靛蓝胭脂红

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| IUPACName = 3,3′-dioxo-2,2′-bisindolyden-5,5′-disulfonic acid disodium salt
| OtherNames = 5,5′-靛蓝二黄色钠
亮靛蓝4G
C.I.酸性蓝74
C.I. 73015
Food Blue 1
C Blue 2
Sicovit Indigotin 85E 132.
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| GHSPictograms =
| GHSSignalWord = Warning
| HPhrases = ，其E编码为E132。它也是一种pH指示剂.
参考文献