Colophony

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Description

(moved all information to rosin)

Synonyms and Related Terms

rosin; wood rosin; sound glue; Greek pitch; violin rosin; gum rosin; colophonium; balsam; gum thus; pine resin; yellow resin; abietic anhydride;

Other Properties

Soluble in ethanol, acetone, turpentine and acetic acid. Insoluble in water.

Acid value = 150-180. Saponification number = 150-200.

CAS 8050-09-7
Melting Point 100-150
Density 1.1
Refractive Index 1.525

Hazards and Safety

Dust may cause irritation to skin, eyes and nasal passages. Combustible, burning with a yellow, sooty flame.

LINK: International Chemical Safety Card

Additional Information

M.Doerner, The Materials of the Artist, Harcourt, Brace & Company, 1934.

Sources Checked for Data in Record

  • Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • Encyclopedia Britannica, http://www.britannica.com Comment: Rosin. Retrieved May 26, 2003, from Encyclopædia Britannica Premium Service.
  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 672
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • M. Doerner, The Materials of the Artist, Harcourt, Brace & Co., 1934
  • Hermann Kuhn, Conservation and Restoration of Works of Art and Antiquities, Butterworths, London, 1986
  • Thomas B. Brill, Light Its Interaction with Art and Antiquities, Plenum Press, New York City, 1980 Comment: ref. index = 1.525; old CAS # 1065-31-2
  • Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988

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