Aroclor

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Aroclor

Contents

Description

[Monsanto Chemical] A discontinued registered trademark for a series of polychlorinated biphenyl (PCB) compounds. Aroclor was first sold in 1930. It was available as viscous oils and thermoplastic solids with high refractive indices. It was commonly used as a mounting medium for microscope slides. Aroclor is no longer used because of its high toxicity. In fact, two Aroclors (1254 and 1260) were on the list of the 20 most toxic substance in the United States. Aroclor was discontinued in the United States in 1977.

Synonyms and Related Terms

Arachlor (sp)

Other Properties

Refractive indices range from 1.640 - 1.670.

Refractive Index 1.640-1.670

Hazards and Safety

Highly toxic by ingestion and inhalation.

Hazardous substances: Top Twenty List

International Chemical Safety Card

Authority

  • Thomas Gregory, Thomas Gregory, The Condensed Chemical Dictionary, Reinhold Publishing, New York, 3rd ed., 1942 Comment: p. 108
  • G.S.Brady, G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 392, 1248
  • Walter C. McCrone, John Gustave Delly, Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972

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