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BETA-BUTYROLACTONE

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BETA-BUTYROLACTONE Basic information

Product Name:
BETA-BUTYROLACTONE
Synonyms:
  • β-Butyrolactone,β-Methyl-β-propiolactone, 3-Hydroxybutyric acid β-lactone, 4-Methyl-2-oxetanone
  • 4-Methyl-2-oxetanone beta-Methylpropiolactone
  • beta-Butyrolactone 98%
  • b-Methyl-b-propiolactone
  • (R,S)-4-Methyl-oxetan-2-one
  • 2-Oxetanone, 4-methyl-
  • 3-Hydroxybutanoic acid, beta-lactone
  • 3-hydroxybutanoicacid,beta-lactone
CAS:
3068-88-0
MF:
C4H6O2
MW:
86.09
EINECS:
221-330-3
Product Categories:
  • Oxetanes
  • Simple 4-Membered Ring Compounds
Mol File:
3068-88-0.mol
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BETA-BUTYROLACTONE Chemical Properties

Melting point:
−43.5 °C(lit.)
Boiling point:
71-73 °C29 mm Hg(lit.)
Density 
1.056 g/mL at 25 °C(lit.)
refractive index 
n20/D 1.411(lit.)
Flash point:
140 °F
form 
neat
Water Solubility 
132.7g/L(18 ºC)
Stability:
Stable. Incompatible with strong bases, strong oxidizing agents. Flammable.
CAS DataBase Reference
3068-88-0(CAS DataBase Reference)
IARC
2B (Vol. 11, Sup 7, 71) 1999
EPA Substance Registry System
.beta.-Butyrolactone (3068-88-0)
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Safety Information

Hazard Codes 
Xn
Risk Statements 
36/38-40
Safety Statements 
26-36
RIDADR 
UN 1993 3/PG 3
WGK Germany 
3
RTECS 
RQ8050000
HazardClass 
3.2
PackingGroup 
III

MSDS

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BETA-BUTYROLACTONE Usage And Synthesis

Chemical Properties

colourless liquid

Uses

β-Butyrolactone was used in the preparation of (3- O -[oligo-(3-hydroxybutyrate ester)] fluorescein, fluorescein derivative of poly(3-hydroxybutyrate) via anionic polymerization.

General Description

Clear colorless liquid with an acetone-like odor.

Air & Water Reactions

Highly flammable. Water soluble

Reactivity Profile

BETA-BUTYROLACTONE is incompatible with strong oxidizers and strong bases. BETA-BUTYROLACTONE is hydrolyzed by water and aqueous alkali.

Hazard

Possible carcinogen, neoplastigen; tumori- genmutagen, irritant, slightly toxic.

Fire Hazard

BETA-BUTYROLACTONE is combustible.

Safety Profile

Suspected carcinogen with experimental carcinogenic, neoplastigenic, and tumorigenic data. Mildly toxic by ingestion. A moderate skin irritant. Mutation data reported. When heated to

BETA-BUTYROLACTONE Preparation Products And Raw materials

Raw materials

BETA-BUTYROLACTONESupplier

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