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393509

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:
22122-36-7
Molecular Weight:
98.10
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24864521
MDL number:
MFCD00191545
Beilstein/REAXYS Number:
1642
Assay:
90%
Form:
liquid
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grade

technical grade

Quality Segment

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.)

functional group

ester

SMILES string

CC1=CCOC1=O

InChI

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

InChI key

VGHBEMPMIVEGJP-UHFFFAOYSA-N

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
GHS07

Signal Word

Warning

Hazard Codes

H315,H319,H335

Hazard Classifications

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

Target Organs

Respiratory system

Storage Class

10 - Combustible liquids

WGK

WGK 3

Flash Point (°F)

200.1 °F - closed cup

Flash Point (°C)

93.4 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Gloves, type ABEK (EN14387) respirator filter

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