Dioctyl sebacate

  • Bis(2-ethylhexyl)sebacate
Formula
C26H50O4
Structure
Description
Clear pale yellow liquid with a mild odor.
Uses
In vacuum pumps.

Registry Numbers and Inventories.
CAS
122-62-3
EC (EINECS/ELINCS)
204-558-8
RTECS
VS1000000
RTECS class
Other
Merck
13,1251
Beilstein/Gmelin
1806504
Beilstein Reference
4-02-00-02083
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C26H50O4
Formula mass
426.68
Melting point, °C
-55
Boiling point, °C
435
Vapor pressure, mmHg
9E-8 (25 C)
Vapor density (air=1)
14.5
Density
0.914 g/cm3 (20 C)
Solubility in water
100 mg/L
Viscosity
12.60 cp (38 C)
Refractive index
1.458 (20 C)
Partition coefficient, pKow
9.86
Heat of vaporization
69.2 kJ/mol

Hazards and Protection.
Storage
Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
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.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Stability
Stable.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
190
Autoignition, °C
99
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.
Fire potential
This chemical is probably combustible.

Health.
Exposure effects
   Ingestion
The toxicological properties of this substance have not been fully investigated.
   Inhalation
The toxicological properties of this substance have not been fully investigated.
   Skin
Non-irritating to the skin.
   Eyes
Non-irritating to the eyes.

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 eyelids. Get medical aid.

Transport.
HS Code
2917 13 90