Isobutyl pentanoate

  • Isobutyl valerate
  • 2-Methylpropyl pentanoate
  • Pentanoic acid, 2-methylpropyl ester
  • Valeric acid, isobutyl ester
Formula
C9H18O2
Structure
Description
Colorless liquid with a fruity odor.

Registry Numbers and Inventories.
CAS
10588-10-0
EC (EINECS/ELINCS)
234-191-9
R: 36/38
S: 26 36/37/39
UN (DOT)
3272
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
-55
Boiling point, °C
166 - 167
Vapor pressure, mmHg
1.1 (25 C)
Vapor density (air=1)
5.4
Density
0.857 g/cm3 (20 C)
Solubility in water
Insoluble
Refractive index
1.407
Partition coefficient, pKow
3.18
Heat of vaporization
41,3 kJ/mol

Hazards and Protection.
Storage
Keep away from heat, sparks and open flame. Keep containers tightly closed. Keep in original container.
Protection
Use splash-proof eye goggles, impervious gloves and 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.
Stability
Stable at normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.

Fire.
Flash Point,°C
57
Fire fighting
Extinguishing media: Foam. Carbon dioxide (CO2). Dry Powder. Avoid breathing fire vapours. 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.

Health.
Exposure effects
   Ingestion
May cause stomach pain or vomiting.
   Skin
Causes irritation.
   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 if any discomfort continues.
   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
Packing Group
III