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外観
暗緑色の粉末
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定義
本品は、平成15年厚労省令第126号に示される緑色201号又はそのアルミニウムレーキである。
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溶解性
水に溶け、エタノール及びアセトンに溶けにくい。
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用途
緑色染料、化粧品原料。
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化粧品の成分用途
着色剤
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化学的特性
dark green powder
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使用
For nylon sutures: Fed. Regist. 42, 52395 (1977). Permitted for use in drugs and cosmetics, excluding use in eye area: ibid. 47, 49628 (1982).
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製造方法
(a) ?anthracene-1,4,9,10-tetraol?or 1,4-Dihydroxyanthracene-9,10-dione and anthracene-1,4,9,10-tetraol?mixture?with 2 moles of p-Methylaniline in the presence of boric acid condensation; (b) 1,4-Dichloroanthracene-9,10-dione and 2 Moore’s p-Methylaniline?condensation, its product (C.I. Solvent Green 3, C.I. 61565) products, and translate into sodium salt.
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一般的な説明
Fine black or green powder.
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空気と水の反応
Slightly soluble in water.
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反応プロフィール
Acid Green 25 is incompatible with strong oxidizing agents. .
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火災危険
Flash point data for Acid Green 25 are not available. Acid Green 25 is probably combustible.
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安全性プロファイル
Moderately toxic by ingestion. Askin and severe eye irritant.
When heated to decomposition it emits very toxic fumesof NOx, SOx, and Na2O.
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純化方法
Purify it by salting out three times from an aqueous solution with sodium acetate, followed by repeated extraction with EtOH [McGrew & Schneider J Am Chem Soc 72 2547 1950]. It is a green powder that is slightly soluble in Me2CO, EtOH and pyridine. It is soluble in conc H2SO4 to give a blue solution that becomes turquoise on dilution. [Allen et al. J Org Chem 7 63 1942, Beilstein 14 H 725.]
