基本信息
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胭脂虫红铝
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1390-65-4
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胭脂虫红; 7-beta-D-吡喃葡萄糖基-3,5,6,8-四羟基-1-甲基-9,10-二氧代-蒽-2-羧酸
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C22H20O13
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492.39
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Carmine
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215-724-4
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1.869 g/cm3
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7-beta-D-Glucopyranosyl-3,5,6,8-tetrahydroxy-1-methyl-9,10-dioxo-anthracene-2-carboxylic acid
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316.1oC
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136oC dec
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907.6oC at 760 mmHg
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详细信息
胭脂红为红色至深红色均匀颗粒或粉末,无臭。耐光性、耐酸性较好,耐热性强(105℃)、耐还原性差;耐细菌性较差。溶于水,水溶液呈红色;溶于甘油,微溶于酒精,不溶于油脂;