Cerium(IV) sulfate tetrahydrate
- Ceric sulfate tetrahydrate
yellow-orange orthorhombic crystals
Registry Numbers and Inventories.
S 26 36/37/39 45
CeO8S2 . 4H2O
Melting point, °C
180 - 200
Decomposition point, °C
3.91 g/cm3 (20 C)
Solubility in water
38 g/L (50 C)
Hazards and Protection.
Keep away from heat, sparks, and flame. Do not store near combustible materials. Keep away from reducing agents. Keep containers tightly closed.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with clothing and other combustible materials. Do not get on skin or in eyes. Avoid ingestion and inhalation.
Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate gloves to prevent skin exposure. Clothing: Wear a chemical apron. Wear appropriate clothing to prevent skin exposure.
Follow the OSHA respirator regulations found in 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Vacuum or sweep up material and place into a suitable disposal container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Remove all sources of ignition. Do not use combustible materials such as paper towels to clean up spill.
Stable under normal temperatures and pressures.
Sulfur oxides (SOx), including sulfur oxide and sulfur dioxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Strong oxidizer. Contact with combustible materials may cause a fire. Use water with caution and in flooding amounts. Extinguishing media: Use extinguishing media most appropriate for the surrounding fire. If water is the only media available, use in flooding amounts. Contact professional fire-fighters immediately.
4 (Substances and products that must be considered harmful)
May cause nausea, vomiting, and diarrhea, possibly with blood.
May cause respiratory tract irritation. May cause acute pulmonary edema, asphyxia, chemical pneumonitis, and upper airway obstruction caused by edema.
May cause severe irritation and possible burns.
May cause eye irritation. May cause conjunctivitis. May cause eye injury. May cause permanent corneal opacification.
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration.
Get medical aid. Wash clothing before reuse. Flush skin with plenty of soap and water.
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
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