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| | POTASSIUM ARSENATE Basic information |
| Product Name: | POTASSIUM ARSENATE | | Synonyms: | ARSENIC ACID POTASSIUM SALT;POTASSIUM DIHYDROGEN ARSENATE;POTASSIUM ARSENATE;POTASSIUM ARSENATE MONOBASIC;arsenic acid potassium;monopotassium arsenate;Potassium arsenate monobasic anhydrous;POTASSIUM DIHYDROGENARSENATE, 99.9+% | | CAS: | 7784-41-0 | | MF: | AsH2KO4 | | MW: | 180.03 | | EINECS: | 232-065-8 | | Product Categories: | | | Mol File: | 7784-41-0.mol |  |
| | POTASSIUM ARSENATE Chemical Properties |
| Melting point | 277-283 °C(lit.) | | density | 2.867 | | solubility | : clear to very slightly hazy, colorless to faintly yellow | | form | powder | | color | white to off-white | | Specific Gravity | 2.8 | | Water Solubility | g/100g solution H2O: 15.7 (0°C), 23.6 (25°C), 48.0 (100°C); solid phase, KH2AsO4 ·H2O (0°C, 25°C), KH2AsO4 (100°C) [KRU93]; slowly soluble in 1.6 parts glycerol; insoluble alcohol [MER06] | | Merck | 13,7689 | | EPA Substance Registry System | Potassium arsenate (7784-41-0) |
| | POTASSIUM ARSENATE Usage And Synthesis |
| Chemical Properties | Colorless crystals.
Soluble in water; insoluble in alcohol. | | Chemical Properties | Potassium arsenate is a colorless to white crystalline solid. | | Uses | In the textile, tanning, and paper industries. In insecticidal formulations (especially fly paper). | | Preparation |
Monopotassium arsenate(V) is prepared by calcining a mixture of equal parts of arsenic oxide and potassium nitrate in cast-iron cylinders, leach ing the melt with water, and concentrating the solution with arsenic acid. It forms white crystal crusts.
| | Hazard | Toxic by ingestion and inhalation, strong
irritant. | | Safety Profile | Confirmed human
carcinogen. Mutation data reported. When
heated to decomposition it emits toxic
fumes of arsenic. See also ARSENIC
COMPOUNDS. | | Potential Exposure | Potassium arsenate is used in the textile, tanning, preserving hides; in the textile printing and paper industries; and as an insecticide in fly baits, especially for fly paper; as laboratory reagent. | | Shipping | UN1677 Potassium arsenate, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. | | Incompatibilities | A weak base. Reacts with strong oxidizers, bromine azide, acids and decomposes on contact with strong acids producing acetic acid fumes. Arsine, a very deadly gas, can be released in the presence of acid, acid mists, or hydrogen gas. |
| | POTASSIUM ARSENATE Preparation Products And Raw materials |
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