CHEMICAL AND PHYSICAL PROPERTIES
| Physical Description | Colorless to white solid; [ICSC] |
|---|---|
| Color/Form | Powder |
| Taste | Mild alkaline taste |
| Melting Point | 57 °C when rapidly heated |
| Solubility | Very sol in water; slightly sol in alcohol |
| Density | 1.87 |
| Stability/Shelf Life | EFFLORESCES IN WARM AIR /SODIUM ARSENATE HEPTAHYDRATE/ |
| Decomposition | When heated to decomposition it emits toxic fumes of arsenic. |
| Other Experimental Properties | Crystals; odorless; MP: 57 °C; density: 1.87; sol 1:3 parts water; sol in glycerol; slightly sol in alcohol; aq soln alkaline to litmus; loses 5 H2O @ 50 °C; anhyd @ 100 °C; @ 150 °C or higher converted to pyroarsenate. /Heptahydrate/ |
| Chemical Classes | Metals -> Arsenic Compounds, Inorganic |
COMPUTED DESCRIPTORS
| Molecular Weight | 185.907 g/mol |
|---|---|
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 185.888617 g/mol |
| Monoisotopic Mass | 185.888617 g/mol |
| Topological Polar Surface Area | 83.4 Ų |
| Heavy Atom Count | 7 |
| Formal Charge | 0 |
| Complexity | 46.5 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| Covalently-Bonded Unit Count | 3 |
| Compound Is Canonicalized | Yes |
PRODUCT INTRODUCTION
description
Disodium hydrogenarsenate is an inorganic sodium salt composed from sodium cations and arsenate dianions in a 2:1 ratio. It has a role as a poison. It contains an arsenate(2-).