| Melting point |
58°C |
| Boiling point |
260°C |
| Density |
1.407 g/mL at 25 °C |
| refractive index |
n20/D 1.5174(lit.) |
| Flash point |
>230 °F |
| solubility |
Miscible with sulfuric acid. Immiscible with ammonia. |
| form |
Liquid |
| pka |
4.19±0.10(Predicted) |
| color |
Colorless |
| PH |
2.74(1 mM solution);1.83(10 mM solution);0.97(100 mM solution) |
| Water Solubility |
g/100g H2O: 426 (0°C), 567 (20°C), 1328 (30°C) [LAN05]; decomposed by alcohol [HAW93] |
| Merck |
14,8429 |
| Exposure limits |
ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 |
| Stability |
Stable, but decomposes on heating. Non-flammable. Incompatible with metals, combustible materials. Hygroscopic. |
| InChI |
1S/H2O4Se/c1-5(2,3)4/h(H2,1,2,3,4) |
| InChIKey |
QYHFIVBSNOWOCQ-UHFFFAOYSA-N |
| SMILES |
O[Se](O)(=O)=O |
| CAS DataBase Reference |
7783-08-6(CAS DataBase Reference) |
| EPA Substance Registry System |
Selenic acid (7783-08-6) |
