Selenic acid
From Wikipedia, the free encyclopedia
| Selenic acid | |
|---|---|
| Image:Selenic acid.jpg | |
| General | |
| Systematic name | Selenic(VI) acid |
| Other names | Selenic acid |
| Molecular formula | H2SeO4 |
| SMILES | ? |
| Molar mass | 144.9734 g/mol |
| Appearance | white crystalline solid |
| CAS number | [7783-08-6] |
| Properties | |
| Density and phase | 2.95 g/cm3, solid |
| Solubility in water | 130 g/100 ml (30 °C) |
| solubility info
on other solvents |
soluble in
conc. sulfuric acid, insoluble in liquid ammonia and dilute alcohol |
| Melting point | 58 °C (331 K) |
| Boiling point | 260 °C (533 K) (decomposes) |
| Acidity (pKa) | ? |
| Basicity (pKb) | ? |
| Chiral rotation [α]D | ?° |
| Viscosity | ? cP at ? °C |
| Structure | |
| Molecular shape | ? |
| Coordination geometry |
? |
| Crystal structure | ? |
| Dipole moment | ? D |
| Hazards | |
| MSDS | External MSDS |
| Main hazards | Corrosive, highly toxic |
| NFPA 704 |
0
3
2
OX
|
| Flash point | ? °C |
| R/S statement | R: ? S: ? |
| RTECS number | ? |
| Supplementary data page | |
| Structure and properties |
n, εr, etc. |
| Thermodynamic data |
Phase behaviour Solid, liquid, gas |
| Spectral data | UV, IR, NMR, MS |
| Related compounds | |
| Other anions | selenate |
| Other cations | selenyl ion, SeO22+ |
| Related ? | ? |
| Related compounds | sulfuric acid, chromic acid |
| Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references |
|
Selenic acid, H2SeO4, is a selenium oxoacid.
Selenic acid is analogous to sulfuric acid and has similar properties; however, it is a stronger oxidizer and more acidic. It forms salts called selenates which follow very similarly the solubility patterns of sulfates.
[edit] External links
 |
This inorganic compound-related article is a stub. You can help Wikipedia by expanding it. |
