Selenium dioxide appears as a white or creamy-white volatile lustrous crystal or crystalline powder with a pungent sour smell. Melting point 340 deg C. Density 3.954 g / cm3. Toxic by ingestion and inhalation.
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⚠️ Bilgi amaçlıdır; resmî Güvenlik Bilgi Formu (SDS) yerine geçmez.
Selenium dioxide appears as a white or creamy-white volatile lustrous crystal or crystalline powder with a pungent sour smell. Melting point 340 deg C. Density 3.954 g / cm3. Toxic by ingestion and inhalation.
| Fiziksel görünüm | Selenium dioxide appears as a white or creamy-white volatile lustrous crystal or crystalline powder with a pungent sour smell. Melting point 340 deg C. Density 3.954 g / cm3. Toxic by ingestion and… |
| Renk / Form | Lustrous tetragonal needles; yellowish green vapor |
| Koku | Vapor has a pungent sour smell |
| Erime noktası | 340 °C under pressure |
| Kaynama noktası | 599 °F at 760 mmHg (sublimes) (USCG, 1999) |
| Yoğunluk | 3.95 at 68 °F (USCG, 1999) - Denser than water; will sink |
| Çözünürlük | Soluble in concentrated sulfuric acid |
| Buhar basıncı | 12.5 mm Hg at 70 °C; 20.2 mm Hg at 94 °C; 39.0 mm Hg at 181 °C; 760 mm Hg at 315 °C; 848 mm Hg at 320 °C |
| Kırılma indisi | Index of refraction: less than 1.76 at 20 °C/D |
| Kararlılık | Stable to light and heat. |
| IUPAC Adı | selenium dioxide |
| Молекулалық формула | O2Se |
| Молекулалық салмақ | 110.97 g/mol |
| CAS | 7446-08-4 |
| SMILES | O=[Se]=O |
| InChIKey | JPJALAQPGMAKDF-UHFFFAOYSA-N |
| Katalog No | KC.1910026 |
| Ambalaj seçenekleri | 100GM · 500GM |
⚠️ Bilgi amaçlıdır; resmî SDS yerine geçmez.