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Substance Name: Gum mastic
RN: 61789-92-2


  • Dried tree sap from the MASTIC TREE that is used in TRADITIONAL MEDICINE and chewed as gum.
  • TSCA Definition 2019: Extractives and their physically modified derivatives. It is a product which may contain resin acids and their esters, terpenes, and oxidation or polymerization products of these terpenes. (Pistacia lentiscus, Anacardiaceae).

Molecular Formula

  • Unspecified

Classification Codes

  • Natural Product
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Names and Synonyms

Name of Substance

  • Gum mastic

MeSH Heading

  • Mastic Resin


  • Balsams, Pistacia lentiscus
  • EINECS 263-098-6
  • Gum mastic
  • Gums and mucilages, mastic
  • Lentiscus absolute
  • Lentisk absolute
  • Lentisque absolute
  • Lentisque oil
  • Mastic
  • Mastic (resin)
  • Mastic absolute
  • Mastic absolute (Pistacia lentiscus)
  • Mastic gum
  • Mastic oil
  • Mastic oleoresin
  • Mastic resinoid
  • Mastix
  • Pistacia lentiscus absolute
  • Resins, mastic

Systematic Names

  • Mastic (resin)
  • Mastic, resin

Superlist Name

  • Mastic

Registry Numbers

CAS Registry Number

  • 61789-92-2

System Generated Number

  • 0061789922


Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
rabbit LD50 skin > 5gm/kg (5000mg/kg)   Food and Chemical Toxicology. Vol. 30, Pg. 71S, 1992.
rat LDLo oral 5gm/kg (5000mg/kg)   Food and Chemical Toxicology. Vol. 30, Pg. 71S, 1992.