セレンスルフィド

セレンスルフィド 化学特性,用途語,生産方法

• 説明

  Selenium sulfide is a selenium salt that exists as a yellow-orange to bright-orange tablet or powder at room temperature. It is insoluble in water or ether and soluble in carbon disulphide. It is incompatible with acids, metals, strong oxidising agents, chromium trioxide, potassium bromate, silver oxide, and ammonia. Selenium sulfide is used as an active ingredient in anti-dandruff shampoos and as a constituent of fungicides.
  Selenium sulfide is an anti-fungal agent as well as a cytostatic agent, slowing the growth of hyperproliferative cells in seborrhoea. Selenium sulfide is the active ingredient often used in shampoos for the treatment of dandruff, seborrheic dermatitis, and tinea capitis, a fungal infection that is primarily a disease of preadolescent children. Selenium sulfide is highly active in inhibiting the growth of P. ovale. It is also a proven cytostatic agent, slowing the growth of both hyperproliferative and normal cells in dandruff and seborrheic dermatitis. A 0.6% micronised form of Selenium sulfide is also safe and effective for dandruff. Selenium sulfide is not present in foods and is a very different chemical from the organic and inorganic selenium compounds found in foods and in the environment.

• 化学的特性

  There are various selenium sulfides: Selenium monosulfide, SeS, is orange-yellow powder or tablets,

• 使用

  Selenium sulfide (SeS2) is used for some medicines, as an additive for medicated shampoos to control dandruff and scalp itching, and in treatment products for acne and eczema.

• 一般的な説明

  Orange-yellow tablets or powder. Has a faint odor.

• 空気と水の反応

  Insoluble in water.

• 反応プロフィール

  Ignition takes place when Selenium sulfide is ground with silver oxide. . Inorganic sulfides, such as Selenium sulfide, are generally basic and therefore incompatible with acids. Many of these compounds are reducing agents and therefore react vigorously with oxidizing agents, including inorganic oxoacids, organic peroxides and epoxides. Simple salts of sulfides (such as sodium, potassium, and ammonium sulfide) react vigorously with acids to release hydrogen sulfide gas.

• 危険性

  Toxic by ingestion, strong irritant to eyes and skin. Questionable carcinogen.

• 火災危険

  Flash point data for Selenium sulfide are not available; however, Selenium sulfide is probably combustible.

• 臨床応用

  Selenium sulfide is a cytostatic and sporicidal agent available without prescription in a variety of shampoos and lotions for treatment of scalp seborrheic dermatitis.

• 安全性プロファイル

  Confirmed carcinogen with experimental carcinogenic data. Poison by ingestion. Mutation data reported. When heated to decomposition it emits very toxic fumes of SO, and Se. See also SELENIUM COMPOUNDS and SULFIDES.

• 職業ばく露

  Selenium sulfide is used for the treatment of seborrhea, especially in shampoos. The chemical is available over the counter as Selsun, a stabilized buffered suspension. FDA reports that selenium sulfide is an active ingredient in some drug products used for the treatment of dandruff and certain types of dermatitis. A dandruff shampoo containing 1% selenium sulfide is available without a prescription and is recommended for use once or twice a week. By prescription, selenium sulfide is available in a 2.5% shampoo or lotion, with the recommended application limited to 10 minutes for 7 days to avoid the possibility of acute toxic effects. Selenium sulfide is also used topically in veterinary medicine for eczemas and dermatomycoses.

• 発がん性

  Selenium sulfide is reasonably anticipated to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in experimental animals.

• 輸送方法

  UN2657 Selenium disulfide, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.

• 不和合性

  Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Violent reaction with silver oxide.

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