| Identification | Back Directory | [Name]
AMMONIUM SELENATE | [CAS]
7783-21-3 | [Synonyms]
AMMONIUM SELENATE
selenicacid,diammoniumsalt | [EINECS(EC#)]
231-985-7 | [Molecular Formula]
H8N2O4Se | [MDL Number]
MFCD00015963 | [MOL File]
7783-21-3.mol | [Molecular Weight]
179.03 |
| Chemical Properties | Back Directory | [Melting point ]
decomposed by heating [MER06] | [density ]
d420 2.194 | [solubility ]
insoluble in ethanol, acetone | [form ]
white monoclinic crystals | [color ]
white monoclinic crystals, crystalline | [Water Solubility ]
g/100g solution H2O: 54.02 (25°C) [KRU93]; insoluble alcohol [HAW93] | [EPA Substance Registry System]
Selenic acid, diammonium salt (7783-21-3) |
| Hazard Information | Back Directory | [Chemical Properties]
Colorless crystals. Soluble in water, insoluble in alcohol. | [Uses]
Mothproofing agent. | [Purification Methods]
Crystallise the selenate from water at room temperature by adding EtOH and cooling. Its solubility in H2O is 117% at 7o and 197% at 100o. [King J Phys Chem 41 797 1937.] |
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