273007
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:
Molecular Weight:
98.10
UNSPSC Code:
12352100
NACRES:
NA.22
PubChem Substance ID:
EC Number:
233-004-8
Beilstein/REAXYS Number:
1560870
MDL number:
Assay:
99%
Form:
liquid
InChI key
SIFBVNDLLGPEKT-UHFFFAOYSA-N
InChI
1S/C5H6O2/c1-4-2-3-5(6)7-4/h1-3H2
SMILES string
C=C1CCC(=O)O1
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.)
Quality Level
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.
signalword
Danger
hcodes
Hazard Classifications
Resp. Sens. 1 - Skin Sens. 1
Storage Class
10 - Combustible liquids
wgk
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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Relative thermodynamic stabilities of ?-methylene-?-butyrolactone and ?-angelicalactone.
Tetrahedron, 50(6), 1885-1888 (1994)
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