
Pigment Blue 64
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Pigment Blue 64 (CI 69825) is a chemical compound, a synthetic dye with an anthraquinone unit and is also known as D&C Blue No. 9. Blue color. Chemical Name 7,16-Dichloro-6,15-dihydroanthrazine-5,9,14,18-tetrone Dyes that contain anthraquinone (an organic aromatic compound derived from anthracene) are characteristically bright in colour. Chemical...