Aniline sulfate

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Contents

Description

A toxic, white powder that is prepared by heating aniline with sulfuric acid. A 1% solution of aniline sulfate can be used as a reagent for the detection of mechanical pulp paper. Lignin containing fibers, such as groundwood or jute, give a positive yellow color reaction. Cotton, linen, and hemp turn the solution brown. A pink color is a positive reaction for the presence of esparto grass (Roberts and Etherington 1982).

Synonyms and Related Terms

aniline sulphate (Br.)

Chemical structure

Aniline sulfate.jpg


Other Properties

Soluble in water.

Composition (C6H5NH2)2-H2SO4
CAS 542-16-5
Density 1.38
Molecular Weight mol. wt. = 284.33

Hazards and Safety

Toxic by inhalation, ingestion and skin contact. Very toxic to aquatic organisms. Light sensitive. Hygroscopic. Combustible.

Fisher Scientific: MSDS

Additional Information

M.Roberts, D.Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington, DC, 1982.

Sources Checked for Data in Record

  • The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 11687
  • Matt Roberts, Don Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington DC, 1982
  • Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
  • Aldrich Chemical Catalog

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