Isopentyl 2-methylpropanoate

  • Isopentyl isobutyrate
  • 3-Methylbutyl isobutyrate
  • 3-Methylbutyl 2-methylpropanoate
  • Isoamyl 2-methylpropanoate
  • Isoamyl isobutanoate
  • Isoamyl isobutyrate
Formula
C9H18O2
Structure
Description
Colorless liquid with a fruity odor.

Registry Numbers and Inventories.
CAS
2050-01-3
EC (EINECS/ELINCS)
218-078-1
R: 10 36/37/38
S: 26 36/37/39
UN (DOT)
2620
Canada DSL/NDSL
DSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C9H18O2
Formula mass
158.24
Melting point, °C
-70
Boiling point, °C
169 - 171
Vapor pressure, mmHg
1.9 (25 C)
Vapor density (air=1)
5.4
Critical temperature
335
Critical pressure
23.2
Density
0.853 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.404
Partition coefficient, pKow
3.00
Heat of vaporization
40.2 kJ/mol

Hazards and Protection.
Storage
Keep away from heat, sparks and open flame. Keep containers tightly closed. Keep in original container. Flammable liquid storage.
Protection
Wear splash-proof eye goggles to prevent any possibility of eye contact. Use protective gloves. Wear appropriate clothing to prevent any possibility of liquid contact and repeated or prolonged vapor contact.
Small spills/leaks
Stop leak if possible without risk. Extinguish all ignition sources. Avoid sparks, flames, heat and smoking. Ventilate. Do not contaminate water sources or sewer. Absorb in vermiculite, dry sand or earth and place into containers. Wash thoroughly after dealing with a spillage.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.

Fire.
Flash Point,°C
50
Fire fighting
Use: Foam. Carbon dioxide (CO2). Dry Powder to extinguish. Avoid breathing fire vapors. Cool containers exposed to flames with water until well after the fire is out. Keep run-off water out of sewers and water sources. Dike for water control.
Fire potential
Flammable liquid.

Health.
Exposure effects
   Ingestion
May cause stomach pain or vomiting.
   Inhalation
May cause irritation to the respiratory system.
   Skin
Defats the skin.
   Eyes
Causes irritation.

First aid
 
   Ingestion
DO NOT INDUCE VOMITING! Remove victim immediately from source of exposure. Provide rest, warmth and fresh air. Get medical attention.
   Inhalation
Move the exposed person to fresh air at once. Get medical attention.
   Skin
Remove affected person from source of contamination. Wash skin thoroughly with soap and water for several minutes. Get medical attention if any discomfort continues.
   Eyes
Promptly wash eyes with plenty of saline/water while lifting the eye lids. Continue to rinse for at least 15 minutes. Get medical attention promptly if symptoms occur after washing.

Transport.
UN number
2620
Response guide
Hazard class
3
Packing Group
III