Product Identification
【Product Name】Potassium iodide
【Synonyms】Kisol；碘化钾
【CAS】7681-11-0
【Formula】KI
【Molecular Weight】166.01
【EINECS】231-659-4
【RTECS】TT2975000
【RTECS Class】Mutagen; Reproductive Effector; Human Data
【Merck】12,7809
【Beilstein/Gmelin】13713 (G)
Physical and Chemical Properties
【Appearance】Colorless or white, cubical crystals, white granules, or powder, slightly hygroscopic, slightly deliquescent.
【Solubility in water】1440 g/L
【Melting Point】686℃
【Boiling Point】1330℃
【Vapor Pressure】9 (879℃)
【Density】3.123 g/cm3 (25℃)
【Usage】Manufacture photographic emulsions, in animal & poultry feeds to the extent of 10-30 ppm, in table salts & in some drinking water.
【Odor threshold】Odorless
First Aid Measures
【Ingestion】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.
【Inhalation】Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid if cough or other symptoms appear.
【Skin】Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Get medical aid if irritation develops or persists. Wash clothing before reuse.
【Eyes】Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and Storage
【Storage】Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture. Store protected from light.
【Handling】Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Store protected from light. Do not allow contact with water. Keep from contact with moist air and steam.
Hazards Identification
【Inhalation】May cause respiratory tract irritation.
【Skin】May cause skin irritation. Chronic ingestion of iodides during pregnancy has resulted in fetal death, severe iter, and cretinoid appearance of the newborn.
【Eyes】Causes eye irritation.
【Ingestion】Causes gastrointestinal irritation with nausea, vomiting and diarrhea. Chronic ingestion of iodides during pregnancy has resulted in fetal death, severe iter, and cretinoid appearance of the newborn.
【EC Risk Phrase】R 42/43
【EC Safety Phrase】S 22 36/37 45
【UN (DOT)】3335
Exposure Controls/Personal Protection
【Personal Protection】Eyes: Wear appropriate protective eyeglasses or chemical safety ggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
【Respirators】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.
【Exposure Effects】Chronic exposure can lead to iodism characterized by salivation, nasal discharge, sneezing, conjunctivitis, fever, laryngitis, bronchitis, stomatitis, and skin rashes. Chronic ingestion of iodides during pregnancy has resulted in fetal death, severe iter, and cretinoid appearance of the newborn.
【Poison Class】4
Fire Fighting Measures
【Fire Fighting】Fire-fighters should wear full protective clothing self-contained breathing apparatus. Use equipment/media appropriate to surrounding fire conditions.
Accidental Release Measures
【Small spills/leaks】Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, using the appropriate protective equipment. Avoid generating dusty conditions. Provide ventilation. Do not get water inside containers.
Stability and Reactivity
【Stability】Stable under normal temperatures and pressures.
【Incompatibilities】Strong acids, strong reducing agents, strong bases, strong oxidizing agents.
【Decomposition】Oxides of potassium, iodine.
Transport Information
【UN Number】3335
【HS Code】2827 60 00