Skip to Content
Merck
All Photos(2)

Key Documents

553115

Sigma-Aldrich

3-Methyl-4-pentenoic acid

97%

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
CH2=CHCH(CH3)CH2CO2H
CAS Number:
Molecular Weight:
114.14
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

Assay

97%

refractive index

n20/D 1.429 (lit.)

bp

75-76 °C/4 mmHg (lit.)

density

0.94 g/mL at 25 °C (lit.)

SMILES string

CC(CC(O)=O)C=C

InChI

1S/C6H10O2/c1-3-5(2)4-6(7)8/h3,5H,1,4H2,2H3,(H,7,8)

InChI key

QNPZXLANENFTFK-UHFFFAOYSA-N

General description

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

Application

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

Pictograms

Corrosion

Signal Word

Danger

Hazard Statements

Hazard Classifications

Eye Dam. 1 - Skin Corr. 1B

Storage Class Code

8A - Combustible corrosive hazardous materials

WGK

WGK 3

Flash Point(F)

199.9 °F - closed cup

Flash Point(C)

93.3 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

The ester enolate Claisen rearrangement. Stereochemical control through stereoselective enolate formation
Ireland ER, et al.
Journal of the American Chemical Society, 98(10), 2868-2877 (1976)
Understanding the effect of allylic methyls in olefin cross-metathesis.
Courchay FC, et al.
Journal of Organometallic Chemistry, 691(4), 585-594 (2006)
1, 2-Diferrocenylethane from an Unusual Reaction
Jr R.et al.
Journal of the American Chemical Society, 81(12), 3162-3163 (1959)
Stereoselective selenolactonization by superelectrophilic benzeneselenenyl triflate.
Murata S and Suzuki T.
Chemistry Letters (Jpn), 5, 849-852 (1987)
Back TG.
Organosilicon Chemistry, 40-40 (1999)

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service