Merck
All Photos(1)

117757

Sigma-Aldrich

α-Methyl-γ-butyrolactone

98%

Synonym(s):
4,5-Dihydro-3-methyl-2(3H)-furanone
Empirical Formula (Hill Notation):
C5H8O2
CAS Number:
Molecular Weight:
100.12
Beilstein:
80418
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.22

Quality Level

Assay

98%

refractive index

n20/D 1.432 (lit.)

bp

78-81 °C/10 mmHg (lit.)

solubility

THF: soluble

SMILES string

CC1CCOC1=O

InChI

1S/C5H8O2/c1-4-2-3-7-5(4)6/h4H,2-3H2,1H3

InChI key

QGLBZNZGBLRJGS-UHFFFAOYSA-N

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This Item
226416B103608219126
γ-Butyrolactone ReagentPlus®, ≥99%

Sigma-Aldrich

B103608

γ-Butyrolactone

β-Butyrolactone 98%

Sigma-Aldrich

219126

β-Butyrolactone

assay

98%

assay

97%

assay

≥99%

assay

98%

refractive index

n20/D 1.432 (lit.)

refractive index

n20/D 1.472 (lit.)

refractive index

n20/D 1.436 (lit.)

refractive index

n20/D 1.411 (lit.)

bp

78-81 °C/10 mmHg (lit.)

bp

86-88 °C/12 mmHg (lit.)

bp

204-205 °C (lit.)

bp

71-73 °C/29 mmHg (lit.)

solubility

THF: soluble

solubility

water: soluble(lit.)

solubility

-

solubility

-

Quality Level

100

Quality Level

200

Quality Level

200

Quality Level

100

General description

α-Methyl-γ-butyrolactone undergoes benzylation to give racemic α-benzyl-α-methyl-γ-butyrolactone.

Application

α-Methyl-γ-butyrolactone was used as model compound in Bracketing experiments to investigate the thermodynamically favored site of reaction of pilocarpine.

Storage Class Code

10 - Combustible liquids

WGK

WGK 3

Flash Point(F)

163.4 °F - closed cup

Flash Point(C)

73 °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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