Colorless and odorless liquid 1,4-BUTANEDIOL 110-63-4 Quick Effect

Basic Information 

Description

BDO is the short name of 1,4-Butanediol, it is a kind of colorless viscous oil-like liquid, combustible and can mixing with water. With freezing point of 20.1 Degree C, boiling point of 228 Degree C,171 Degree C(13.3kPa),120 Degree C(1.33kPa),86 Degree C(0.133kPa, the relative density of 1.0171(20/4 Degree C). The index of refraction is 1.461, flash point is 121 Degree C. It can soluble in methanol and ethanol, slightly soluble in ether. It has bitter taste and moisture absorption.

Application

1,4-Butanediol is a kind of important organic chemical and fine chemical raw material, 1,4-Butanediol is the basic raw material for producing polyethylene terephthalate (PBT) engineering plastics and PBT fiber, PBT plastic is one of the most promising five major engineering plastics.

Synthesis

In its industrial synthesis, acetylene reacts with two equivalents of formaldehyde to form 1,4-butynediol. This type of acetylene-based process is illustrative of what is known as "Reppe chemistry", after German chemist Walter Reppe. Hydrogenation of 1,4-butynediol gives 1,4-butanediol. This route is used by BASF and Ashland/ISP. It is also manufactured on an industrial scale from maleic anhydride in the Davy process, which is first converted to the methyl maleate ester, then hydrogenated. Other routes are from butadiene, allyl acetate and succinic acid.

A biological route to BDO has been commercialized that uses a genetically modified organism.The biosynthesis proceeds via 4-hydroxybutyrate.

Usage

1.1,4 butanediol is an important raw materials for organic and refined. It is the basic material for producing PBT plastics and fiber, and PBT is one of the five most promising engineering plastics.

2. 1,4butanediol is the main raw material for producing THF, which is an important organic solvent. The polymeric compound PTMEG of THF forms the basic material for highly-elastic urethane elastic fiber, which is mainly used for producing high-grade sports wear and swimming suit that requir high elasticity.

3. 1,4-butanediol is the main material for producing γ-butyrolacton, which is widely used in pesticide, pharmaceuticals, cosmetics and other industries due to its ability to produce 2-pyrrolidone, NMP and their derivatives NVP and PVP etc. high add-ons products.

4. 1,4butanediol is the main material for producing polyurethane artificial leather, polyurethane, elastomer and polyurethane sole glue. polyurethane elastomer are widely used to manufacture elastic sole, auto solid fire, friction conveying belt, etc.

Industrial Use of 1,4-Butanediol

1,4-Butanediol is used industrially as a solvent and in the manufacture of some types of plastics, elastic fibers and polyurethanes. In organic chemistry. In the presence of phosphoric acid and high temperature, it dehydrates to the important solvent tetrahydrofuran. At about 200 °C in the presence of soluble ruthenium catalysts, the diol undergoes dehydrogenation to form butyrolactone.

World production of 1,4-butanediol was claimed to be about one million metric tons per year and market price is about 2,000 USD (1,600 EUR) per ton (2005). In 2013, worldwide production was claimed to be billions of lbs (consistent with approximately one million metric tons).

How does it work?

Butanediol is converted to gamma hydroxybutyrate (GHB) in the body. GHB slows down the brain, which can cause loss of consciousness along with dangerous slowing of breathing and other vital functions. It also stimulates growth hormone secretion.

FAQ

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General Comments

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Our company has independent import and export authority,also has the certificate of importing and exporting pharmaceutical materials. At the same time we are developed manufactures with mass stock.

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