Skip to Content
Merck
All Photos(2)

Key Documents

W364620

Sigma-Aldrich

3-Methyl-2-butenal

≥97%, FG

Synonym(s):

3-Methylcrotonaldehyde, 3,3-Dimethylacrolein, 3,3-Dimethylacrylaldehyde, NSC 149164, Prenal, Senecialdehyde

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
(CH3)2C=CHCHO
CAS Number:
Molecular Weight:
84.12
FEMA Number:
3646
Beilstein:
1734740
EC Number:
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
05.124
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Fragrance grade
Halal
Kosher

Agency

follows IFRA guidelines

reg. compliance

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

vapor pressure

7 mmHg ( 20 °C)

Assay

≥97%

refractive index

n20/D 1.462 (lit.)

bp

133-135 °C (lit.)

density

0.878 g/mL at 20 °C
0.872 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

cherry; fruity; nutty; sweet

storage temp.

2-8°C

SMILES string

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

InChI

1S/C5H8O/c1-5(2)3-4-6/h3-4H,1-2H3

InChI key

SEPQTYODOKLVSB-UHFFFAOYSA-N

Looking for similar products? Visit Product Comparison Guide

Application


  • Study on the reaction of 3-methyl-2-butenal and 3-methylbutanal with Cl atoms: kinetics and reaction mechanism.: Focuses on the kinetics and mechanisms of reactions between 3-methyl-2-butenal and chlorine atoms, which are crucial for understanding its stability and reactivity in environmental contexts (Shi et al., 2022).

Signal Word

Danger

Hazard Statements

Hazard Classifications

Acute Tox. 3 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Flam. Liq. 3 - Skin Corr. 1B - Skin Sens. 1

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

91.4 °F - closed cup

Flash Point(C)

33 °C - closed cup


Choose from one of the most recent versions:

Certificates of Analysis (COA)

Lot/Batch Number

Don't see the Right Version?

If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

Already Own This Product?

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

Visit the Document Library

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