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1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane

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[Flash Point]

101
[Fire Fighting]

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
[Ingestion]

Get medical aid. Wash mouth out with water.
[Inhalation]

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
[Skin]

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes.
[Eyes]

Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
[Storage]

Store in a cool, dry place. Store in a tightly closed container.
[Handling]

Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
[Ingestion]

May cause irritation of the digestive tract. May be harmful if swallowed.
[Inhalation]

May cause respiratory tract irritation. May be harmful if inhaled.
[Skin]

May cause skin irritation. May be harmful if absorbed through the skin.
[Eyes]

Causes eye irritation.
[Personal Protection]

Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
[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.
[Appearance]

Clear viscous liquid.
[Melting Point]

-25
[Boiling Point]

225 (0.5 torr)
[Density]

1.093 g/cm3
[Refractive Index]

1.5796
[Product Name]

1,1,3,5,5-Pentaphenyl-1,3,5-trimethyltrisiloxane
[Synonyms]

Methylbis[(methyldi(phenyl)silyl)oxy]phenylsilane
Trisiloxane, 1,3,5-trimethyl-1,1,3,5,5-pentaphenyl-
[CAS]

"CASEN_3390-61-2.htm">3390-61-2
[Formula]

C33H34O2Si3
[Molecular Weight]

546.88
[EINECS]

222-222-9
[Beilstein/Gmelin]

2957161
[Small spills/leaks]

Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
[Incompatibilities]

Oxidizing materials.
[Stability]

Stable under normal shipping and handling conditions.
[Decomposition]

Carbon monoxide, carbon dioxide, silicon oxide, formaldehyde.