胭脂红酸
胭脂红酸(英語:,C22H20O13)是一种的蒽醌类物质形成葡萄糖苷,分布在一些介殼蟲雌虫体内,使其外表显红色,如胭脂虫、亚美尼亚胭脂虫和波兰胭脂虫等,这些昆虫产生这种色素目的是威慑捕食者。将这些昆虫碾碎,以明矾媒染可得到胭脂虫红。
Carminic acid[1] | |
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IUPAC名 7-α-D-Glucopyranosyl-9,10-dihydro- | |
别名 | Carminic acid C.I. Natural Red 4 C.I. 75470
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识别 | |
CAS号 | 1260-17-9 |
ChemSpider | 14068 |
SMILES |
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InChI |
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InChIKey | DGQLVPJVXFOQEV-NGOCYOHBBS |
ChEBI | 78310 |
KEGG | C11254 |
性质 | |
化学式 | C22H20O13 |
492.38 g/mol g·mol⁻¹ | |
密度 | ? g/cm3 |
熔点 | 120 °C(393 K) |
pKa | 3.39, 5.78, 8.35, 10.27, 11.51[2] |
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。 |
参考文献
- Merck Index, 11th Edition, 1850.
- Atabey, Hasan; Sari, Hayati; Al-Obaidi, Faisal N. . Journal of Solution Chemistry. 28 April 2012, 41 (5): 793–803. doi:10.1007/s10953-012-9830-7.
- Allevi, P.; et al. . Journal of the Chemical Society, Chemical Communications. 1991, 18: 1319–1320. doi:10.1039/C39910001319.
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