Skip to Content
Merck
All Photos(1)

Key Documents

W343218

Sigma-Aldrich

Isobutyl trans-2-butenoate

≥98%, FCC, FG

Synonym(s):

2-Methylpropyl (E)-but-2-enoate, Isobutyl (E)-2-butenoate, Isobutyl crotonate

Sign Into View Organizational & Contract Pricing


About This Item

Linear Formula:
CH3CH=CHCO2CH2CH(CH3)2
CAS Number:
Molecular Weight:
142.20
FEMA Number:
3432
Council of Europe no.:
10706
MDL number:
UNSPSC Code:
12164502
PubChem Substance ID:
Flavis number:
9.273
NACRES:
NA.21

biological source

synthetic

Quality Level

grade

FG
Kosher

reg. compliance

EU Regulation 1334/2008 & 872/2012
FCC
FDA 21 CFR 100

Assay

≥98%

refractive index

n20/D 1.428 (lit.)

bp

171 °C (lit.)

density

0.89 g/mL at 25 °C (lit.)

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

fruity; rum

storage temp.

2-8°C

SMILES string

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

InChI

1S/C8H14O2/c1-4-5-8(9)10-6-7(2)3/h4-5,7H,6H2,1-3H3/b5-4+

InChI key

XDOWKOALJBOBBL-SNAWJCMRSA-N

General description

Isobutyl trans-2-butenoate is a flavoring agent used in the food industry.

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

131.0 °F - closed cup

Flash Point(C)

55 °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

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