Sebacic acid

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Chemical structure

Sebacic acid.jpg

White flaky crystals. Sebacic acid is obtained from heating Castor oil with Sodium hydroxide. It is used in the synthesis of alkyd, nylon, and polyester resins. Sebacic acid is also used as a Plasticizer.

Synonyms and Related Terms

1,8-octanedicarboxylic acid; sebacylic acid; decanedioic acid


  • Combustible.
  • Inhalation, ingestion and skin contact may cause irritation.
  • Fisher Scientific: MSDS

Physical and Chemical Properties

Soluble in ethanol, ether. Slightly soluble in water.

Composition HOOC(CH2)8COOH
CAS 111-20-6
Melting Point 133-134.5 C
Density 1.110-1.207 g/ml
Molecular Weight mol. wt.=102.07
Refractive Index 1.422
Boiling Point 295.0 C

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971
  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 8558

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