1,3,5-Trioxane
三聚甲醛 · تريوكسان · Trioxan · 1,3,5-triossano · 1,3,5-トリオキサン · Trioxaan · 1,3,5-trioksan · 1,3,5-Trioksan · Триоксиметилен · 1,3,5-트라이옥세인 · 1,3,5-Trioksan
| CAS | 110-88-3 |
|---|---|
| EC | 203-812-5 |
| UN | 1325 |
| Formula | C3H6O3 |
| Molar mass | 90.08 g/mol |
| LEL | 3.2 % vol |
| UEL | 29.0 % vol |
| Flash point | 45 °C |
| Autoignition temperature | 410 °C |
| Temperature class | T2 |
| Gas group | IIB |
| Relative density of the gas or vapour (air = 1) | 3.11 |
| GHS | Danger · H228, H335, H361d |
1,3,5-trioxane is a saturated organic heteromonocyclic parent that is cyclohexane in which the carbon atoms at positions 1, 3 and 5 are replaced by oxygen atoms. It is a saturated organic heteromonocyclic parent and a trioxane. Transparent crystals or white crystalline solid with a pleasant odor resembling the odor of chloroform. Melts at 62 °C; boils at 115 °C without polymerization. The cyclic trimer of formaldehyde.