キサントトキシン

危険有害性情報のコード(GHS)

• 絵表示(GHS)

  

• 注意喚起語

  Warning

• 危険有害性情報

  H302：飲み込むと有害

  H317：アレルギー性皮膚反応を起こすおそれ

  H341：遺伝性疾患のおそれの疑い

  H351：発がんのおそれの疑い

• 注意書き

  P202：全ての安全注意を読み理解するまで取り扱わないこ と。

  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。

  P280：保護手袋/保護衣/保護眼鏡/保護面を着用するこ と。

  P301+P312：飲み込んだ場合：気分が悪い時は医師に連絡する 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。

  P308+P313：暴露または暴露の懸念がある場合：医師の診断/手当てを 受けること。

キサントトキシン 価格

MSDS Information

• Methoxsalen

キサントトキシン 化学特性,用途語,生産方法

• 外観

  白色～黄赤色～緑色粉末～結晶

• 溶解性

  水に不溶。エタノールに難溶。エーテルに可溶。クロロホルムに易溶。クロロホルムに溶けやすく、エタノール(95)に溶けにくく、水にほとんど溶けない。

• 用途

  薬理研究用。

• 効能

  白斑治療薬, 色素沈着改善薬

• 商品名

  オクソラレン (大正製薬); オクソラレン (大正製薬); オクソラレン (大正製薬)

• 説明

  8-Methoxypsoralen (8-MOP) and other psoralens are naturally found in plants, including common fruit and vegetable crops.

• 化学的特性

  White to cream-colored, crystalline solid; odorless. Slightly soluble in alcohol; practically insoluble in water. Combustible.

• 使用

  8-Methoxypsoralen, is used in Photochemotherapy (methoxsalen with long wave ultraviolet radiation) is indicated for the repigmentation of idiopathic vitiligo. It is also used in Photopheresis (methoxsalen with long wave ultraviolet radiation of white blood cells) is indicated for use with the UVAR* System in the palliative treatment of the skin manifestations of cutaneous T-cell lymphoma.

• 定義

  ChEBI: A member of the class of psoralens that is 7H-furo[3,2-g]chromen-7-one in which the 9 position is substituted by a methoxy group. It is a constituent of the fruits of Ammi majus. Like other psoralens, trioxsalen causes photosensitization of the skin. It is administered topically or orally in conjunction with UV-A for phototherapy treatment of vitiligo and severe psoriasis.

• 適応症

  Methoxsalen has effects similar to those of trioxsalen. Methoxsalen is superior to trioxsalen in producing erythema and tanning and is the drug used in PUVA therapy. Methoxsalen is also available as a 1% lotion.

• 一般的な説明

  Odorless white to cream-colored crystalline solid. Bitter taste followed by tingling sensation.

• 空気と水の反応

  Sensitive to light and air. Insoluble in water.

• 反応プロフィール

  8-Methoxypsoralen is incompatible with strong oxidizing agents.

• 火災危険

  Flash point data for 8-Methoxypsoralen are not available; however, 8-Methoxypsoralen is probably combustible.

• 接触アレルゲン

  This fur(an)ocoumarin is an phototoxic compound that causes phototoxic dermatitis. Many plants of the Apiaceae–Umbelliferae and most of the Rutaceae family contain 5-methoxypsoralen and 8-methoxypsoralen. Their spectra is in the UVA range (300–360 nm). It is used in combination with UVA to treat various skin disorders such as psoriasis.

• 安全性プロファイル

  Confirmed carcinogen. Poison by intraperitoneal route. Moderately toxic by ingestion and subcutaneous routes. Human mutation data reported. When heated to decomposition it emits acrid smoke and irritating fumes. A drug used to treat slun diseases.

• 環境運命予測

  The industrial use of 8-MOP results in its release into the environment through multiple pathways, and its existence as a natural substance in plants further expands exposure to the environment. Airborne 8-MOP will exist in the vapor and particulate phases, and will be degraded in air by reaction with photochemically produced hydroxyl radicals, with an estimated half-life of approximately 1.2 h, it may also be subject to direct photolysis by sunlight. Particulate 8-MOP will be removed from the atmosphere by wet or dry deposition. If released into the soil, it is expected to have high mobility and is not expected to volatilize. 8-MOP does not biodegrade. In aqueous environments, 8-MOP is not expected to hydrolyze, it will, however, adsorb to suspended solids and sediment. Due to 8-MOP’Ks resistance to degradation by many routes, it is expected to remain in the environment for a prolonged period, and as such will also be subject to long-range transport. 8-MOP has an estimated bioconcentration factor (BCF) of 9, meaning that bioconcentration and bioaccumulation are low in aquatic organisms.

• 純化方法

  Purify xanthotoxin by recrystallisation from *C6H6/pet ether (b 60-80o) to give silky needles, or from EtOH/Et2O to give rhombic prisms or from hot H2O to give needles. It is soluble in aqueous alkali due to ring opening of the cyclic lactone but recyclises upon acidification. It has UV max in EtOH at 219, 249 and 300nm (log  4.32, 4.35 and 4.06) and 1H NMR in CDCl3 with  at 7.76 (d, 1H, J 10 Hz), 7.71 (d, 1H, J 2.5 Hz), 7.38 (s, 1H), 6.84 (d, 1H, J 2.5 Hz), 6.39 (d, 1H, J 10 Hz) and 4.28 (s, 3H)ppm. [Nore & Honkanen J Heterocycl Chem 17 985 1980.] It is a DNA intercalator, is used in the treatment of dermal diseases, and is a human carcinogen [Tessman et al. Biochemistry 24 1669 1985.] [Beilstein 19 I 711, 19/6 V 15.]

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