Skip to Content
Merck
All Photos(1)

Documents

W319406

Sigma-Aldrich

2-Methyl-2-pentenal

≥97%, FG

Synonym(s):

2,4-dimethyl crotonaldehyde, 2-methylpent-2-enal

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
C2H5CH=C(CH3)CHO
CAS Number:
Molecular Weight:
98.14
FEMA Number:
3194
EC Number:
Council of Europe no.:
2129
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
5.090
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines
meets purity specifications of JECFA

reg. compliance

EU Regulation 1223/2009
EU Regulation 1334/2008 & 178/2002

Assay

≥97%

refractive index

n20/D 1.45 (lit.)

bp

137-138 °C/765 mmHg (lit.)

density

0.86 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

fragrance allergen

no known allergens

Organoleptic

green; pungent; fruity

SMILES string

[H]C(=O)\C(C)=C\CC

InChI

1S/C6H10O/c1-3-4-6(2)5-7/h4-5H,3H2,1-2H3/b6-4+

InChI key

IDEYZABHVQLHAF-GQCTYLIASA-N

Looking for similar products? Visit Product Comparison Guide

General description

2-Methyl-2-pentenal has been identified as one of the major volatile flavor compounds in chive, caucas, onion and leek.

Application


  • Control of Panama disease of banana by intercropping with Chinese chive (Allium tuberosum Rottler): cultivar differences.: Investigates the use of intercropping strategies to manage soil-borne diseases in bananas, potentially involving volatile organic compounds like 2-methyl-2-pentenal to enhance plant resistance (Li et al., 2020).

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Aquatic Chronic 3 - Eye Dam. 1 - Flam. Liq. 3 - Skin Sens. 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

89.6 °F - closed cup

Flash Point(C)

32 °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

Volatile flavor components of caucas
Nishimura H, et al.
Journal of Agricultural and Food Chemistry, 19(5), 992-994 (1971)
The volatile carbonyls and alcohols in the flavor substances of onion (Allium cepa).
Sp?re CG & Virtanen AI.
Acta Chemica Scandinavica, 15(6) (1961)
Volatiles from chives (Allium schoenoprasum).
Wahlroos O & Virtanen AI
Acta Chemica Scandinavica, 19(6). (1965)
Volatile flavor components of leek.
Schreyen L, et al.
Journal of Agricultural and Food Chemistry, 24(2), 336-341 (1976)

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