Buy GBL (Gamma-Butyrolactone) Online | GBL (Gamma-Butyrolactone)

Buy GBL (Gamma-Butyrolactone). Gamma-Butyrolactone, γ-Butyrolactone (GBL) is a hygroscopic colorless, water-miscible liquid with a weak characteristic odor. It is the simplest 4-carbon lactone. It is mainly used as an intermediate in the production of other chemicals, e.g. methyl-2-pyrrolidone.  In humans GBL acts as a prodrug for gamma-Hydroxybutyric acid (GHB), and it is used as a recreational CNS depressant with effects similar to those of barbiturates.

Occurrence:

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. GBL can be found in cheese flavourings but typically results in a content of 0.0002% GBL in the final foodstuff. 

Production and synthesis:

γ-Butyrolactone is produced industrially by dehydrogenation of 1,4-butanediol at a temperature of 180–300 °C and atmospheric pressure in the presence of a copper catalyst.

Dehydrocyclization of 1,4-butanediol to form γ-butyrolactone in the presence of a copper catalyst. The yield of this process is approximately 95%. The purification takes place with a liquid-gas-phase extraction.

In the laboratory, it may also be obtained via the oxidation of tetrahydrofuran (THF), for example with aqueous sodium bromate. An alternative route proceeds from GABA via a diazonium intermediate. 

Reactions:

As a lactone, GBL is hydrolyzed under basic conditions, for example in a sodium hydroxide solution into sodium gamma-hydroxybutyrate, the sodium salt of gamma-hydroxybutyric acid. In acidic water, a mixture of the lactone and acid forms coexist in an equilibrium. These compounds then may go on to form the polymer poly(4-hydroxybutyrate) as well as the dimer 1,6-Dioxecane-2,7-dione. When treated with a non-nucleophilic base, such as lithium diisopropylamide, GBL undergoes deprotonation alpha to the carbonyl. The related compound caprolactone can be used to make a polyester in this manner.

Polymerization:

The ring-opening polymerization of butyrolactone gives polybutyrolactone. The resulting reverts to the monomer by thermal cracking. It is claimed that poly(GBL) is competitive with commercial biomaterial poly(4-hydroxybutyrate), or P4HB. It is further claimed that poly(GBL) is cheaper to make than P4HB, although both are bio-derived. 

Buy GBL (Gamma-Butyrolactone) Online

Gamma-butyrolactone is an ideal antioxidant, plasticizer, dispersing agent, and solvent. However, GBL is perhaps most commonly used as an intermediate in the production of derivative chemicals like methyl-2-pyrrolidone, also known as NMP.

As well as its use in chemical production, GBL is known as a fragrance agent in some household products as well as a solvent in lotions, nail polish removers, and some polymers.

You can also use it in battery and capacitor production when you mix it with a small amount of ethylene glycol.

USES & EFFECTS:

Gamma butyrolactone GBL is a magic cleaner that has a unique cleaning strength.

Causing relaxation.

Increasing mental clarity.

Relieving depression and stress.

Prolonging life.

Improving sexual performance and pleasure.

Reducing fat.

Releasing growth hormone.

Improving athletic performance.

Improving sleep.

As a body-builder or muscle-builder.

As a recreational drug.

GBL (gamma-butyrolactone) is a ‘pro-drug of GHB, which means that it converts to GHB within the body. GBL occurs naturally in certain food products, is found in small quantities in the human body, and is available commercially as an industrial solvent and as an ingredient in cleaners, paint removers, and engine degreasers.

Gamma butyrolactone is a chemical. People use it as medicine. Be careful not to confuse gamma-butyrolactone (GBL) with gamma-hydroxybutyrate (GHB). Despite serious safety concerns and illegality, people take gamma butyrolactone to improve athletic performance, sleep, and sexual performance, and pleasure.

GBL) APPEARANCE AND TASTE:

At room temperature, GBL is a colorless, slightly oily liquid that is clear to semi-opaque.

It has a distinctive taste that some users have described as being distinctly chemical, like a solvent, nail varnish, or paint stripper.

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