METHYL SILICATE | ICSC: 1188 (October 1997) |
Tetramethyl silicate Tetramethyl orthosilicate Tetramethoxy silane |
CAS #: 681-84-5 |
UN #: 2606 |
EC Number: 211-656-4 |
ACUTE HAZARDS | PREVENTION | FIRE FIGHTING | |
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FIRE & EXPLOSION | Flammable. Above 20°C explosive vapour/air mixtures may be formed. | NO open flames, NO sparks and NO smoking. Above 20°C use a closed system, ventilation and explosion-proof electrical equipment. | Use water spray, powder, foam, carbon dioxide. |
PREVENT GENERATION OF MISTS! STRICT HYGIENE! | |||
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SYMPTOMS | PREVENTION | FIRST AID | |
Inhalation | Burning sensation. Cough. Shortness of breath. Sore throat. Symptoms may be delayed. See Notes. | Use local exhaust or breathing protection. | Fresh air, rest. Half-upright position. Refer for medical attention. |
Skin | Redness. Pain. | Protective gloves. Protective clothing. | Remove contaminated clothes. Rinse and then wash skin with water and soap. |
Eyes | Redness. Pain. Loss of vision. | Wear safety goggles or eye protection in combination with breathing protection. | First rinse with plenty of water for several minutes (remove contact lenses if easily possible), then refer for medical attention. |
Ingestion | Abdominal pain. | Do not eat, drink, or smoke during work. | Rinse mouth. Do NOT induce vomiting. Rest. Refer for medical attention . |
SPILLAGE DISPOSAL | CLASSIFICATION & LABELLING |
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Collect leaking and spilled liquid in sealable containers as far as possible. Carefully collect remainder. Then store and dispose of according to local regulations. Personal protection: chemical protection suit including self-contained breathing apparatus. |
According to UN GHS Criteria Transportation |
STORAGE | |
Fireproof. Separated from food and feedstuffs. | |
PACKAGING | |
Do not transport with food and feedstuffs. |
METHYL SILICATE | ICSC: 1188 |
PHYSICAL & CHEMICAL INFORMATION | |
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Physical State; Appearance
Physical dangers
Chemical dangers
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Formula: C4H12O4Si / (CH3O)4Si |
EXPOSURE & HEALTH EFFECTS | |
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Routes of exposure
Effects of short-term exposure
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Inhalation risk
Effects of long-term or repeated exposure
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OCCUPATIONAL EXPOSURE LIMITS |
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TLV: 1 ppm as TWA |
ENVIRONMENT |
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NOTES |
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Other melting points: -8°C . The symptoms of lung oedema often do not become manifest until a few hours have passed and they are aggravated by physical effort. Rest and medical observation are therefore essential. |
ADDITIONAL INFORMATION | ||
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EC Classification |
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See Also: Toxicological Abbreviations