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995 - Celite 545

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MSDS Number: C1628 * * * * * Effective Date: 12/05/07 * * * * * Supercedes: 08/01/06 Celite® 545 1. Product Identification Synonyms: Diatomaceous Earth; Diatomite; Kieselguhr Soda Ash Flux Calcined CAS No.: 68855-54-9 Molecular Weight: Not applicable. Chemical Formula: Not applicable. Product Codes: 3371 2. Composition/Information on Ingredients Ingredient CAS No Percent Hazardous --------------------------------------- ------------ ------------ --------- Kieselguhr, Soda Ash Flux-calcined 68855-54-9 100% Yes This product may contain up to 75% crystalline silica: Cristobalite 14464-46-1 < 70% Yes Quartz 14808-60-7 < 5% Yes3. Hazards Identification Emergency Overview -------------------------- WARNING! HARMFUL IF INHALED. CAUSES IRRITATION TO SKIN, EYES AND RESPIRATORY TRACT. MAY AFFECT LUNGS. CANCER HAZARD. CONTAINS CRYSTALLINE SILICA WHICH CAN CAUSE CANCER. Risk of cancer depends upon duration and level of exposure. SAF-T-DATA(tm) Ratings (Provided here for your convenience) ----------------------------------------------------------------------------------------------------------- Health Rating: 4 - Extreme (Cancer Causing) Flammability Rating: 0 - None Reactivity Rating: 0 - None Contact Rating: 1 - Slight Lab Protective Equip: GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES Storage Color Code: Blue (Health) ----------------------------------------------------------------------------------------------------------- Potential Health Effects ---------------------------------- Inhalation: Causes dryness and irritation to the respiratory tract. Symptoms may include coughing, sore throat, breathing difficulty (dyspnea), and wheezing. Excessive inhalation may cause decreased pulmonary function, lung damage and silicosis. Acute silicosis is manifested by dyspnea, fever, cough and weight loss. Severe respiratory symptoms may lead to death. Ingestion: No adverse effects expected. Skin Contact: Causes irritation with dryness and abrasion. Eye Contact: Causes irritation, redness, and pain. Chronic Exposure: Prolonged inhalation exposure may produce silicosis. Chronic symptoms include cough, dyspnea, wheezing, increased susceptibility to tuberculosis, decreased chest expansion, and repeated nonspecific chest illnesses. Progressive respiratory and cardiopulmonary impairment may be fatal. Chronic inhalation of crystalline silica is a lung cancer hazard. Aggravation of Pre-existing Conditions: Persons with pre-existing respiratory or cardiopulmonary problems may be more susceptible to the effects of this substance.4. First Aid Measures Inhalation: Remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. Ingestion: Give several glasses of water to drink to dilute. If large amounts were swallowed, get medical advice. Skin Contact: Immediately flush skin with plenty of soap and water for at least 15 minutes. Remove contaminated clothing and shoes. Get medical attention. Wash clothing before reuse. Thoroughly clean shoes before reuse. Eye Contact: Immediately flush eyes with plenty of water for at least 15 minutes, lifting lower and upper eyelids occasionally. Get medical attention immediately. 5. Fire Fighting Measures Fire: Not considered to be a fire hazard. Explosion: Not considered to be an explosion hazard. Fire Extinguishing Media: Use any means suitable for extinguishing surrounding fire. Special Information: In the event of a fire, wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode. 6. Accidental Release Measures Ventilate area of leak or spill. Keep unnecessary and unprotected people away from area of spill. Wear appropriate personal protective equipment as specified in Section 8. Spills: Pick up and place in a suitable container for reclamation or disposal, using a method that does not generate dust. 7. Handling and StorageKeep in a tightly closed container, stored in a cool, dry, ventilated area. Protect against physical damage. When pouring into a container of flammable liquid, ground both containers electrically to prevent a static electric spark. Containers of this material may be hazardous when empty since they retain product residues (dust, solids); observe all warnings and precautions listed for the product. 8. Exposure Controls/Personal Protection Airborne Exposure Limits: OSHA PERMISSIBLE LIMITS (PELs): - For silica, amorphous, including natural diatomaceous earth (112926-00-8): ( 80 mg/m3) / (%SiO2), (TWA). - For silica, crystalline, quartz (14808-60-7): (30mg/m3)/(%SiO2 + 2), (TWA), total dust; (10 mg/m3)/(%SiO2 + 2), (TWA), respirable fraction; where "%SiO2" is the percentage of crystalline silica determined by airborne samples, as defined by 29 CFR 1910.1000, Z-3. - For silica, crystalline, tridymite (15468-32-3) or cristobalite (14464-46-1): Use one-half of the quartz exposure limits. ACGIH THRESHOLD LIMIT VALUES: - For silica, crystalline, quartz (14808-60-7): 0.025 mg/m3 (TWA), respirable fraction, A2 - Suspected Human Carcinogen. - For silica, crystalline, cristobalite (14464-46-1): 0.025 mg/m3 (TWA), respirable fraction. - For silica, crystalline, tripoli (1317-95-9): 0.025 mg/m3 (TWA), respirable fraction. Ventilation System: A system of local and/or general exhaust is recommended to keep employee exposures below the Airborne Exposure Limits. Local exhaust ventilation is generally preferred because it can control the emissions of the contaminant at its source, preventing dispersion of it into the general work area. Please refer to the ACGIH document, Industrial Ventilation, A Manual of Recommended Practices, most recent edition, for details. Personal Respirators (NIOSH Approved): If the exposure limit is exceeded and engineering controls are not feasible, a half-face high efficiency particulate respirator (NIOSH type N100 filter) may be worn for up to ten times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier,


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