Eriochrome blue black R

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〔71－94〕 NaO₃SC₁₀H₅(OH)N∶NC₁₀H₆OH C₂₀H₁₃N₂NaO₅S 416．39

[钙试剂；茜素蓝黑；酸性铬蓝黑；铬蓝黑 R；Acid chrome blue black；Anthracene blue black；Calcon；Chrome blue black R；3－Hydroxy－4－[(2－hydroxy－1-naphthyl)azo]－l－naphthalene sulfonic acid monosodium salt；1－(2－Hydroxy－1－naphthyl azo)－2－naphthol－4－sulfonic acid sodium salt；Solochrome dark blue]

C．I．15705

性状 棕黑色粉末。溶于水和醇。