| 融点 |
58°C |
| 沸点 |
260°C |
| 比重(密度) |
1.407 g/mL at 25 °C |
| 屈折率 |
n20/D 1.5174(lit.) |
| 闪点 |
>230 °F |
| 溶解性 |
Miscible with sulfuric acid. Immiscible with ammonia. |
| 外見 |
Liquid |
| 酸解離定数(Pka) |
4.19±0.10(Predicted) |
| 色 |
Colorless |
| PH |
2.74(1 mM solution);1.83(10 mM solution);0.97(100 mM solution) |
| 水溶解度 |
g/100g H2O: 426 (0°C), 567 (20°C), 1328 (30°C) [LAN05]; decomposed by alcohol [HAW93] |
| Merck |
14,8429 |
| 暴露限界値 |
ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 |
| 安定性： |
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 データベース |
7783-08-6(CAS DataBase Reference) |
| EPAの化学物質情報 |
Selenic acid (7783-08-6) |
