Gamma-butyrolactone

Basic Info:

  • Chemical Synonym(s): 2-oxo-tetrahydrofurane; 2(3H)-Furanone, dihydro-; γ-butyrolactone; dihydro-furan-2-one; Gamma-Butyrolactone
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  • CAS Number: 96-48-0
  • Chemical Formula:

    C4H6O2

  • MSDS: Download

Characteristics: 

Vapor density
3 (vs air)
Storage temp
2-8°C
Vapor pressure
1.5 mm Hg ( 20 °C)
Density
1.12 g/mL at 25 °C (lit.)
Appearance & Physical State
Colourless oily liquid
Boiling Point
204-205 °C(lit.)
Melting Point
−45 °C(lit.)
Flash Point
209 °F
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Our Advantages:

Our company has a team of specialized pharmaceutical intermediates, and at the same time we have a wealth of plant resources, we know the reactions each plant excels at, know the waste and exhaust gases for each reaction, and understand the costs and methods of treatment.
So, we can quickly match the most suitable plant for you From the material in the lab, to commercial production, we can help you get it fast.
We divide the entire pharmaceutical intermediate production process into the following sections:
1. Laboratories develop routes
2. Inter test test
3. Large production shop trial production Every step we have a lot of experience and success stories

We have a 20+ year track record of working with suppliers in China and rating reports on them, and we keep our suppliers updated with the latest news so our customers can get the latest supplier reports. We know the market well and have early warning notifications on upstream raw material prices to help you build a stable supply chain.

When selecting suppliers, our procurement specialists will audit the qualification of suppliers, conduct thorough investigations such as field visits and sample testing, and make ratings to ensure the authenticity and legality of supplier information.

We have a long-term stable cooperation with GLP laboratories, encounter customer test results and supplier test results do not match the situation, we will commission a third party to test to ensure the accuracy, authenticity and reliability of the experimental results. In this way, we can effectively control the product quality problems.

We have a long-term cooperative warehouse and can follow up packaging and labeling according to safety regulations and customer requirements. In order to effectively prevent damage to the goods in transit, we have prepared various reinforcement measures and packaging solutions.

We have a number of international freight companies with whom we have long-standing cooperation, and we can choose several route options according to the customer's requirements. For more difficult or urgent orders, we will prepare several alternative solutions to ensure safe and timely delivery.

 

We promise to immediately and unconditionally exchange or return the goods if they have quality problems. Our employees who deal with after-sales issues have many years of international work experience and are familiar with various processes in multinational work, so they can communicate and deal with after-sales issues without any obstacles.

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Introduction:

Gamma-butyrolactone is commonly called GBL. The compound has many nicknames, such as Industrial Solvent, Dihydroxybutyric Acid Anhydride, and GBL Dissolved in Water.

It is prepared by mixing a stoichiometric amount of sodium hydroxide with gamma-butyrolactone in methanol. The reaction mixture is stirred at room temperature for some time, and then the sodium hydroxide is filtered off. The filtrate obtained upon evaporation of the solvent provides pure Gamma-butyrolactone.

It is the most common of the three isomeric butanol lactones. It is a colourless fluid with a pleasant odour. It is miscible in water, alcohols, ethers, and esters. It has narcotic properties and is slightly toxic.

As a hydrolysis product of gamma-butyrolactone, 1,4-butanediol is used in the manufacture of polyurethane polymers.

Applications:

Gamma-butyrolactone is widely used as a fragrance and pharmaceutical intermediate. It is safe to use as a high boiling point solvent because of its strong solubility, good electrical properties, and stability.

It can dissolve most low molecular polymers and some high molecular polymers as a solvent.

It can be used as a carrier in the polymerization reaction and participate in the polymerization reaction. It can be used in pyrrolidone, butyric acid, etc. It is also used as a solvent for drugs like chlorhexidine gluconate.

It's used on windows and mirrors to clean them because it doesn't leave streaks or spots. And if you spill something on the floor that won't come off quickly, it will dissolve the stain so you can wipe it up.

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