Dioxane is an organic compound, also known as dioxane or 1,4-dioxane, with the molecular formula C4H8O2 and a molecular weight of 88.11. It is a colorless liquid with a slight odor. It is classified as slightly toxic, irritating to the skin, eyes, and respiratory system, and may cause damage to the liver, kidneys, and nervous system. Acute poisoning can lead to death. It is primarily used as a solvent, emulsifier, detergent, etc.
Chinese Name: 1,4-Dioxane
English Name: 1,4-Dioxane
Other Names: Dioxane; Dioxan; 1,4-Dioxan
Chemical Formula: C4H8O2
Molecular Weight: 88.11
CAS Registry Number: 123-91-1; 28347-88-8; 28347-91-3; 39449-24-6; 54841-74-6
EINECS Registry Number: 204-661-8
Melting Point: 12 °C
Boiling Point: 101 °C
Density: 1.033 g/cm3
Flash Point: 12 °C
Applications: Used as a solvent for cellulose acetate, resins, vegetable oils, mineral oils, soluble dyes, etc.
Main Uses:
This product is used as a solvent, reaction medium, and extraction agent in the manufacturing of pharmaceuticals, cosmetics, fragrances, and other specialty fine chemicals, as well as in scientific research. In Japan, it is mainly used as a stabilizer for 1,1,1-trichloroethane, with an addition amount of 2.5-4%;
Additionally, it is widely used as a reaction solvent in the synthesis of polyurethane synthetic leather, amino acid synthetic leather, etc. Its solvency is strong, similar to dimethylformamide and stronger than tetrahydrofuran.
The following uses of dioxane are noteworthy:
(1) It forms a complex with sulfur trioxide and can be used as a sulfating agent in the synthesis of many compounds;
(2) It is used in the extraction of pharmaceuticals and pesticides, as well as in the dewaxing of petroleum products;
(3) It serves as a dispersant for dyes, a dispersant for wood colorants, and a solvent for oil-soluble dyes;
(4) It is used as a high-purity metal surface treatment agent, etc.