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393509

Sigma-Aldrich

3-Methyl-2(5H)-furanone

technical grade, 90%

Synonym(s):

α-Methyl-γ-crotonolactone, 2-Methyl-2-butenolide, 2-Methylbut-2-en-4-olide, 3-Methyl-2,5-dihydrofuran-2-one, 3-Methyl-5H-furan-2-one, 4-Hydroxy-2-methyl-2-butenoic acid γ-lactone

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About This Item

Empirical Formula (Hill Notation):
C5H6O2
CAS Number:
Molecular Weight:
98.10
Beilstein:
1642
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

grade

technical grade

Assay

90%

form

liquid

refractive index

n20/D 1.467 (lit.)

bp

97-99 °C/20 mmHg (lit.)

density

1.13 g/mL at 25 °C (lit.)

SMILES string

CC1=CCOC1=O

InChI

1S/C5H6O2/c1-4-2-3-7-5(4)6/h2H,3H2,1H3

InChI key

VGHBEMPMIVEGJP-UHFFFAOYSA-N

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General description

3-Methyl-2(5H)-furanone (3-Methylfuran-2(5H)-one) has been synthesized in highest yield (77%) by employing α-methyl-γ- butyrolactone as starting reagent.
3-Methyl-2(5H)-furanone, a five membered conjugated lactone, is a volatile compound. Its synthesis has been reported. It is reported to be one of the predominant constituent of the flavor of pandan leaves. It is also found in Thai soy sauce, Arabica roasted coffee samples from Brazil, bio-oil from pine wood sawdust.

Application

3-Methyl-2(5H)-furanone is the suitable model compound used to investigate the fragmentation mechanism of five membered lactones by electrospray ionisation tandem mass spectrometry and also to study the airway irritation of isoprene, isoprene/ozone, and isoprene/ozone/nitrogen dioxide mixture.

Pictograms

Exclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

200.1 °F - closed cup

Flash Point(C)

93.4 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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