| Product Identification | Back to Contents | 【Product Name】
Calcium sulfate hemihydrate | 【Synonyms】
Plaster of Paris
Sulfuric acid, calcium salt, hydrate (2:2:1) | 【CAS】
10034-76-1 | 【Formula】
2CaO4S.H2O | 【Molecular Weight】
290.3 | 【RTECS】
EW4150000 | 【Beilstein/Gmelin】
77181 (G) |
| First Aid Measures | Back to Contents | 【Ingestion】
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. | 【Inhalation】
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. | 【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. | 【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 | Back to Contents | 【Storage】
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. | 【Handling】
Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with skin and eyes. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Inhalation】
Dust is irritating to the respiratory tract. | 【Skin】
Causes skin irritation. | 【Eyes】
Causes eye irritation. May cause conjunctivitis. | 【Ingestion】
Ingestion of large amounts may cause gastrointestinal irritation. May cause mechanical obstruction of the digestive |
| Exposure Controls/Personal Protection | Back to Contents | 【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 minimize contact with skin. | 【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】
Prolonged inhalation may cause respiratory tract inflammation and lung damage. |
| Fire Fighting Measures | Back to Contents | 【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. |
| Stability and Reactivity | Back to Contents | 【Incompatibilities】
Calcium sulfate is incompatible with aluminum and diazonethane. At high temperatures, mixtures of calcium sulfate and phosphorus ignites. | 【Stability】
Stable under normal temperatures and pressures. | 【Decomposition】
Oxides of sulfur. |
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| Company Name: |
J & K SCIENTIFIC LTD. |
| Tel: |
010-82848833 400-666-7788 |
| Fax: |
86-10-82849933 |
| WebSite: |
http://www.jkchemical.com |
| Company Name: |
Spectrum Chemical Manufacturing Corp. |
| Tel: |
021-021-021-67601398-809-809-809 15221380277 |
| Fax: |
021-57711696 |
| WebSite: |
www.spectrumchemical.com/oa_html/index.jsp?minisite=10020&respid=22372&language=us |
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