Iodine crystals cas 7553-56-2 free customs clearance Name: I2,Iodine,Iode,Eranol Diatomic iodine LUGOL MFCD00011355 Jood Iodio Jod Iodine IODUM cas 6303-21-5 hypo acid hypophosphorous acid Density:3.8±0.1 g/cm3 Boiling point:184.4±9.0 °C at 760 mmHg Melting point:113 °C(lit.) Molecular formula:I2 Molecular weight:253.809