Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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TBDMCS(18162-48-6)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
TBDMCS
Synonyms
Silane, chloro(1,1-dimethylethyl)dimethyl
Silane, chloro-tert-butyldimethyl
tert-Butylchlorodimethylsilane
tert-Butyldimethylchlorosilane
tert-Butyldimethylsilyl chloride
CAS
18162-48-6
Formula
C6H15ClSi
Molecular Weight
150.72999999999999
EINECS
242-042-4
RTECS
VV2000000
RTECS Class
Other
Beilstein/Gmelin
505999
Beilstein Reference
4-04-00-04076
EC Class
corrosive

Physical and Chemical Properties

Appearance
White solid.
Solubility in water
Insoluble
Melting Point
87 - 90
Vapor Pressure
15 (25 C)
Density
0.810 g/cm3 (20 C)
Partition Coefficient
3.4
Heat Of Vaporization
34.8 kJ/mol

First Aid Measures

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
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. Discard contaminated clothing in a manner which limits further exposure.
Eyes
Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately. Do NOT allow victim to rub or keep eyes closed.

Handling and Storage

Storage
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Flammables-area.
Handling
Wash thoroughly after handling. Use with adequate ventilation. Minimize dust generation and accumulation. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Avoid contact with heat, sparks and flame. Avoid ingestion and inhalation.

Hazards Identification

Ingestion
The toxicological properties of this substance have not been fully investigated.
Inhalation
Causes respiratory tract irritation.
Skin
Causes skin burns.
Eyes
Causes eye burns.
Hazards
Vapors form explosive mixtures with air: indoors, outdoors, and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff.
EC Risk Phrase
R 11 34 37
EC Safety Phrase
S 16 26 36/37/39 45
UN (DOT)
2985

Exposure Controls/Personal Protection

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
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.

Fire Fighting Measures

Flash Point
22
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Flammable solid. Reacts with water to form acidic gases which when in contact with metal may liberate flammable and/or hydrogen gas. Extinguishing media: If water is the only media available, use in flooding amounts. Use dry chemical to fight fire.
Fire Potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.

Accidental Release Measures

Small spills/leaks
Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation.

Stability and Reactivity

Disposal Code
24
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents, bases, alcohols, metals.
Decomposition
Hydrogen chloride, carbon monoxide, carbon dioxide, silicon oxide.
Combustion Products
Fire will produce irritating, corrosive and/or toxic gases.

Transport Information

UN Number
2985
Hazard Class
3
Packing Group
II
HS Code
2931 00 95
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