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CAS號：7446-11-9
英文名稱：Sulfur trioxide
英文同義詞：SO3;Sulfan;SULFAN(R);sulfuricoxide;Sulfuric oxide;SULFUR TRIOXIDE;Schwefeltrioxid;SULPHUR TRIOXIDE;Sulfur oxide (SO3);Oxosulfane dioxide
中文名稱：三氧化硫
中文同義詞：硫酸酐;三氧化硫;硫酸酐(液);三氧化硫(液);三氧化硫(禁運)
CBNumber：CB5854196
分子式：O3S
分子量：80.06
MOL File：7446-11-9.mol
熔點：16.8 °C(lit.)
沸點：44.8 °C
密度：1.97 g/mL at 25 °C(lit.)
蒸氣密度：2.8 (vs air)
蒸氣壓：280 mm Hg ( 25 °C)
儲存條件：Indoors
形態：colorless liquid
水溶解性：reacts violently
Merck：13,9069
穩定性：Stable. Incompatible with organic materials, finely powdered metals, bases, water, cyanides and a wide variety of other chemicals. Reacts violently with water, oxygen and other chemicals - read a full data sheet before use.
CAS 數據庫：7446-11-9(CAS DataBase Reference)
NIST化學物質信息：Sulfur trioxide(7446-11-9)
EPA化學物質信息：Sulfur trioxide (7446-11-9)