- Trisiloxane, 1,1,1,5,5,5-hexamethyl-3,3-bis[(trimethylsilyl)oxy]-
Registry Numbers and Inventories.
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
40 (125 C)
0.8854 g/cm3 (0 C)
4.24 cp (0 C)
1.39 (20 C)
Hazards and Protection.
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Store under nitrogen.
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
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.
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stable under normal shipping and handling conditions.
Strong oxidizing agents.
Carbon monoxide, carbon dioxide, silicon oxide.
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Combustible Liquid. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
May cause irritation of the digestive tract. May be harmful if swallowed.
Causes respiratory tract irritation. May be harmful if inhaled.
Causes skin irritation. May be harmful if absorbed through the skin.
Causes eye irritation.
Get medical aid. Wash mouth out with water.
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.