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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Ethyltriethoxysilane(78-07-9)

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
Ethyltriethoxysilane
Synonyms
Ethyltriethoxysilane
CAS
78-07-9
Formula
C8H20O3Si
Molecular Weight
192.33
EINECS
201-080-1
RTECS
VV4205000
RTECS Class
Organometallic; Primary Irritant
Beilstein/Gmelin
1362028
Beilstein Reference
4-04-00-04223

Physical and Chemical Properties

Appearance
Clear liquid. Characteristic odor.
Solubility in water
Insoluble
Boiling Point
158
Vapor Pressure
3.7 (25 C)
Density
0.9207 g/cm3 (0 C)
Partition Coefficient
2.26
Heat Of Vaporization
38.0 kJ/mol
Refractive Index
1.3853 (20 C)

First Aid Measures

Ingestion
Get medical aid. Wash mouth out with water.
Inhalation
Remove from exposure to fresh air immediately.
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.

Handling and Storage

Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container. Flammables-area.
Handling
Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.

Hazards Identification

Ingestion
May cause irritation of the digestive tract.
Inhalation
May cause respiratory tract irritation. May be harmful if inhaled.
Skin
May cause skin irritation. May cause contact dermatitis.
Eyes
May cause eye irritation.
EC Risk Phrase
R 10
EC Safety Phrase
S 23 24/25
UN (DOT)
1993

Exposure Controls/Personal Protection

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.
Poison Class
-

Fire Fighting Measures

Flash Point
29
Autoignition
235
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.

Accidental Release Measures

Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Remove all sources of ignition. Use a spark-proof tool.

Stability and Reactivity

Stability
Stable under normal shipping and handling conditions.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide, silicon oxide.

Transport Information

UN Number
1993
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