Product Identification

Product Name

3-Methylbutyl 2-methylpropanoate

Synonyms

3-Methylbutyl 2-methylpropanoate
3-Methylbutyl isobutyrate
Isoamyl 2-methylpropanoate
Isoamyl isobutanoate
Isoamyl isobutyrate
Isopentyl isobutyrate

CAS

2050-01-3

Formula

C9H18O2

Molecular Weight

158.24

EINECS

218-078-1

Physical and Chemical Properties

Appearance

Colorless liquid with a fruity odor.

Solubility in water

Insoluble

Melting Point

-70

Boiling Point

169 - 171

Vapor Pressure

1.9 (25 C)

Density

0.853 g/cm3 (20 C)

Partition Coefficient

3

Heat Of Vaporization

40.2 kJ/mol

Vapor Density

5.4

Refractive Index

1.404

First Aid Measures

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.

Handling and Storage

Storage

Keep away from heat, sparks and open flame. Keep containers tightly closed. Keep in original container. Flammable liquid storage.

Hazards Identification

Ingestion

May cause stomach pain or vomiting.

Inhalation

May cause irritation to the respiratory system.

Skin

Defats the skin.

Eyes

Causes irritation.

EC Risk Phrase

R: 10 36/37/38

EC Safety Phrase

S: 26 36/37/39

UN (DOT)

2620

Exposure Controls/Personal Protection

Personal 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.

Fire Fighting Measures

Flash Point

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.

Accidental Release Measures

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 and Reactivity

Stability

Stable at normal temperatures and pressures.

Incompatibilities

Strong oxidizing agents.

Transport Information

UN Number

2620

Hazard Class

3

Packing Group

III