| [Fire Fighting] Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire. | |
| [Ingestion] If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately. | |
| [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] Immediately 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. | |
| [Eyes] Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. | |
| [Storage] Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed. | |
| [Handling] Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Keep container tightly closed. Do not get on skin or in eyes. Do not ingest or inhale. | |
| [Inhalation] Dust is irritating to the respiratory tract. | |
| [Skin] May cause skin irritation. | |
| [Eyes] May cause eye irritation. | |
| [Ingestion] May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Excessive amounts of magnesium may cause central nervous system depression, respiratory paralysis, and cardiac | |
| [EC Safety Phrase] S 22 24/25 | |
| [Personal Protection] 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 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] Repeated exposure may cause kidney damage and digestive tract abnormalities. | |
| [Poison Class] 4 | |
| [Appearance] White, amorphous powder. Odorless. | |
| [Solubility in water] 9 mg/L | |
| [Density] 2.3261 - 2.3631 g/cm3 | |
| [Usage] Medication: antacid, cathartic. | |
| [Product Name] Magnesium hydroxide | |
| [Synonyms] Magnesia magma Magnesium hydrate Milk of magnesia Milmag | |
| [CAS] "CASEN_1309-42-8.htm">1309-42-8 | |
| [Formula] H2MgO2 | |
| [Molecular Weight] 58.31 | |
| [EINECS] 215-170-3 | |
| [RTECS] OM3570000 | |
| [RTECS Class] Drug; Human Data | |
| [Merck] 13,5693 | |
| [Beilstein/Gmelin] 15840 (G) | |
| [Small spills/leaks] Clean up spills immediately, using the appropriate protective equipment. Wear a self contained breathing apparatus and appropriate Personal protection. (See Exposure Controls, Personal Protection section). Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. | |
| [Incompatibilities] Phosphorus (spontaneous ignition). | |
| [Stability] Stable at room temperature in closed containers under normal storage and handling conditions. | |
| [Decomposition] Oxides of magnesium. |
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