Ethylene Diamine

Cas Number


Other Names

Edamine 1,2-Diaminoethane

The formula



Ethylenediamine (abbreviated as en when a ligand) is an organic compound. This colorless liquid with an ammonia-like odor is a strongly basic amine. It is a widely used building block in chemical synthesis, with approximately 500,000 tonnes produced in 1998.

Physical and Chemical Properties
Physical state and appearance Liquid. (clear viscous liquid.)
Odor Ammoniacal.
Molecular weight 60.1 g/mole
Ph (1% soln/water): not available
Color Yellow.
Boiling point 117.2°c (243°f)
Critical temperature Not available.
Flash point Closed cup: 34°c (93.2°f).
Melting point 8.5°c (47.3°f)
Specific gravity 0.897 - 0.910 (water = 1)
Vapor pressure: 10.7 mm of hg (@ 20°c)
Vapor density 2.07 (air = 1)
Volatility 100% (v/v).
Odor threshold 10.2 ppm
Dispersion properties See solubility in water
Solubility Easily soluble in cold water
ASSAY 99.0% min
DISTILLATION RANGE 115 C min (I.B.P), 119C max (D.P.)
WATER 0.55% max

1. As a solvent, it is miscible with polar solvents and is used to solubilize proteins such as albumins and casein. It is also used in certain electroplating baths

2. As a corrosion inhibitor in paints and coolants

3. ethylenediamine dihydroiodide (eddi) is added to animal feeds as a source of iodide

4. Chemicals for color photography developing, binders, adhesives, fabric softeners, curing agents for epoxys, and dyes

5. Ethylenediamine (edamine) is a common organic additive to the plant in vitro culture murashige and skoog medium