Direct Blue 218 (Technical Grade)

• CAT Number: C000501
• CAS Number: 28407-37-6
• Molecular Formula: C₃₂H₁₆Cu₂N₆Na₄O₁₆S₄
• Molecular Weight: 1087.81
• Purity: ≥95%
• Synonyms: [Tetrahydrogen-3,3′-[(3,3′-dihydroxy-4,4′-biphenylylene)bis(azo)]bis[5-amino-4-hydroxy-2,7-naphthalenedisulfonato](4-)]di-Copper Tetrasodium Salt
• Solubility: DMSO (Sparingly), Methanol (Slightly), Water (Sparingly)
• Appearance: Very Dark Blue to Black Solid
• Storage: 4°C

Direct Blue 218(CAT: C000501) is an azo dye that serves various purposes, including diagnostic imaging and research related to rat carcinogenesis prediction. This dye’s application in diagnostic imaging highlights its use in medical and scientific fields for visualization and analysis. Additionally, it is utilized in textile dyes, contributing to the coloring of textiles.

Reference

Baughman, G., et al.: Textile. Chemist. Color. Am. Dye. Rep., 32, 51 (2000);