- Germanium tetraiodide
Yellow crystalline powder.
Registry Numbers and Inventories.
S: 26 36/37/39 45
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
1.6E-7 (25 C)
4.32 g/cm3 (20 C)
Solubility in water
Partition coefficient, pKow
Heat of vaporization
Hazards and Protection.
Store under dry inert gas. Protect from humidity and water. Keep container tightly sealed. Store in cool, dry conditions in well sealed containers. Protect from exposure to light. Store under lock and key and with access restricted to technical experts or their assistants only.
Protective work clothing. Chemical protective gloves. Safety glasses or goggles.
Use neutralizing agent. Ensure adequate ventilation.
Decomposition will not occur if used and stored according to specifications.
Oxidizing agents, water/moisture.
Use fire fighting measures that suit the surrounding fire. Wear self-contained respirator. Wear fully protective impervious suit.
Product is not flammable.
Irritating and corrosive effect on eyes, skin and mucous membranes. Germanium compounds generally have a low order of toxicity. High doses have resulted in kidney and bladder injury. The anion and compound reactivity may contribute the greater part of the toxicity. Prolonged exposure to iodides may cause skin rash, running nose, headache and irritation of the mucous membranes. In severe cases the skin may show pimples, boils, redness, black and blue spots, hives and blisters. Iodides are readily diffused across the placenta.
Seek immediate medical treatment.
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
Rinse opened eye for several minutes under running water. Then consult a doctor.