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Gamma butyrolactone

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Gamma butyrolactone CAS No: 96-48-0







HOME >> Chemicals >> Chemicals List 1 >> Gamma butyrolactone

Gamma butyrolactone

CAS number 96-48-0

Gamma butyrolactone formula: C4H6O2

Synonyms: 4-hydroxybutyric acid gamma-lactone, gamma-6480, agrisynth blo, gamma-bl, blo, blon, 4-butanolide, 1,2-butanolide, 1,4-butanolide, gamma-4-hydroxy-butyric acid, butyric acid lactone, butyrolactone, alpha-butyrolactone, 4-butyrolactone, butyryl lactone, 4-deoxytetronic acid, dihydro-2(3H)-furanone, gamma-hydroxybutyric acid cyclic ester, 2-oxolanone, tetrahydro-2-furanone
Use: synthetic reagent, ingredient in some paint removers.

Molecular formula: C4H6O2
CAS No: 96-48-0
EINECS No: 202-509-5

Physical data

Appearance: colourless oily liquid
Melting point: -45 C
Boiling point: 204 - 206 C
Vapour density:
Vapour pressure: 1.5 mm Hg at 20 C
Density (g cm-3): 1.12
Flash point: 98 C (closed cup)
Explosion limits: 1.4 - 16%
Autoignition temperature:
Water solubility:


Stable. Hygroscopic. Incompatible with strong oxidizing agents, strong acids, strong bases, strong reducing agents.


Inhalation may be harmful. Harmful if swallowed. Severe skin irritant.

Toxicity data
ORL-RAT LD50 1540 mg kg-1
IPR-RAT LD50 1000 mg kg-1
ORL-MUS LD50 1720 mg kg-1
IPR-MUS LD50 1100 mg kg-1
SKN-GPG LD50 > 5000 mg kg-1
IVN-RBT LDLO 500 mg kg-1

Personal protection
Safety glasses, adequate ventilation.

Gamma-Butyrolactone is a hygroscopic colorless oily liquid with a weak characteristic odor and is soluble in water.

GBL is a common solvent and reagent in chemistry and is used as an aroma compound, as a stain remover, as a superglue remover, as a paint stripper, and as a solvent in some wet aluminium electrolytic capacitors.GBL has been found in extracts from samples of unadulterated wines.

This finding indicates that GBL is a naturally occurring component in some wines and may be present in similar products.

The concentration detected was approximately 5 μg/mL and was easily observed using a simple extraction technique followed by GC/MS analysis.

Effects: Journalists have long been calling GHB liquid ecstasy. This is incorrect - the effects are similar, but different: warm fuzzy feeling, chattiness, increased energy, ability to stay awake longer, overwhelming horniness, emotional intensity.

It is not for nothing that GBL took off in the sx clubs and spread to more mainstream users from there. It's been described as 'a lovely mellow buzz that leaves you functional and normal, but completely at ease with the world'.


Note /Government Notification: These chemicals are designated as those that are used in the manufacture of the controlled substances and are important to the manufacture of the substances. For any (Control Substance) products Import and Export *** subjected to your country government laws /control substance ACT.
Information: The information on this web page is provided to help you to work safely, but it is intended to be an overview of hazards, not a replacement for a full Material Safety Data Sheet (MSDS). MSDS forms can be downloaded from the web sites of many chemical suppliers. ,also that the information on the PTCL Safety web site, where this page was hosted, has been copied onto many other sites, often without permission. If you have any doubts about the veracity of the information that you are viewing, or have any queries, please check the URL that your web browser displays for this page. If the URL begins " Benzoate.htm/" the page is maintained by the Safety Officer in Physical Chemistry at Oxford University. If not, this page is a copy made by some other person and we have no responsibility for it.
The Controlled Substances Act (CSA) was enacted into law by the Congress of the United States as Title II of the Comprehensive Drug Abuse Prevention and Control Act of 1970.[1] The CSA is the federal U.S. drug policy under which the manufacture, importation, possession, use and distribution of certain substances is regulated. The Act also served as the national implementing legislation for the Single Convention on Narcotic Drugs

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