Tetraacetoxysilane

  • Aceticacid,tetraanhydridewithsilicicacid(H4-SiO4)
Formula
Si(CH3COO)4
Structure
Description
White solid

Registry Numbers and Inventories.
CAS
562-90-3
EC (EINECS/ELINCS)
209-239-7
Merck
12,8642
Beilstein/Gmelin
994868
Beilstein Reference
4-02-00-00445
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C8H12O8Si
Formula mass
264.26
Melting point, °C
110
Boiling point, °C
102 - 104 (3 torr)
Solubility in water
Reacts

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container. Refrigerator (approx 4 C).
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
Wear appropriate protective eyeglasses or chemical safety goggles, protective gloves and clothing to prevent 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.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container. Vacuum or sweep up material and place into a suitable disposal container.
Stability
Stable.
Incompatibilities
Oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide, silicon oxide.

Fire.
Fire fighting
Wear approved SCBA in full pressure-demand and full protective gear. In case of fire use water spray, dry chemical, carbon dioxide, or chemical foam.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated.
   Inhalation
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated.
   Skin
May cause skin irritation.
   Eyes
May cause eye irritation.

First aid
 
   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 lids. Get medical aid.

Transport.