3-METHYL-4-PENTENOIC ACID 97 Property

Boiling point:

75-76 °C/4 mmHg (lit.)

Density 

0.94 g/mL at 25 °C (lit.)

refractive index 

n20/D 1.429(lit.)

Flash point:

200 °F

Safety

Hazard Codes 

C

Risk Statements 

34

Safety Statements 

23-26-36/37/39-45

RIDADR 

UN 3265 8/PG 2

WGK Germany 

3

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H314Causes severe skin burns and eye damage

Precautionary statements

P280Wear protective gloves/protective clothing/eye protection/face protection.

P303+P361+P353IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

P363Wash contaminated clothing before reuse.

P405Store locked up.

3-METHYL-4-PENTENOIC ACID 97 Chemical Properties,Usage,Production

Uses

3-Methyl-4-pentenoic acid may be used to synthesize:

• trans- and cis-5-phenylseleno-3-methyl-4-pentanolides
• trans- and cis-5-iodo-3-methyl-4-pentanolides
• 3-methyl-4-pentene-1-ol

Definition

ChEBI: 3-methyl-4-pentenoic acid is a methyl-branched fatty acid.

General Description

3-Methyl-4-pentenoic acid can be synthesized from crotyl acetate via Claisen rearrangement.