Odorless, white powder. Crude talcs range in color from white to green, grey and brown.
Additive to clay in ceramic manufacture & paper coatings, for roofing materials.
Registry Numbers and Inventories.
Tumorigen; Natural Product; Primary Irritant
Swiss Giftliste 1
Melting point, °C
Vapor density (air=1)
2.58-2.83 g/cm3 (20 C)
Solubility in water
Hazards and Protection.
Store in a cool, dry place. Keep container closed when not in use. No special precautions indicated.
Wash hands before eating. Use only in a well ventilated area. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation.
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 minimize contact with skin.
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.
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
Stable under normal temperatures and pressures.
Aluminum foil is unsuitable as a packing material in contact with mercury(ii)salts in presence of moisture, when vigorous amalgamation ensues. Avoid contact with strong oxidizers such as chlorine.
Irritating and toxic fumes and gases, silicon oxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Material will not burn. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Substance is nonflammable; use agent most appropriate to extinguish surrounding fire.
This material is nonflammable
TLV: ppm; 2 mg/m3 as TWA (ACGIH 1993-1994). OSHA PEL: TWA 20 mppcf NIOSH REL: TWA 2 mg/m3 (resp) NIOSH IDLH: 1000 mg/m3
Chronic inhalation can cause pneumoconiosis.
No hazard expected in normal industrial use. Ingestion of large amounts may cause gastrointestinal irritation. Low hazard for usual industrial handling.
Dust is irritating to the respiratory tract. Low hazard for usual industrial handling.
May cause mild skin irritation.
Dust may cause mechanical irritation.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Wash mouth out with water. Get medical aid if irritation or symptoms occur.
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.
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.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. If irritation develops, get medical aid.
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