Di-2-ethylhexyl azelate

  • bis(2-Ethylhexyl) azelate
  • Di(2-ethylhexyl) azelate
  • Dioctyl azelate
  • Octyl azelate
Formula
CH2[(CH2)3COOCH2CH(C2H5)(CH2)3CH3]2
Structure
Description
Clear, colorless liquid with a mild odor.
Uses
Plasticizer for cellulosics, polystyrene & vinyl plastics, hydrolic fluids.

Registry Numbers and Inventories.
CAS
103-24-2
EC (EINECS/ELINCS)
203-091-7
RTECS
CM2000000
RTECS class
Primary Irritant
Beilstein/Gmelin
1806182
Beilstein Reference
3-02-00-01787
Swiss Giftliste 1
G-2023
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C25H48O4
Formula mass
412.66
Melting point, °C
< -60
Boiling point, °C
417
Vapor pressure, mmHg
4E-7 (25 C)
Density
0.915 g/cm3 (25 C)
Solubility in water
Insoluble
Viscosity
11.40 cp (38 C)
Refractive index
1.446 (25 C)
Partition coefficient, pKow
9.33
Heat of vaporization
67.0 kJ/mol

Hazards and Protection.
Storage
Keep in a cool, dry, well ventilated area. Keep containers tightly closed when not in use. Protect containers from physical damage.
Handling
Avoid prolonged or repeated breathing of vapor. Avoid contact with eyes. Use adequate ventilation. Wash thoroughtly after handling.
Protection
Chemical splash goggles in compliance with OSHA regulations are advised; however, OSHA regulations also permit other type safety glasses. Whre chemical resistant gloves. To prevent repeated or prolonged skin contact, wear impervious clothing and boots.
Respirators
Use NIOSH/MSHA respirator as required, if above PEL/TLV. Use SCBA in an enclosed area.
Small spills/leaks
Use proper personal protection. Contain free material if possible. Use suitable inert absorbent and recover for disposal.
Disposal code
1
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Oxides of carbon and toxic fumes.

Fire.
Flash Point,°C
185
Autoignition, °C
240
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Use agent most appropriate to extinguish fire.

Health.
Poison_Class
-
Exposure effects
Irritation of eyes, respiratory or GI tracts. CNS effects like headache, dizziness and nausea. Chronic exposure can cause defatting or dermatitis of skin.

First aid
 
   Ingestion
Seek medical attention. If individual is drowsy or unconscious, do not give anything by mouth; place individual on the left side with the head down. Contact a physician, medical facility, or poison control center for advice about whether to induce vomiting. If possible, do not leave individual unattended.
   Inhalation
Move patient to fresh air. Monitor for respiratory distress. If cough or difficulty breathing develops, evaluate for respiratory tract irritation, bronchitis, or pneumonitis. Administer oxygen and assist ventilation as required. Treat bronchospasm with beta2 agonist and corticosteroid aerosols.
   Skin
Remove contaminated clothing and wash exposed area thoroughly with soap and water. A physician should examine the area if irritation or pain persists.
   Eyes
Irrigate exposed eyes with copious amounts of tepid water for at least 15 minutes. If irritation, pain, swelling, lacrimation, or photophobia persist, the patient should be seen in a health care facility.

Transport.
HS Code
2917 13 90