クエン酸カリウム

MSDS Information

• 2-Hydroxy-1,2,3-propanetricarboxylic acid tripotassium salt

クエン酸カリウム 化学特性,用途語,生産方法

• 定義

  本品は、クエン酸(*)のカリウム塩であり、次の化学式で表される。
  参照表示名称：クエン酸

• 解説

  …菓子や清涼飲料の酸味として添加されるほか，塩類が医薬品として用いられる。たとえば，クエン酸銅Cu2(C6H4O7)はトラコーマまたは濾胞性結膜炎の軟膏として，クエン酸カリウムK3(C6H5O7)･H2Oは利尿薬としてそれぞれ使われている。［クエン酸ナトリウムsodium citrate］　化学式Na3(C6H5O7)･2H2O。…
  株式会社平凡社 世界大百科事典 第２版について | 情報

• 化粧品の成分用途

  pH調整剤、キレート剤、緩衝剤

• 説明

  Potassium citrate is a potassium salt of citric acid with the molecular formula C₆H₅K₃O₇. It is a white, slightly hygroscopic crystalline powder. It is odorless with a saline taste.
  As a food additive, potassium citrate is used to regulate acidity and is known as E number E332. Medicinally, it may be used to control kidney stones derived from either uric acid or cystine.

• 化学的特性

  Colorless or white crystals or powder; cooling, saline taste; odorless; deliquescent. Soluble in water and glycerol; almost insoluble in alcohol.

• 使用

  potassium citrate is it acts as a buffer, maintaining product pH constant, a pH adjuster and a product stabilizer. This is a potassium salt.

• 定義

  ChEBI: The anhydrous form of the tripotassium salt of citric acid.

• 調製方法

  Potassium citrate is produced by adding potassium bicarbonate or potassium carbonate to a solution of citric acid until effervescence ceases, filtering the solution and evaporating to granulation.

• 工業用途

  Potassium citrate is used in the United Kingdom as an over-the-counter drug for the relief from discomfort experienced in mild urinary-tract infections by increasing the urinary pH. It should be not given to men if they experience pain in the kidney area (risk of kidney stones) or if blood or pus is present in the urine. Also, patients with raised blood pressure or diabetes should avoid taking potassium citrate without consultation with their general practitioner (GP). Caution is generally advised to patients with renal impairment, cardiac problems and the elderly [3a].

• 安全性プロファイル

  Poison by intravenous route. When heated to decomposition it emits toxic fumes of K2O.

• 予防処置

  Potassium citrate is usually administered by mouth in dilute aqueous solution. This is because of its somewhat caustic effect on the stomach lining, and the potential for other mild health hazards.
  In states where non-prescription potassium citrate is legal, the maximum allowable over-the-counter (OTC) dose for elemental potassium is regulated by the FDA to be no more than 100 mg (approximately 3 % of the daily allowance ) . Pure potassium citrate contains 38.28 % potassium.

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