Diisodecyl phthalate

  • bis(8-Methylnonyl) phthalate
  • 1,2-Benzenedicarboxylic acid, diisodecyl ester
Formula
C28H46O4
Structure
Description
Colorless liquid.
Uses
Plasticizer for polyvinyl chloride for calendered film, sheet, coated fabrics, building wire jackets, & in wire & cable extrusion.

Registry Numbers and Inventories.
CAS
26761-40-0
EC (EINECS/ELINCS)
247-977-1
RTECS
TI1270000
RTECS class
Reproductive Effector
Beilstein/Gmelin
2171889
Swiss Giftliste 1
G-102440
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C28H46O4
Formula mass
446.67
Melting point, °C
-50
Boiling point, °C
250
Vapor pressure, mmHg
1.1
Vapor density (air=1)
15.4
Density
0.967 g/cm3 (20 C)
Solubility in water
Insoluble
Viscosity
108 cp @ 20C
Heat of combustion
-17054 kJ/mol

Hazards and Protection.
Storage
Keep in a cool, dry, dark location in a tightly sealed container or cylinder. Keep away from incompatible materials, ignition sources and untrained individuals. Secure and label area. Protect containers/cylinders from physical damage.
Handling
All chemicals should be considered hazardous. Avoid direct physical contact. Use appropriate, approved safety equipment. Untrained individuals should not handle this chemical or its container. Handling should occur in a chemical fume hood.
Protection
Goggles or face shield; rubber gloves.
Respirators
Use NIOSH/MSHA approved respirator appropriate for exposure of concern.
Small spills/leaks
If you spill this chemical, use absorbent paper to pick up all liquid spill material. Your contaminated clothing and absorbent paper should be sealed in a vapor-tight plastic bag for eventual disposal. Solvent wash all contaminated surfaces with alcohol followed by washing with a strong soap and water solution. Do not reenter the contaminated area until the Safety Officer (or other responsible person) has verified that the area has been properly cleaned.
Disposal code
1
Stability
No data.
Incompatibilities
Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products.

Fire.
Flash Point,°C
240
Autoignition, °C
380
Lower exp. limit, %
0.3
Fire fighting
Fire Extinguishing Agents Not to Be Used: Water may be ineffective.Fire Extinguishing Agents: Dry chemical, foam, carbon dioxide
Fire potential
This chemical is combustible.
Health
0
 
Flammability
1
 
 
Reactivity
0
 

Health.
Poison_Class
-
Exposure effects
Central nervous system depression may occur with ingestion of large amounts.
   Ingestion
Gi tract or esophageal irritation may occur.
   Inhalation
Respiratory irritation is uncommon, but possible.
   Skin
Dermal irritation may sometimes develop.
   Eyes
Irritation of eyes, nose, and throat may occur.

First aid
 
   Ingestion
DO NOT INDUCE VOMITING. If the victim is conscious and not convulsing, give 1 or 2 glasses of water to dilute the chemical and IMMEDIATELY call a hospital or poison control center. Be prepared to transport the victim to a hospital if advised by a physician.
   Inhalation
IMMEDIATELY leave the contaminated area; take deep breaths of fresh air. If symptoms (such as wheezing, coughing, shortness of breath, or burning in the mouth, throat, or chest) develop, call a physician and be prepared to transport the victim to a hospital. Provide proper respiratory protection to rescuers entering an unknown atmosphere. Whenever possible, Self-Contained Breathing Apparatus (SCBA) should be used.
   Skin
IMMEDIATELY flood affected skin with water while removing and isolating all contaminated clothing. Gently wash all affected skin areas thoroughly with soap and water. If symptoms such as redness or irritation develop, IMMEDIATELY call a physician and be prepared to transport the victim to a hospital for treatment.
   Eyes
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.

Transport.
USCG CHRIS Code
DID
 
HS Code
2917 34 00
 
IMO Chemical Code
18
IMO Pollution Category
D