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Lithol Rubine BK
Lithol Rubine BK, Pigment Rubine, Carmine 6B, Brilliant Carmine 6B, Permanent Rubin L6B, Litholrubine, Latolrubine, C.I. Pigment Red 57, C.I. Pigment Red 57:1, D&C Red No. 7, or C.I. 15850:1, is a reddish synthetic azo dye. It has the appearance of a red powder, slightly soluble in hot water, insoluble in cold water, and insoluble in ethanol. When dissolved in dimethylformamide, its absorption maximum lies at about 442 nm. It usually comes as a calcium salt.
Additional recommended knowledge
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Lithol_Rubine_BK". A list of authors is available in Wikipedia.|