (Deta)'s chemical properties resemble those for ethylene diamine, and it has similar uses.
Diethylenetriamine (Deta) is a weak base and its aqueous solution is alkaline.
Diethylenetriamine (Deta) is a byproduct of the production of ethylenediamine from ethylene dichloride.
Diethylenetriamine (Deta) is a hardener in epoxy resins of the Bisphenol A type.
Diethylenetriamine (Deta) has been reported as a sensitizer in ultrasonic baths for cleaning jewels, in synthetic lubricants and in carbonless copy paper.
Diethylenetriamine (Deta) is a triamine and a polyazaalkane.
A yellow liquid with an ammonia-like odor.
Less dense than water.
Corrosive to metals and tissue.
Vapors heavier than air.
Burns, although possibly difficult to igntie.
Toxic oxides of nitrogen produced during combustion.
Used as a solvent for plastics and dyes and in chemical synthesis.
A collector that enhances flotation separation, for use in the collection of iron and other metals, and in certain types of ores including gold and pyrite.
Also used as a concrete anti-shrinking agent which reduces surface tension and minimizes shrinkage/cracking as water evaporates from concrete.
Diethylenetriamine (Deta) is also a building block for asphalt modification additives and in the manufacture of imidazoline based corrosion inhibitors.
A building block in the manufacture of imidazoline based corrosion inhibitors
Diethylenetriamine (DETA) is an aliphatic ethylene amine with two primary and one secondary amine groups.
Diethylenetriamine (Deta) is a clear, colorless liquid.
Typical application areas of Diethylenetriamine (Deta) include chelating agents, wet-strength resins, lubricant oil additives, oil field chemicals and polyamides for resins or epoxy curing agents.
Diethylenetriamine (DETA) by Huntsman is a curing agent for epoxy resins.
Diethylenetriamine (Deta) also functions as a corrosion inhibitor, surfactant, mineral processing aid and chelating agent.
Diethylenetriamine (Deta) is a clear, colorless, single-component grade with ammonia-like odor.
Diethylenetriamine (Deta) is suitable to produce thermoplastic polyamide resins for hot-melt adhesives. Diethylenetriamine (DETA) is recommended for sealants.
Diethylenetriamine (DETA) is a linear ethyleneamine containing two primary and one secondary nitrogen.
Diethylenetriamine (Deta) is a single-component product that is clear and colourless, with an ammonia-like odour.
Diethylenetriamine (Deta) by Dow is a versatile, mineral processing aid and epoxy curing agent.
Diethylenetriamine (Deta) contains two primary and one secondary nitrogen.
This easily derivatized product provides low vapor pressure.
Diethylenetriamine (Deta) offers consistent & predictable reaction products, high viscosity, low environmental impact and low sensitivity.
Diethylenetriamine(DETA) is a building block for asphalt modification additives.
Diethylenetriamine (Deta) is used in the manufacturing of imidazoline based corrosion inhibitors.
Diethylenetriamine (Deta) is suitable for harsh conditions.
Diethylenetriamine (Deta) Chemical Properties
Melting point: -40 °C
Boiling point: 206 °C
Density: 0.955 g/mL at 25 °C(lit.)
Vapor density: 3.6 (vs air)
Vapor pressure: 0.08 mm Hg ( 20 °C)
Refractive index: n20/D 1.484(lit.)
Fp: 90 °C
Storage temp.: Store below +30°C.
Solubility: Chloroform (Soluble), Methanol (Slightly)
pka: pK1:4.42(+3);pK2:9.21(+2);pK3:10.02(+1) (25°C)
Form: Liquid
Color: Clear
Odor: Strong ammoniacal; mildly ammoniacal.
PH: >12 (100g/l, H2O, 20℃)
Explosive limit: 1-10%(V)
Water Solubility: miscible
Sensitive: Air Sensitive
BRN: 605314
Exposure limits ACGIH: TWA 1 ppm (Skin)
NIOSH: TWA 1 ppm(4 mg/m3)
Stability: Stable, but absorbs carbon dioxide from the air. Incompatible with strong oxidizing agents, copper and its alloys.
InChIKey: RPNUMPOLZDHAAY-UHFFFAOYSA-N
LogP: -1.58 at 20℃
CAS DataBase Reference: 111-40-0(CAS DataBase Reference)
NIST Chemistry Reference: Diethylenetriamine (Deta)(111-40-0)
EPA Substance Registry System: Diethylenetriamine (Deta) (111-40-0)
Diethylenetriamine (Deta) is a corrosive yellow liquid and a solvent.
Diethylenetriamine (Deta) has a strong ammonia odor and is prone to absorbing moisture.
Diethylenetriamine (Deta) can dissolve in water, acetone, benzene, ether, methanol, but is not soluble in n-heptane.
Uses
Diethylenetriamine (Deta) is a solvent for sulfur, acidic gas, resin and dye intermediates for organic synthesis; saponification agent for acidic materials; fuel component; hardener for epoxy resins.
Reactions and uses
Diethylenetriamine (Deta) is a common curing agent for epoxy resins in epoxy adhesives and other thermosets.
Diethylenetriamine (Deta) is N-alkylated upon reaction with epoxide groups forming crosslinks.
In coordination chemistry, Diethylenetriamine (Deta) serves as a tridentate ligand forming complexes such as Co(dien)(NO2)3.
Like some related amines, Diethylenetriamine (Deta) is used in oil industry for the extraction of acid gas.
Like ethylenediamine, Diethylenetriamine (Deta) can also be used to sensitize nitromethane, making a liquid explosive compound similar to PLX.
Diethylenetriamine (Deta) is cap sensitive with an explosive velocity of around 6200 m/s and is discussed in patent #3,713,915.
Mixed with unsymmetrical dimethylhydrazine Diethylenetriamine (Deta) was used as Hydyne, a propellent for liquid-fuel rockets.
Diethylenetriamine (Deta) has been evaluated for use in the Countermine System under development by the U.S. Office of Naval Research, where it would be used to ignite and consume the explosive fill of land mines in beach and surf zones.
Industrial uses
Diethylenetriamine (Deta) is used as an intermediate in the production of reactive polyamide resins, and in the production of aminoamides and imidazolines from fatty acids.
Diethylenetriamine (Deta) is also used in the production of paper wet strength resins and piperazine.
Diethylenetriamine (Deta) serves as a solvent for sulfur, acid gases, resins and dyes.
Production Methods
Diethylenetriamine (Deta) is produced by the reaction of ethylene dichloride with ammonia.
Diethylenetriamine (Deta) is used in biological studies, for polyamines inhibition to carbonic anhydrases by anchoring to the zinc-coordinated water molecule.
Reactivity Profile
Diethylenetriamine (Deta) neutralizes acids in exothermic reactions to form salts plus water.
May be incompatible with isocyanates, halogenated organics, peroxides, phenols (acidic), epoxides, anhydrides, and acid halides.
Flammable gaseous hydrogen may be generated in combination with strong reducing agents, such as hydrides.