Synonyms: Molecular formula: I2 CAS No: 7553-56-2 EC No: 231-442-4 EU No: 053-001-00-3
Appearance: Purple to black crystals Melting point: 113 - 114 C Boiling point: 183 C Specific gravity: 4.93 Vapour pressure: 0.31 mm Hg at 25 C Vapour density: 9.0 (air = 1) Flash point: n/a Explosion limits: n/a Autoignition temperature:
Stable. Oxidizer. Substances to be avoided include strong reducing agents, powdered metals, ammonia, ammonium salts, acetylene, acetaldehyde, combustible materials, aluminium, chemically active metals, carbides, turpentine oils, azides, carbides, ammonium hydroxide, sodium thiosulfate. Sublimes slightly at room temperature.
Toxic - may be fatal if swallowed or inhaled. Corrosive, causes burns. Harmful by inhalation and through skin absorption. UK OES short-term 1 mg/m3 (0.1 ppm). Readily absorbed through skin. Very destructive of mucous membranes and upper respiratory tract, eyes and skin. Severe irritant. Sublimes at room temperature to yield dangerous levels of vapour. May cause sensitization. May cause damage to the unborn child.
Toxicity data (The meaning of any abbreviations which appear in this section is given here.) ORL-HMN LDLO 28 mg kg-1 ORL-RAT LD50 14000 mg kg-1 (? Although quoted by a reputable chemical supplier, this value looks unreasonably high compared to that given for humans. However, the same supplier quotes an ORL-MUS LD50 of 22000 mg kg-1, and ORL-RBT LD50 of 10000 mg kg-1.) UNR-MAN LDLO 29 mg kg-1