こはく酸 コリン クロリド

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

  H311：皮膚に接触すると有毒

  H315：皮膚刺激

  H319：強い眼刺激

  H332：吸入すると有害

  H335：呼吸器への刺激のおそれ

• 注意書き

  P261：粉じん/煙/ガス/ミスト/蒸気/スプレーの吸入を避ける こと。

  P264：取扱い後は皮膚をよく洗うこと。

  P264：取扱い後は手や顔をよく洗うこと。

  P270：この製品を使用する時に、飲食または喫煙をしないこ と。

  P271：屋外または換気の良い場所でのみ使用すること。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P301+P310：飲み込んだ場合：直ちに医師に連絡すること。

  P302+P352：皮膚に付着した場合：多量の水と石鹸で洗うこと。

  P304+P340：吸入した場合：空気の新鮮な場所に移し、呼吸しやすい 姿勢で休息させること。

  P305+P351+P338：眼に入った場合：水で数分間注意深く洗うこと。次にコ ンタクトレンズを着用していて容易に外せる場合は外す こと。その後も洗浄を続けること。

  P312：気分が悪い時は医師に連絡すること。

  P321：特別な処置が必要である（このラベルの．．． を見よ）。

  P322：特別な処置が必要である（このラベルの．．． を見よ）。

  P330：口をすすぐこと。

  P332+P313：皮膚刺激が生じた場合：医師の診断/手当てを受けるこ と。

  P361：汚染された衣類をすべて脱ぐこと。

  P362：汚染された衣類を脱ぎ、再使用す場合には洗濯をすること。

  P363：汚染された衣類を再使用す場合には洗濯をすること。

  P405：施錠して保管すること。

  P501：内容物/容器を．．．に廃棄すること。

こはく酸 コリン クロリド 価格

こはく酸 コリン クロリド 化学特性,用途語,生産方法

• 効能

  筋弛緩薬

• 説明

  Succinylcholine chloride is a potent relaxant of voluntary striated muscle but has little direct effect on smooth muscle. It has no anesthetic or pain-obliterating properties; therefore, immobilized animals remain completely conscious although unable to move. The duration of effect is quite brief because succinylcholine is rapidly destroyed by non-specific cholinesterases in the blood plasma and liver. Immobilization lasts five to 12 minutes in man and horses and somewhat longer in other species,with ruminants generally requiring longest recovery periods (Stowe et al. 1958).
  Since the discovery of its curariform properties in 1949, succinylcholine has been widely used for immobilization of animals and in human surgical procedures. Several workers have used succinylcholine on bears (Black 1958, Knudsen 1959, Craighead et al. 1960, Troyer et al. 1961,Hornocker 1962, Mundy 1963,Pearson et al. 1968, Jonkel and Cowan 1971 and Mundy and Flook 1973).
  Succinylcholine chloride is indicated as an adjunct to general anesthesia, to facilitate tracheal intubation, and to provide skeletal muscle relaxation during surgery or mechanical ventilation.

• 化学的特性

  Succinylcholine chloride is a white, odorless, slightly bitter powder and very soluble in water. The drug is unstable in alkaline solutions but relatively stable in acid solutions, depending upon the concentration of the solution and the storage temperature. Solutions of succinylcholine chloride should be stored under refrigeration to preserve potency.

• 使用

  A neuromuscular blocking agent. Muscle relaxant (skeletal).

• 定義

  ChEBI: A chloride salt in which the negative charge of the chloride ions is balanced by succinylcholine dications.

• 世界保健機関（WHO）

  Suxamethonium chloride is a short-acting muscle relaxant. It is used in surgery. Suxamethonium chloride is listed in the WHO Model List of Essential Drugs.

• 生物学の機能

  Succinylcholine chloride (Anectine) is the only depolarizing- type blocker that is in widespread clinical use. It produces neuromuscular block by overstimulation, so that the end plate is unable to respond to further stimulation. Structurally, succinylcholine is equivalent to two ACh molecules joined back to back. The resulting 10- carbon atom spacing between the two quaternary ammonium heads is important for activation of the two binding sites on the AChR. Because the succinylcholine molecule is “thin,” binding to the two sites does not sterically occlude the open channel, and cations are allowed to flow and depolarize the end plate.
  Neuromuscular block with succinylcholine occurs by two sequential events. An initial depolarization of the end plate produces muscle action potentials and fasciculation. Maintained depolarization past the threshold for firing produces Na channel inactivation, so that muscle action potentials cannot be generated. This is called phase I, or depolarization block. In the continued presence of succinylcholine, the membrane becomes repolarized, Na channel inactivation is reversed, and muscle membrane excitability is restored. Nonetheless, the neuromuscular block persists because of desensitization of the AChR. This is known as phase II, or desensitization block.
  Although the mechanism for phase II block is not completely understood, a series of allosteric transitions in the AChR is suspected. One model to describe this has the AChR in equilibrium among four conformations: resting, active, inactive, and desensitized. Agonists stabilize the active and desensitized states, whereas antagonists tend to stabilize the resting and possibly the desensitized state.

• 一般的な説明

  Succinylcholine chloride,choline chloride succinate (2:1) (Anectine, Sucostrin),is a white, odorless, crystalline substance that is freely solublein water to give solutions with a pH of about 4. It isstable in acidic solutions but unstable in alkali. Aqueous solutionsshould be refrigerated to ensure stability.
  Succinylcholine chloride is characterized by a very shortduration of action and a quick recovery because of its rapidhydrolysis after injection. It brings about the typical muscularparalysis caused by blocking nervous transmission at themyoneural junction. Large doses may cause temporary respiratorydepression, as with similar agents. Its action, in contrastwith that of (1)-tubocurarine, is not antagonized byneostigmine, physostigmine, or edrophonium chloride.These anticholinesterase drugs actually prolong the action ofsuccinylcholine chloride, which suggests that the drug isprobably hydrolyzed by cholinesterases. The brief durationof action of this curare-like agent is said to render an antidoteunnecessary if the proper supportive measures are available.Succinylcholine chloride has a disadvantage, however, inthat the usual antidotes cannot terminate its action promptly.

• 空気と水の反応

  Water soluble.

• 火災危険

  Flash point data for SUCCINYLCHOLINE CHLORIDE are not available. SUCCINYLCHOLINE CHLORIDE is probably combustible.

• 臨床応用

  Succinylcholine Chloride is used as a muscle relaxant for the same indications asother curare agents. It may be used for either short or longperiods of relaxation, depending on whether one or severalinjections are given. In addition, it is suitable for continuousintravenous drip administration.
  Succinylcholine chloride should not be used withthiopental sodium because of the high alkalinity of the latter.If used together, they should be administered immediatelyafter mixing; however, separate injection is preferable.

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