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226416

Sigma-Aldrich

α-Methylene-γ-butyrolactone

97%

Synonym(s):
alpha-Methylene-gamma-butyrolactone, 3-Methylenedihydro-2(3H)-furanone, Tulipane
Empirical Formula (Hill Notation):
C5H6O2
CAS Number:
Molecular Weight:
98.10
Beilstein:
107939
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

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.)

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

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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[1].

Packaging

1, 5 g in glass bottle

Pictograms

FlameExclamation mark

Signal Word

Warning

Hazard Statements

Hazard Classifications

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

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

98.6 °F - closed cup

Flash Point(C)

37 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

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Certificate of Origin

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