Difference between revisions of "Aniline sulfate"
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== Description == | == Description == | ||
| − | A toxic, white powder that is prepared by heating [ | + | A toxic, white powder that is prepared by heating [[aniline|aniline]] with [[sulfuric%20acid|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|Cotton]], [[linen|linen]], and [[hemp|hemp]] turn the solution brown. A pink color is a positive reaction for the presence of [[esparto%20grass|esparto grass]] (Roberts and Etherington 1982). |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
Revision as of 13:54, 7 January 2014
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.)
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, 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