Ethylene bis(stearamide)

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Ethylene bis(stearamide)
Skelatal formula of ethylene bis stearamide
IUPAC name
N-[2-(Octadecanoylamino)ethyl]octadecanamide[citation needed]
Other names
3D model (Jmol)
Abbreviations EBS[citation needed]
ECHA InfoCard 100.003.415
EC Number 203-755-6
MeSH N,N'-ethylene+distearylamide
Molar mass 593.04 g·mol−1
Appearance White, waxy crystals
Odor Odourless
Melting point 144 to 146 °C (291 to 295 °F; 417 to 419 K)
GHS pictograms The exclamation-mark pictogram in the Globally Harmonized System of Classification and Labelling of Chemicals (GHS)
GHS signal word WARNING
H315, H319, H335
P261, P305+351+338
Irritant Xi
R-phrases R36/37/38
S-phrases S26, S36
Flash point 280 °C (536 °F; 553 K)
Related compounds
Related alkanamides
Stearamidopropyl dimethylamine
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Infobox references

Ethylene bis stearamide (EBS) is an organic compound with the formula (CH2NHC(O)C17H35)2. It is a waxy white solid and is also found as powder or beads that is widely used as a form release agent. The compound is derived from the reaction of ethylenediamine and stearic acid. It is a cheap, white solid of low toxicity that provides a slippery coating for a variety of applications.


EBS is a synthetic wax used as a dispersing agent or internal/external lubricant for benefits in plastic applications to facilitate and stabilize the dispersion of solid compounding materials to enhance processability, to decrease friction and abrasion of the polymer surface, and to contribute color stability and polymer degradation.

It is also used in process industries as release agent, antistatic agent and antifoaming agent for the production of thermoplastics, wiring, and paper.[1] It is used in powder metallurgy.[2]


  1. ^ Karsten Eller, Erhard Henkes, Roland Rossbacher, Hartmut Höke "Amines, Aliphatic" in Ullmann's Encyclopedia of Industrial Chemistry, Wiley-VCH, Weinheim, 2005. doi:10.1002/14356007.a02_001
  2. ^ Auborn, Joseph; Choo, Joon "Mechanisms of lubrication in powder metallurgy" Advances in Powder Metallurgy & Particulate Materials (1993), Volume 2, Compaction, Sintering and Secondary Operations), 17-25.