Triethoxypentylsilane

  • Pentyltriethoxysilane
  • Amyltriethoxysilane
Formula
C11H26O3Si
Structure
Description
very faintly yellow clear liquid

Registry Numbers and Inventories.
CAS
2761-24-2
EC (EINECS/ELINCS)
220-429-9
36/37/38
RTECS
VV4750000
RTECS class
Primary Irritant
UN (DOT)
1993
Beilstein/Gmelin
1755079
Beilstein Reference
4-04-00-04248
Swiss Giftliste 1
G-2128
Canada DSL/NDSL
NDSL
US TSCA
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C11H26O3Si
Formula mass
234.46
Boiling point, °C
192
Vapor pressure, mmHg
0.7 (25 C)
Density
0.885 g/mL (20 C)
Solubility in water
Insoluble
Refractive index
1.407 (20 C)
Heat of vaporization
41.0 kJ/mol

Hazards and Protection.
Storage
Keep tightly closed. Keep away from heat and open flame.
Protection
Compatible chemical-resistant gloves. Chemical safety goggles.
Respirators
Government approved respirator.
Small spills/leaks
Absorb on sand or vermiculite and place in closed containers for disposal. Ventilate area and wash spill site after material pickup is complete.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, Carbon dioxide, Silicon oxide.

Fire.
Flash Point,°C
78
Fire fighting
Extinguish using Water spray. Carbon dioxide, dry chemical powder, or appropriate foam. Wear self-contained breathing apparatus and protective clothing to prevent contact with skin and eyes.
Fire potential
HIGHLY FLAMMABLE: Will be easily ignited by heat, sparks or flames.
Hazards
Emits toxic fumes under fire conditions. Combustible liquid.
Combustion products
Fire may produce irritating, corrosive and/or toxic gases.
Health
2
 
Flammability
2
 
 
Reactivity
0
 

Health.
Poison_Class
-
Exposure effects
Irritant. Irritating to eyes, respiratory system and skin. Combustible.
   Ingestion
May be harmful if swallowed.
   Inhalation
May be harmful if inhaled. Material is irritating to mucous membranes and upper respiratory tract.
   Skin
Causes skin irritation. May be harmful if absorbed through the skin.
   Eyes
Causes eye irritation.

First aid
 
   Ingestion
If swallowed, wash out mouth with water provided person is conscious. Call a physician.
   Inhalation
If inhaled, remove to fresh air. If not breathing give artificial respiration. If breathing is difficult, give oxygen.
   Skin
In case of contact, immediately wash skin with soap and copious amounts of water.
   Eyes
In case of contact, immediately flush eyes with copious amounts of water for at least 15 minutes.

Transport.
UN number
1993
Response guide
Packing Group
III