Direct Blue 218 exhibits clearly defined physical and chemical properties. It is a complex organic compound with the molecular formula C32H20Cu2N6Na4O16S4, having a molecular weight of approximately 1091.9 g/mol. This compound belongs to several classes including Copper compounds, Azo compounds and diazo compounds, Amino compounds, aromatic (amino group on the ring), Sulphonates (salts), Sodium compounds, Phenolates, substituted, and Naphtholates, substituted. The compound carries a Danger signal word due to its potential carcinogenic and acute oral toxicity properties its role as a dye and its presence in various workplace environments, necessitating the use of safety equipment such as safety goggles and gloves.

• CAS Number: 28407-37-6
• Molecular Formula: C32H20Cu2N6Na4O16S4
• Molecular Weight: 1091.9
• Exact Mass: 1089.800135
• GHS Signal Word: Danger
• Hazard Statements:
• H350: May cause cancer [Danger Carcinogenicity]
• H303: May be harmful if swallowed [Warning Acute toxicity, oral]