Aniline sulfate
Description
A toxic, white powder that is prepared by heating aniline with acid 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 grass esparto grass (Roberts and Etherington 1982).
Synonyms and Related Terms
aniline sulphate (Br.)
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.
Authority
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 11687
- Matt Roberts, Don Etherington, 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, Book and Paper Group, Paper Conservation Catalog, AIC, 1984, 1989
- Aldrich Chemical Catalog