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Physical & Chemical properties

Water solubility

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Description of key information

A study regarding the water solubility of C.I. Direct Blue 264 was performed according to OECD TG 105. The saturation equilibrium of the two tested concentration (500 and 5000 mg/L) was still not reached in the test period of 34 days. The measured water solubility was in the range of 30-169 mg/L (3-34days, 500 mg/L) and 134-465 mg/L (3-34 days, 5000 mg/L). Therefore C.I. Direct Blue 264 is considered to be moderately soluble in water at 20°C.

Key value for chemical safety assessment

Water solubility:
465 mg/L
at the temperature of:
20 °C

Additional information

A study regarding the water solubility of C.I. Direct Blue 264 revealed a solubility range of 30-465 mg/L.