硫黄(VI)トリオキシド

硫黄(VI)トリオキシド 物理性質

融点 : 16.8 °C(lit.) 沸点 : 44.8 °C 比重(密度) : 1.97 g/mL at 25 °C(lit.) 蒸気密度: 2.8 (vs air) 蒸気圧: 280 mm Hg ( 25 °C) 貯蔵温度 : Indoors 水溶解度 : reacts violently Merck : 13,9069 安定性：: 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 データベース: 7446-11-9(CAS DataBase Reference) NISTの化学物質情報: Sulfur trioxide(7446-11-9) EPAの化学物質情報: Sulfur trioxide(7446-11-9)

安全性情報

主な危険性 : O,T+,C Rフレーズ : 45-8-14-26-34-37-35 Sフレーズ : 53-17-26-36/37/39-45-8-25-30 RIDADR : UN 1829 8/PG 1 WGK Germany : 1 RTECS 番号: WT4830000 国連危険物分類 : 8 容器等級 : I 有毒物質データの: 7446-11-9(Hazardous Substances Data)

硫黄(VI)トリオキシド MSDS Sulfuric anhydride

硫黄(VI)トリオキシド 化学特性,用途語,生産方法

化学的特性 Needles or polymer 一般的な説明 Sulfur trioxide, is a colorless to white crystalline solid which will fume in air. Often shipped with inhibitor to prevent polymerization. Sulfur trioxide reacts violently with water to form sulfuric acid with the release of heat. Sulfur trioxide is corrosive to metals and tissue. Sulfur trioxide causes eye and skin burns. Ingestion causes severe burns of mouth esophagus and stomach. The vapor is very toxic by inhalation. Sulfur trioxide is a fire risk when in contact with organic materials such as wood, cotton, fiberboard, etc. 空気と水の反応 Combines with water with explosive force, forming sulfuric acid due to its acidity Sulfur trioxide chars most organic substances. On exposure to air Sulfur trioxide absorbs moisture rapidly, emitting dense white fumes [Merck 11th ed. 1989]. 反応プロフィール The reaction of Sulfur trioxide and oxygen difluoride is very vigorous and explosions occur if the reaction is carried out in the absence of a solvent [J. Chem. Eng. Data 13(4):529-531. 1968]. The reaction of Sulfur trioxide in excess with tetrafluoroethylene causes explosive decomposition to carbonyl fluoride and sulfur dioxide [Chem. Eng. News 49(22):3. 1971]. The reaction of anhydrous perchloric acid with Sulfur trioxide is violent and accompanied by the evolution of considerable heat (Pascal 16:300 1931-34). Liquid Sulfur trioxide reacts violently with nitryl chloride, even at 75° C. The reaction of Sulfur trioxide and lead oxide causes white luminescence [Mellor 7:654 1946-47]. The combination of iodine, pyridine, Sulfur trioxide, and formamide developed a gas over pressurization after several months. This is due to the slow formation of sulfuric acid, from external water or dehydration of the formamide to hydrogen cyanide. 健康ハザード Sulfur trioxide is highly toxic. It is an irritant and corrosive to mucous membranes. Poisonous if inhaled or swallowed. Contact causes severe burns to skin and eyes. 火災危険 Fire risk in contact with organic materials. An explosive increase in vapor pressure occurs when the alpha form melts. Combines with water with explosive violence, forming sulfuric acid. May ignite other combustible materials (wood, paper, oil, etc.). Flammable poisonous gases may accumulate in tanks and hopper cars. Runoff to sewer may create fire or explosion hazard. Forms sulfuric acid on contact with water. Avoid water and organic materials. On exposure to air, Sulfur trioxide absorbs moisture and emits dense white fumes.

硫黄(VI)トリオキシド 上流と下流の製品情報

原材料 硫黄 二酸化イオウ 酸素 三硫化二鉄 硫酸水素

準備製品 ドデシル硫酸ナトリウム (JIS K 3363-1990) [合成洗剤の生分解度試験用] 2-モルホリノエタンスルホン酸 フェノール ドデセン-1 LAS レソルシノール クロロスルホン酸 スルファミン酸 3-アミノベンゼンスルホン酸 カルシウム＝ビス（ドデシルベンゼンスルホナト） 銅(I)クロリド 4-フェニルフェノール 酸化クロム N-シクロヘキシルスルファミン酸 ナトリウム 塩化チオニル (約1mol/Lジクロロメタン溶液) 硫酸水素 ジメチル硫酸

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