Propyl isobutanoate

  • Propanoic acid, 2-methyl-, propyl ester
  • Propyl 2-methylpropanoate
  • n-Propyl isobutyrate
  • Isobutyric acid, propyl ester
Formula
C7H14O2
Structure
Description
Colorless liquid with a strong, fruity odor.

Registry Numbers and Inventories.
CAS
644-49-5
EC (EINECS/ELINCS)
211-417-4
R: 10 36/37
S: 26 36/37/39
UN (DOT)
3272
Canada DSL/NDSL
DSL
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed
Korea ECL
Listed

Properties.
Formula
C7H14O2
Formula mass
130.19
Melting point, °C
-78
Boiling point, °C
133 - 134
Vapor pressure, mmHg
8 torr (20 C)
Vapor density (air=1)
4.4
Critical temperature
308
Critical pressure
28.0
Density
0.866 g/cm3 (20 C)
Solubility in water
Slightly soluble
Refractive index
1.392
Partition coefficient, pKow
2.12
Heat of vaporization
37.3 kJ/mol

Hazards and Protection.
Storage
Flammable liquid storage. Keep away from heat, sparks and open flame. Keep containers tightly closed. Keep in original container.
Protection
Chemical safety goggles, impervious gloves, protective clothing.
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.

Fire.
Flash Point,°C
30
Fire fighting
Extinguish with: Foam. Carbon dioxide (CO2). Dry Powder. 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
Irritating to eyes, respiratory system and skin. Can defat skin, may cause stomach pain or vomiting.

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
3272
Response guide
Hazard class
3