Difference between revisions of "Arsenic acid"
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== Description == | == Description == | ||
| − | A white translucent, crystalline compound. Arsenic acid is formed by the action of [ | + | A white translucent, crystalline compound. Arsenic acid is formed by the action of [[nitric%20acid|nitric]] or [[sulfuric%20acid|sulfuric acid]] on [[arsenic|arsenic]]. It is used in glass manufacture, textile printing, and as a [[wood%20preservative|wood preservative]] and [[insecticide|insecticide]]. |
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| Line 7: | Line 7: | ||
orthoarsenic acid; acid of arsenic | orthoarsenic acid; acid of arsenic | ||
| − | == | + | ==Physical and Chemical Properties== |
Soluble in water ethanol, alkali, glycerol. | Soluble in water ethanol, alkali, glycerol. | ||
| Line 20: | Line 20: | ||
|- | |- | ||
! scope="row"| Melting Point | ! scope="row"| Melting Point | ||
| − | | 35.5 | + | | 35.5 C |
|- | |- | ||
! scope="row"| Density | ! scope="row"| Density | ||
| − | | 2-2.5 | + | | 2-2.5 g/ml |
|- | |- | ||
! scope="row"| Molecular Weight | ! scope="row"| Molecular Weight | ||
| Line 29: | Line 29: | ||
|} | |} | ||
| − | == | + | == Risks == |
| − | Highly toxic by ingestion and inhalation. | + | * Highly toxic by ingestion and inhalation. |
| + | * Carcinogenic and mutagenic | ||
| + | * NIH: [https://pubchem.ncbi.nlm.nih.gov/compound/Arsenic-acid Arsenic Acid] | ||
| − | == | + | ==Resources and Citations== |
* G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 69 | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 69 | ||
Latest revision as of 07:04, 30 April 2022
Description
A white translucent, crystalline compound. Arsenic acid is formed by the action of nitric or Sulfuric acid on Arsenic. It is used in glass manufacture, textile printing, and as a Wood preservative and Insecticide.
Synonyms and Related Terms
orthoarsenic acid; acid of arsenic
Physical and Chemical Properties
Soluble in water ethanol, alkali, glycerol.
| Composition | H3AsO4 |
|---|---|
| CAS | 7778-39-4 |
| Melting Point | 35.5 C |
| Density | 2-2.5 g/ml |
| Molecular Weight | mol. wt. = 141.94 |
Risks
- Highly toxic by ingestion and inhalation.
- Carcinogenic and mutagenic
- NIH: Arsenic Acid
Resources and Citations
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 69
- Richard S. Lewis, Hawley's Condensed Chemical Dictionary, Van Nostrand Reinhold, New York, 10th ed., 1993
- Susan E. Schur, Conservation Terminology: A review of Past & Current Nomenclature of Materials, Technology and Conservation, Spring (p.34-39); Summer (p.35-38); Fall (p.25-36), 1985
- The Merck Index, Martha Windholz (ed.), Merck Research Labs, Rahway NJ, 10th edition, 1983 Comment: entry 843