Aniline

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Contents

Description

A colorless, oily liquid with a sweet amine-like odor. Aniline was first isolated in 1826 by Unverdorben and made synthetically in 1841 by Fritzsche. It was the base material for many of the early synthetic dyes. As a result, colors produces from coal-tar derivatives are generally called aniline dyes. Aniline darkens to brown on exposure to air and light. Besides the manufacture of dyes, aniline is used as an accelerator and antioxidant in rubbers. It is also used to make polyurethane foams, fungicides, and explosives.

Synonyms and Related Terms

aminobenzene; benzenamine; phenylamine; aminophen; aniline oil; krstallin; kyanol

Chemical structure

Aniline.jpg


Other Properties

Soluble in ethanol, ether and benzene. Slightly soluble in water.

Composition C6H5NH2
CAS 62-53-3
Melting Point -6.2
Density 1.022
Molecular Weight mol. wt. = 93.1
Refractive Index 1.583
Boiling Point 184-186

Hazards and Safety

Highly toxic by ingestion, inhalation and skin absorption. Combustible forming toxic nitrogen oxides and aniline vapor.

International Chemical Safety Card

Sources Checked for Data in Record

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 59
  • R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983
  • Theodore J. Reinhart, 'Glossary of Terms', Engineered Plastics, ASM International, 1988 Comment: [http:/www.ekornes.com/stressless/leaglos1.html/ Link]
  • Website address 1 Comment: Laboratory Safety Information: Link
  • CRC Handbook of Chemistry and Physics, Robert Weast (ed.), CRC Press, Boca Raton, Florida, v. 61, 1980 Comment: ref. index=1.583

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