Potassium arsenate
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Description
White powder or colorless crystals. Potassium arsenate was used for preserving hides and printing textiles. It was also used as an insecticide, especially in fly paper.
Synonyms and Related Terms
Macquer's salt; potassium acid arsenate; potassium dihydrogen arsenate; arseniate of potash
Other Properties
Soluble in water, glycerol. Insoluble in ethanol.
| Composition | KH2AsO4 |
|---|---|
| CAS | 7784-41-0 |
| Melting Point | 288 |
| Density | 2.867 |
| Molecular Weight | mol. wt. = 180.0 |
Hazards and Safety
Toxic by ingestion and inhalation. Skin contact causes irritation.
International Chemical Safety Card
Additional Information
L. Goldberg, A History Of Pest Control Measures In The Anthropology Collections, National Museum Of Natural History, Smithsonian Institution, JAIC (35):23-43, 1996
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 7767