1 4 Dioxine

1 4 Dioxine14-Dioxane often just called dioxane is a clear colorless heterocyclic organic compound which is a liquid at room temperature and pressure.14-Dioxane is primarily used in solvent applications for the manufacturing sector; however it is also found in fumigants and automotive coolant. Additionally the chemical is also used as a foaming agent and appears as an accidental byproduct of the ethoxylation Molecular formula C4H8O2Molar mass 88.11 g/molDensity 1.033 g/cm3 PRODUCT USES Process in cosmetics manufacturing. It may contaminate cosmetics and personal care products such as deodorants shampoos toothpastes and mouthwashes.It is also commonly used as an internal standard for calibrating chemical shifts in NMR as tetramethylsilane (the compound to which all chemical shifts are ultimately referenced) is not soluble in D2O.1 4 Dioxine [Cas No. 290-67-5] Dioxin is a heterocyclic organic antiaromatic compound with the chemical formula C4H4O2. There are two isomers 12-dioxin (or o-dioxin) and 14-dioxin (or p-dioxin). Their chemical structures are shown below. 12-Dioxin is very unstable due to its peroxide-like characteristics. The known properties of 14-dioxin are listed in the infobox to the right. The term "dioxin" is most commonly used for a family of derivatives of dioxin known as polychlorinated dibenzodioxins (PCDDs). Molecular formula C4H8O2 Molar mass 88.11 g/mol Density 1.033 g/cm3 Melting point  11.8oC Boiling point   101.1oC Normal 0 MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:10.0pt; font-family:"Times New Roman";} Product Name: 14 dioxaneCAS No.           : 123-91-1Molecular Structure:Test      SpecificationsDescription       Colourless LiquidPurity (by GC) NLT 99.00%Water (by KF)             NMT 0.1%pH by Paper     NeutralPeroxide Content          NMT 50 ppm 14-Dioxane often just called dioxane is a clear colorless heterocyclic organic compound which is a liquid at room temperature and pressure. It has the molecular formula C4H8O2 and a boiling point of 101 C. It is commonly used as an aprotic solvent. 14-Dioxane has a weak smell similar to that of diethyl ether. There are also two other less common isomeric compounds 12-dioxane and 13-dioxane. 12-Dioxane is a peroxide which forms naturally in old bottles of tetrahydrofuran. 14-Dioxane is classified as an ether with each of its two oxygen atoms forming an ether functional group. It is more polar than diethyl ether which also has four carbons but only one ether functional group. Diethyl ether is rather insoluble in water but 14-dioxane is miscible with water and is hygroscopic. Its higher polarity and slightly higher molecular mass also gives it a substantially higher boiling point than diethyl ether. When used as a solvent for a Grignard reaction Dioxane favorably affects the formation of magnesium halide salts in the Schlenk equilibrium.Uses14-Dioxane is primarily used in solvent applications for the manufacturing sector; however it is also found in fumigants and automotive coolant. Additionally the chemical is also used as a foaming agent and appears as an accidental byproduct of the ethoxylation [1]  process in cosmetics manufacturing. It may contaminate cosmetics and personal care products such as deodorants shampoos toothpastes and mouthwashes. [2] It is also commonly used as an internal standard for calibrating chemical shifts in NMR as tetramethylsilane (the compound to which all chemical shifts are ultimately referenced) is not soluble in D2O.