Basic Information

• Chinese Name: 碘海醇

• English Name: Iohexol

• CAS Number: 66108-95-0

• EINECS Number: 266-164-2

• Molecular Formula: C19H26I3N3O9

• Molecular Weight: 821.1378 (or 821.14, depending on sources)

Physical Properties

• Density: Varies slightly depending on sources, e.g., 1.078 g/mL ± 0.002 g/mL (at 25°C) or 2.2 g/cm³.

• Melting Point: 254-256°C

• Boiling Point: 891.5°C at 760 mmHg

• Flash Point: 493°C

• Solubility: Very soluble in water or methanol, practically insoluble in chloroform or ether.

Chemical Properties

• Stability: Stable under normal conditions but should be kept away from oxidizers.

Uses

• Iohexol is a non-ionic X-ray contrast medium with high hydrophilicity, low viscosity, low osmolality, and relatively low toxicity to the nervous system.

• It is used in medical diagnostic procedures such as spinal cord imaging, cardiovascular, arterial and venous, lymphatic system, urinary tract imaging, and contrast-enhanced CT scans.