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Triphenylsilanol(791-31-1)

Triphenylsilanol(791-31-1)
Product IdentificationBack to Contents
【Product Name】

Triphenylsilanol
【Synonyms】

Hydroxytriphenylsilane
Triphenylhydroxysilane
Triphenylsilyl hydroxide
【CAS】

791-31-1
【Formula】

C18H16OSi
【Molecular Weight】

276.41000000000003
【EINECS】

212-339-3
【RTECS】

VV4325500
【RTECS Class】

Other
【Beilstein/Gmelin】

985007
【Beilstein Reference】

4-16-00-01480
【EC Class】

irritant
Physical and Chemical PropertiesBack to Contents
【Appearance】

White powder.
【Solubility in water】

Insoluble
【Melting Point】

150 - 153
【Vapor Pressure】

7.5 (20 C)
【Density】

1.205 g/cm3
【pKa/pKb】

13.39 (pKa)
First Aid MeasuresBack to Contents
【Ingestion】

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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 immediately. Immediately flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
【Eyes】

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Handling and StorageBack to Contents
【Storage】

Store in a tightly closed container. Store protected from moisture. Store in a cool, dry area away from incompatible substances.
【Handling】

Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Do not allow contact with water. Wash clothing before reuse. Keep from contact with moist air and steam.
Hazards IdentificationBack to Contents
【Inhalation】

Causes respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. Can produce delayed pulmonary edema.
【Skin】

Causes skin irritation.
【Eyes】

Causes eye irritation. May cause chemical conjunctivitis.
【Ingestion】

May cause gastrointestinal irritation with nausea, vomiting and diarrhea. The toxicological properties of this substance have not been fully investigated.
【EC Risk Phrase】

R 36/37/38
【EC Safety Phrase】

S 26 36
Exposure Controls/Personal ProtectionBack 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 prevent skin exposure.
【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.
【Exposure Effects】

Effects may be delayed.
Fire Fighting MeasuresBack to Contents
【Autoignition】

535
【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: Do NOT get water inside containers. In case of fire, use carbon dioxide, dry chemical powder or appropriate foam.
Accidental Release MeasuresBack to Contents
【Small spills/leaks】

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Provide ventilation. Do not get water inside containers.
Stability and ReactivityBack to Contents
【Disposal Code】

3
【Stability】

Stable at room temperature in closed containers under normal storage and handling conditions. Moisture sensitive.
【Incompatibilities】

Strong oxidizing agents, moisture.
【Decomposition】

Carbon monoxide, carbon dioxide, silicon oxide, acrid smoke and fumes.
Transport InformationBack to Contents
【HS Code】

2931 00 95
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