| Product Identification | Back to Contents | 【Product Name】
Silica glass | 【Synonyms】
Fused silica | 【CAS】
60676-86-0 | 【Formula】
O2Si | 【Molecular Weight】
60.08 | 【EINECS】
262-373-8 | 【RTECS】
VV7328000 | 【RTECS Class】
Agricultural Chemical and Pesticide; Tumorigen | 【Beilstein/Gmelin】
9357 (G) |
| Physical and Chemical Properties | Back to Contents | 【Appearance】
Colorless, odorless solid. | 【Solubility in water】
Insoluble | 【Melting Point】
1710 | 【Boiling Point】
2230 | 【Density】
2.196 g/cm3 (20 C) | 【Usage】
Vitreous or fused silica is used as laboratory glassware in chemical laboratories and in the semiconductor industry; thin-film dielectric coating in integrated circuits; electric-resistance furnaces and radiant heaters, and protection of precious-metal themocouples; as a refractive optical material, used for prisms, camera lenses, cells, solar cell covers, spacecraft windows, and other optical components; in mirror blanks of astronomical telescopes; as a component of laser optics; as an envelope material for mercury-vapour and incandescent tungsten-halogen cycle lamps; as a chromatography substitute, inert filler or as a coating material in the investment-cast industry; insulation or packing material. |
| 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】
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. | 【Skin】
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. 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 immediately. |
| Handling and Storage | Back to Contents | 【Storage】
Store in a cool, dry place. Keep container closed when not in use. | 【Handling】
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. |
| Hazards Identification | Back to Contents | 【Inhalation】
May cause respiratory tract irritation. May cause lung damage. Contains crystalline silica which may lead to respiratory abnormalities and silicosis. | 【Skin】
May cause skin irritation. | 【Eyes】
May cause eye irritation. | 【Ingestion】
May cause gastrointestinal irritation with nausea, vomiting and diarrhea. |
| 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 gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to minimize contact with skin. | 【Respirators】
A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use. Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions. | 【Exposure Effects】
Chronic inhalation of dust may lead to silicosis. | 【Poison Class】
F (Not subject to toxicity classification) |
| 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Extinguishing media: Substance is noncombustible; use agent most appropriate to extinguish surrounding fire. Use agent most appropriate to extinguish fire. |
| Accidental Release Measures | Back to Contents | 【Small spills/leaks】
Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation. |
| Stability and Reactivity | Back to Contents | 【Stability】
Stable under normal temperatures and pressures. | 【Incompatibilities】
Strong acids - moisture. | 【Decomposition】
Irritating and toxic fumes and gases, silicon oxide. |
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| Company Name: | Meryer (Shanghai) Chemical Technology Co., Ltd. |
| Tel: | +86-(0)21-61259100(Shanghai) +86-(0)755-86170099(ShenZhen) +86-(0)10-59487313(Beijing) |
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| WebSite: | www.meryer.com |
| Company Name: | BeiJing Hwrk Chemicals Limted |
| Tel: | 4006990298 010-57411839 020-31335234 021-51691807 |
| Fax: | 010-87653215 0757-86311057 021-55236763 |
| WebSite: | www.hwrkchemical.com |
| Company Name: | Energy Chemical |
| Tel: | 021-58432009 / 400-005-6266 |
| Fax: | 021-58436166-800 |
| WebSite: | www.energy-chemical.com |
| Company Name: | BEST-REAGENT |
| Tel: | 028-85973071 028-85973075 |
| Fax: | 028-85973075 |
| WebSite: | www.best-reagent.com |
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