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γ-Butyrolactone

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Origin: China

Cas No: 96-48-0

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Product Description

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CAS No.: 96-48-0 Formula: C4H6O2 Molecular Weight: 86.08920

Description

γ-Butyrolactone (GBL) is a hygroscopic colorless liquid with a weak characteristic odor. Soluble in water, GBL is a common solvent and reagent in chemistry as well as being used as a flavouring, as a cleaning solvent, as a superglue remover, and as a solvent in some wet aluminium electrolytic capacitors. In humans it acts as a prodrug for γ-hydroxybutyric acid (GHB), and it is used as a recreational intoxicant with effects similar to alcohol.

Basic Info

Chemical Name	γ-Butyrolactone
Synonyms	2-oxo-tetrahydrofurane; 2(3H)-Furanone, dihydro-; γ-butyrolactone; dihydro-furan-2-one; Gamma-Butyrolactone; tetrahydrofuran-2-one; butyrolactone;
CAS No.	96-48-0
Molecular Formula	C4H6O2
Molecular Weight	86.08920
PSA	26.30000
LogP	0.32340

Properties

Appearance & Physical State	colourless oily liquid
Density	1.12 g/mL at 25 °C(lit.)
Boiling Point	204-205 °C(lit.)
Melting Point	−45 °C(lit.)
Flash Point	209 °F
Refractive Index	n20/D 1.436(lit.)
Water Solubility	MISCIBLE
Stability	Stable. Hygroscopic. Incompatible with strong oxidizing agents, strong acids, strong bases, strong reducing agents.
Storage Condition	2-8°C
Vapor Density	3 (vs air)
Vapor Pressure	1.5 mm Hg ( 20 °C)

Safety Info

RTECS	LU3500000
Safety Statements	S26; S36; S39
HS Code	29322980
WGK Germany	1
Risk Statements	R22; R36
Hazard Codes	Xn

Synthesis Route

α-Bromo-γ-butyrolactone+Allyl phenyl sulfone→γ-Butyrolactone+3-prop-2-enyloxolan-2-one
succinic anhydride+→γ-Butyrolactone+1-Phenylpyrrolidine
Tetrahydrofuran→2-hydroxytetrahydrofuran+γ-Butyrolactone

Precursor

acetylene
fumaric acid
carbon monoxide
succinic anhydride

Downstream Product

3-prop-2-enyloxolan-2-one
1-(3-aminophenyl)pyrrolidin-2-one
4-[2,4-bis(2-methylbutan-2-yl)phenoxy]butanoic acid
4-(5-methoxy-3-methylindol-1-yl)butanoic acid

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