Canada Domestic Gamma - Hydroxybutyrate CAS 96-48-0 GHB Liquid 99.9% Purity

Quick detail 

Gamma-butyrolactone is one kind of important fine chemicalintermediate, simultaneously also is one kind of performance fine highboiling point solvent, ideal antioxidant, plasticizer,extracting agent, absorbent, dispersing agent, solid stain, Coagulation Reagent.

Product Name: gamma-Butyrolactone; GBL
CAS: 96-48-0
MF: C4H6O2
MW: 86.09
EINECS: 202-509-5
Chemical Properties: Clear colorless oily liquid with a pleasant odor

Category: Flammable substance

Specification : Magic GBL with Magic effect

Usage: Gamma-butyrolactone is one kind of important fine chemicalintermediate, simultaneously also is one kind of performance fine highboiling point solvent, ideal antioxidant, plasticizer,extracting agent, absorbent, dispersing agent, solid stain, Coagulation Reagent.

Chemical information 

Melting point:  −45 °C

Boiling point: 204-205 °C

Density: 1.12 g/mL at 25 °C

Water Solubility: MISCIBLE

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

Acute toxicity: Oral-rat LD50: 1540 mg/kg; oral-mouse LD50: 1720 mg/kg

Storage and transportation properties: Make sure ventilating, low temperature and drying in the warehouse; separate from the oxidant; prevent fires.

GBL is a hygroscopic colorless liquid with a weak characteristic odor which is 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 GHB, and it is used as a recreational intoxicant with effects similar to alcohol.

GBL is a lactone. It is hydrolyzed under basic conditions, for example in a sodium hydroxide solution into sodium gamma-hydroxybutyrate, the sodium salt of gamma-hydroxybutyric acid. Under acidic conditions it forms an equilibrium mixture of both compounds. These compounds then may go on to form a polymer. When treated with a non-nucleophilic base, like lithium diisopropylamide, GBL can become an alpha-carbon nucleophile. The related compound caprolactone can be used to make a polyester in this manner.

GBL is rapidly converted into GHB by paraoxonase (lactonase) enzymes, found in the blood. Animals which lack these enzymes exhibit no effect from GBL. GBL is more lipophilic (fat soluble) than GHB, and so is absorbed faster and has higher bioavailability. Because of these pharmacokinetic differences, GBL tends to be more potent and faster-acting than GHB, but has a shorter duration; whereas the related compound 1,4-butanediol (1,4-B) tends to be slightly less potent, slower to take effect but longer-acting than GHB.

1. It is an important organic synthesis intermediate which can be used to synthesize indole butyric acid, butyric acid, succinic acid, α-pyrrolidone, N-methylpyrrolidone, vinyl pyrrolidone, acetyl-γ-butyrolactone, cyclopropylamine, ciprofloxacin, vitamin B1, chlorophyll and so on;
2. It is a non-toxic high boiling point solvent with high solubility and safe and convenient usage and management;
3. It is used as an extractant for butadiene, aromatic, advanced grease petroleum processing;
4. It is used as an acrylonitrile fiber spinning solvent in the chemical fiber industry.
5. It is a thinner and curing agent commonly used in wool, nylon, acrylonitrile and other fiber dyeing auxiliaries and other chemical industries.

Maleic anhydride hydrogenation method is an advanced technology developed in 1970s. It can produce tetrahydrofuran and γ-butyrolactone in any proportion with a hydrogenation reaction, and the usual ratio is tetrachlorofuran: γ-butyrolactone = 3-4:1.

There are many production enterprises, but usually in small scale. The average level is 300t/a. The production capacity account for 30% of the total domestic production capacity. 2.1, 4-butanediol dehydrogenation reactor is a tube array reactor, filled with flake copper catalyst (with zinc oxide as the carrier). The reaction temperature is controlled at 230-240 ° C. The yield of the product is obtained by reduced pressure distillation of and the yield is above 77%.

1. Can be hydrolyzed to produce γ-hydroxy butyric acid, can be used as a special plasticizer plastic, pharmaceutical intermediates;

2. Can be oxidized to produce succinic acid; reduced to 4-hydroxy butyraldehyde, and then reduced to 1,4-butanediol;

3. Can be condensed to produce α, α - dihydroxy ketone acetal;

4. Can react with CH3NH2 to form N-methyl-2-pyrrolidone;

5. Can generate tetrahydrofuran;

6. Can react with SO3 to form butyrolactone-α-sulfonic acid;

7. Can react with NaCN to form 2-piperidone;

8. Can react with CO to produce glutaric acid;

9. Can react with NaOH to produce 4,4 - oxo succinic acid;

10. Can react with Na2S to form thiolated succinic acid;

      With NA2SO3 reaction to generate sodium γ-sulfobutyrate.

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Tags: GBL, GHB, Gamma-Hydroxybutyrate