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273007

Sigma-Aldrich

γ-Methylene-γ-butyrolactone

99%

Synonym(s):

α′-Angelicalactone, 5-Methylenedihydro-2(3H)-furanone

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About This Item

Empirical Formula (Hill Notation):
C5H6O2
CAS Number:
10008-73-8
Molecular Weight:
98.10
Beilstein/REAXYS Number:
1560870
EC Number:
233-004-8
MDL number:
MFCD00042762
UNSPSC Code:
12352100
PubChem Substance ID:
24856523
NACRES:
NA.22

Quality Level

100

assay

99%

form

liquid

refractive index

n20/D 1.466 (lit.)

bp

80 °C/17 mmHg (lit.)

density

1.096 g/mL at 25 °C (lit.)

SMILES string

C=C1CCC(=O)O1

InChI

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

InChI key

SIFBVNDLLGPEKT-UHFFFAOYSA-N

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General description

The relative thermodynamic stabilities of γ-methylene-γ-butyrolactone were studied using chemical equilibration in cyclohexane and dipentyl ether solutions at several temperatures[1].

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Health hazard
GHS08

signalword

Danger

hcodes

H317,H334

Hazard Classifications

Resp. Sens. 1 - Skin Sens. 1

Storage Class

10 - Combustible liquids

wgk_germany

WGK 3

flash_point_f

194.0 °F - closed cup

flash_point_c

90 °C - closed cup

ppe

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

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Certificates of Analysis (COA)

Lot/Batch Number
05517JE
S36953
S34056
32870
14323CU

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Relative thermodynamic stabilities of ?-methylene-?-butyrolactone and ?-angelicalactone.
Tetrahedron, 50(6), 1885-1888 (1994)

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