1,4-二噁烷（英語： 1,4-dioxane ），透明無色的单环雜環 有機化合物，在室溫下為液體，有輕微類似乙醚的清香氣味，是常用的非质子溶剂。 分子式為 C 4 H 8 O 2 ，沸點為 101 °C，可与水和常见 有机溶剂 混溶，有 潮解性 。

1,4-Dioxane (/ d aɪ ˈ ɒ k s eɪ n /) is a heterocyclic organic compound, classified as an ether. It is a colorless liquid with a faint sweet odor similar to that of diethyl ether. The compound is often called simply dioxane because the other dioxane isomers (1,2-and 1,3-) are rarely encountered.

1,4-二氧六环，又名1,4-二氧己环，乙二醚，是一种有机化合物，化学式为c4h8o2。2017年10月27日，世界卫生组织国际癌症研究机构公布的致癌物清单初步整理参考，1,4-二氧己环在2b类致癌物清单中。

1,4-Dioxane is a clear liquid that easily dissolves in water. It is used primarily as a solvent in the manufacture of chemicals and as a laboratory reagent; 1,4-dioxane also has various other uses that take advantage of its solvent properties. 1,4-Dioxane is a trace contaminant of some chemicals used in cosmetics, detergents, and shampoos.

Nov 13, 2024 · EPA evaluated 1,4-dioxane under the amended Toxic Substances Control Act (TSCA) and completed the final risk evaluation in December 2020. EPA released a final supplement to the risk evaluation in November 2024.

1,4-Dioxane is a trace contaminant of some chemicals used in cosmetics, detergents, and shampoos. Manufacturers now reduce 1,4-dioxane from these chemicals to low levels before these chemicals are made into products used in the home.

中文名:1,4-二氧六环,英文名:1,4-Dioxane,CAS:123-91-1,用作醋酸纤维素、树脂、植物油、矿物油、溶性染料等的溶剂，用于制喷漆、清漆、增塑剂、润滑剂等.化学式:C4H8O2,分子量:88.10512,熔点:12℃,沸点:131.7°C at 760 mmHg,闪点:22.3°C,水溶性:SOLUBLE,蒸汽 …

1,4-Dioxane anhydrous, 99.8%, contains <=25 ppm BHT as stabilizer; CAS Number: 123-91-1; EC Number: 204-661-8; Synonyms: Diethylene oxide,Dioxane at Sigma-Aldrich

May 2, 2024 · Dioxane, or 1,4-dioxane, is a heterocyclic diether with the formula C4H8O2. It is a flammable, colorless liquid with a faint, sweet odor similar to diethyl ether. It is known by other names such as p-dioxane, diethylene oxide, diethylene dioxide, diethylene ether, 1,4-dioxacyclohexane, dioxyethylene ether, and dioxan.

Dec 28, 2020 · NIOSH: Pocket Guide to Chemical Hazards - Dioxane Literature References ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - 1,4-Dioxane. See annual publication for most recent information.