Aluminum hydroxide gel
A white, amorphous solid or gel. Aluminum hydroxide gel is produced by either soaking alumina trihydrate in dilute acid or by treating aluminum sulfate with an alkali. Aluminum hydroxide gel can be used for similar applications to alumina trihydrate. It is also used as a lubricant, an antacid, and as a filter medium. Additionally, aluminum hydroxide gel is used as a mordant for dyeing textiles and is used in the manufacture of glass and ceramic glazes.
Synonyms and Related Terms
hydrous aluminum oxide; alumina gel
Soluble in acid and alkali. Insoluble in water and ethanol.
Hazards and Safety
Sources Checked for Data in Record
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 355