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226416

α-Methylene-γ-butyrolactone

97%

Synonym(s):

alpha-Methylene-gamma-butyrolactone, 3-Methylenedihydro-2(3H)-furanone, Tulipane

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About This Item

Empirical Formula (Hill Notation):
C5H6O2
CAS Number:
547-65-9
Molecular Weight:
98.10
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
24853566
MDL number:
MFCD00005407
Beilstein/REAXYS Number:
107939
Assay:
97%
Form:
liquid
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Quality Segment

200

assay

97%

form

liquid

contains

~2% 2,6-di-tert-butyl-p-cresol as stabilizer

refractive index

n20/D 1.472 (lit.)

bp

86-88 °C/12 mmHg (lit.)

solubility

water: soluble(lit.)

density

1.119 g/mL at 25 °C (lit.)

functional group

ester

storage temp.

2-8°C

SMILES string

C=C1CCOC1=O

InChI

1S/C5H6O2/c1-4-2-3-7-5(4)6/h1-3H2

InChI key

GSLDEZOOOSBFGP-UHFFFAOYSA-N

Application

α-Methylene-γ-butyrolactone (Tulipane) was used to develop optically active spiro-[butyrolactone-pyrrolidine] via Cu(I)-catalyzed exo-selective 1,3-dipolar cycloaddition of azomethine ylides.

pictograms

FlameExclamation mark
GHS02,GHS07

signalword

Warning

Hazard Classifications

Aquatic Chronic 3 - Flam. Liq. 3 - Skin Sens. 1

Storage Class

3 - Flammable liquids

flash_point_f

98.6 °F - closed cup

flash_point_c

37 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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