Ethylene glycol monostearate

  • Ethylene glycol stearate
  • Glycol stearate
  • Octadecanoic acid, 2-hydroxyethyl ester
  • 2-Hydroxyethyl stearate
  • Monthybase
  • Tego-stearate
Formula
C20H40O3
Structure
Description
White solid.

Registry Numbers and Inventories.
CAS
111-60-4
EC (EINECS/ELINCS)
203-886-9
RTECS
WI4100000
RTECS class
Primary Irritant
Beilstein/Gmelin
1794033
Beilstein Reference
4-02-00-01222
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C20H40O3
Formula mass
328.53
Melting point, °C
60
Boiling point, °C
438
Vapor pressure, mmHg
2E-9 (25 C)
Density
0.878 g/cm3 (60 C)
Solubility in water
Insoluble
Refractive index
1.431
pKa/pKb
13.90 (pKa)
Partition coefficient, pKow
8.05
Heat of fusion
59.7 kJ/mol
Heat of vaporization
80.2 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
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
Vacuum or sweep up material and place into a suitable disposal container.
Stability
Stable under normal shipping and handling conditions.
Incompatibilities
Oxidizing agents, strong bases.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
165
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.

Health.
Exposure effects
   Ingestion
May cause irritation of the digestive tract. May be harmful if swallowed.
   Inhalation
May cause respiratory tract irritation. May be harmful if inhaled.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   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.

Transport.