テトラカイン

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Danger

• 危険有害性情報

  H301：飲み込むと有毒

  H317：アレルギー性皮膚反応を起こすおそれ

  H351：発がんのおそれの疑い

• 注意書き

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

テトラカイン 価格

テトラカイン 化学特性,用途語,生産方法

• 外観

  白色～ほとんど白色粉末～結晶

• 効能

  表面麻酔薬

• 化学的特性

  White or light-yellow, waxy solid. Very slightly soluble in water; soluble in alcohol, ether, benzene, chloroform.

• 使用

  Tetracaine has been used as an anesthetic and to lower the glucose synthesis in upper small intestinal infusions. It has also been used to inhibit ryanodine receptors (RyRs) in rats.

• 定義

  ChEBI: A benzoate ester in which 4-N-butylbenzoic acid and 2-(dimethylamino)ethanol have combined to form the ester bond; a local ester anaesthetic (ester caine) used for surface and spinal anaesthesia.

• 生物学の機能

  Tetracaine hydrochloride (Pontocaine) is an ester of PABA that is an effective topical local anesthetic agent and also is quite commonly used for spinal (subarachnoid) anesthesia. Epinephrine is frequently added to prolong the anesthesia.Tetracaine is considerably more potent and more toxic than procaine and cocaine. It has approximately a 5-minute onset and 2 to 3 hours of action.

• 一般的な説明

  Tetracaine was developed to address the low potency andshort duration of action of procaine and chloroprocaine. The addition of the butyl side chain on the para nitrogen increasesthe lipid solubility of the drug and enhances the topical potencyof tetracaine. The plasma half-life is 120 to 150 seconds.Topically applied tetracaine to unbroken skin requires 30 to 45minutes to confer topical anesthesia. Tetracaine 4% gel is superiorthan eutectic mixture with lidocaine (EMLA) (an emulsionof lidocaine and prilocaine) in preventing pain associatedwith needle procedures in children. Tetracaine metabolism issimilar to procaine ester metabolism yielding parabutylaminobenzoicacid and dimethylaminoethanol and conjugatesexcreted in the urine. The pKa of the dimethylated nitrogen is8.4 and tetracaine is formulated as a hydrochloride salt with apH of 3.5 to 6.0. The increased absorption from topical siteshas resulted in reported toxicity. Overdoses of tetracaine mayproduce central nervous system (CNS) toxicity and seizure activitywith fatalities from circulatory depression reported.No selective cardiac toxicity is seen with tetracaine althoughhypotension has been reported. Tetracaine is employed for infiltrationanesthesia, spinal anesthesia, or topical use.

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テトラカイン 生産企業

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