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1,4-Dioxane, often called dioxane because the 1,2 and 1,3 isomers of
dioxane are rare, is a heterocyclic organic compound. It is a colorless
liquid with a faint sweet odor similar to that of diethyl ether. It is
classified as an ether.
a volatile organic compound that has a moderate vapor pressure and has a
specific gravity of 1.033. It is very mobile and only weakly retarded by
sorption during transport.
colorless liquid is mainly used as a stabilizer for the solvent
trichloroethane. It is an occasionally used solvent for a variety of
practical applications as well as in the laboratory.
Dioxane is produced by the acid-catalyzed dehydration of diethylene
glycol, which in turn arises from the hydrolysis of ethylene oxide.
Dioxane is primarily used as a stabilizer for 1,1,1-trichloroethane for
storage and transport in aluminium containers.
1,4-Dioxane is a cyclic ether, and is also known as p-dioxane,
diethylene ether, diethylene dioxide and glycol ethylene ether. This
compound is highly soluble in water, owing to its molecular structure.
flammable and is available in reagent technical ( more than 99.9% pure),
spectrophotometric and scintillation grades.
used in various manufacturing process and is included in a variety of
consumer and commercial products.
Dioxane is used as a reaction medium solvent in organic chemical
manufacture, as a wetting agent and dispersing agent in textile
processing, as a liquid scintillation counting medium, as a reagent for
laboratory research and testing, in the preparation of histological
sections for microscopic examination and in stain and printing
include paper manufacturing (solvent), paint and varnish remover,
deodorants, shampoos , soaps and cosmetics, in furnigants and
pesticides, in textile manufacturing, in pharmaceuticals as a purifying
agent, and as an antifreeze additive.
concentration of 1,4-Dioxane is measure by relating the MS response of
the quantitation ion to the response of the deuterated surrogate
standard quantitation ion.
dioxane is also produced as a by-product during the manufacture of
a recalcitrant molecule to biodegrade under conventional biotreatment
1,4-Dioxane is an EPA priority pollutant often found in contaminated
ground waters and industrial effluents. The common techniques used for
water purification are not applicable to 1,4-dioxane and the currently
used method (distillation) is laborious and expensive.
a byproduct of the hydrolysis of ethylene oxide and can be found in
approximately 46% of all personal care products like lotions, shampoos
and liquid soaps.
Testing for 1,4-Dioxane at low levels can be problematic due to its
affinity for water, decreasing its volatility and purge efficiency by
traditional purge and trap methods.
Chemical characteristics of 1,4-dioxane such as high mobility, enable it
to migrate much further than the solvent from which it likely
catalyzed conversion of diethylene glycol to 1,4-dioxane undertaken over
zeolites, ZSM-5,ZSM-48 and Zeolite beta is characterized by high
Dioxane is an important industrial solvent for cellulose esters and
ether, and other oils and resins. It can be produced from the less
valuable reactant, diethyleneglycol; diethylene is a byproduct of
ethylene glycol synthesis.
Dehydrating polyethylene glycol to 1,4-dioxane using a solid cation
exchange resin as the dehydration catalyst.
Process for destroying dioxane in a water vapor stream includes
combusting the stream to decompose dioxane contained therein. The
process is particularly useful for removal of dioxane from byproducts
streams which result during the production of polyester.
bromine chloride complex of p-dioxane has been discovered which is
useful as a solid source of bromine chloride.
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