- Di-n-octyl phthalate
- Di-sec-octyl phthalate
- 1,2-Benzenedicarboxylic acid, bis(2-ethylhexyl)ester
Clear, oily, odorless liquid.
Used as a plasticizer in plastics & rubber materials.
Registry Numbers and Inventories.
r 60 61
S 45 53
Reproductive Effector; Primary Irritant
Swiss Giftliste 1
Japan ENCS (MITI)
Melting point, °C
Boiling point, °C
Vapor pressure, mmHg
4E-7 (25 C)
Vapor density (air=1)
0.984 g/cm3 (20 C)
Solubility in water
39 MPa s (20 C)
32 g/s2 (20 C)
1.4861 (20 C)
2.49 (20 C)
5.1 (25 C)
Partition coefficient, pKow
Heat of vaporization
Heat of combustion
Hazards and Protection.
Store in a cool, dry place. Keep container closed when not in use. Protect from physical damage.
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Synth of phthalates require good ventilation in order to minimize contamination of air with phthalic anhydride or alcohols. There may be also some need for skin protection. Handling mineral acids used as catalysts requires ordinary precautions.
A full facepiece particulate respirator (with NIOSH type P100 or R100 filters) may be worn for up to 50 times the exposure limit or the maximum use concentration specified by the appropriate regulatory agency or respirator supplier, whichever is lowest. Please note that N series filters are not recommended for this material. For emergencies or instances where the exposure levels are not known, use a full-facepiece positive-pressure, air-supplied respirator.
Clean up spills immediately, using the appropriate protective equipment.
Stable under normal temperatures and pressures.
Reacts with acids to liberate heat along with alcohols and acids Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Avoid contact with alkalis and nitrates.
Oxides of carbon, irritating and toxic fumes and gases.
Lower exp. limit, %
Wear full protective clothing and NIOSH-approved self-contained breathing apparatus with full facepiece operated in the pressure demand or other positive pressure mode. Use water in flooding quantities as fog. Solid streams of water may spread fire. Cool all affected containers with flooding quantities of water. Apply water from as far a distance as possible. Use foam, dry chemical, or carbon dioxide.
Slight fire hazard.
Oxides of carbon, irritating fumes.
Central nervous system depression may occur with ingestion of large amounts. Material is a suspected teratogen.
Ingestion causes nausea, abdominal cramps, diarrhea. CNS depression - lethargy, drowsiness, staggering and sleepiness - can result from absorbing large amounts.
The low vapor pressure of this material essentially eliminates inhalation hazards unless the material is heated or misted. Inhalation of mists can cause nausea and is irritating to the respiratory tract.
Slight skin irritation may occur from prolonged skin contact. Low levels may be absorbed through the skin.
Causes irritation, redness, and pain.
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Get medical aid immediately.
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
First check the victim for contact lenses and remove if present. Flush victim's eyes with water or normal saline solution for 20 to 30 minutes while simultaneously calling a hospital or poison control center. Do not put any ointments, oils, or medication in the victim's eyes without specific instructions from a physician. IMMEDIATELY transport the victim after flushing eyes to a hospital even if no symptoms (such as redness or irritation) develop.
USCG CHRIS Code
Std. Transport #
IMO Chemical Code
IMO Pollution Category