1, 4-dioxane, molecular formula C4H8O2, molecular weight 88.11, colorless liquid. It smells a little sweet. The density is 1.0329 and the refractive index is 1.4175. Melting point 11℃. Boiling point 101.1℃. It can be miscible with water and many organic solvents. It is distilled and dehydrated from glycol and concentrated phosphoric acid. It is the solvent of cellulose acetate, resin, vegetable oil, mineral oil, oil soluble dyes and so on. It can also be used in paint, varnish, plasticizer, wetting agent and so on.

I. The use of 14-dioxane:

This product is used as solvent, reaction medium and extractant in the production and scientific research of special fine chemicals such as medicine, cosmetics and spices. In Japan, the product is mainly used as a stabilizer for 1,1, 1-trichloroethane, with an addition of 2.5-4%; Secondly, it is widely used as the reaction solvent of polyurethane synthetic leather and amino acid synthetic leather. The product solubility is strong, close to dimethylformamide, stronger than tetrahydrofuran. 14-dioxane ring manufacturer below to introduce 1, 4-dioxane ring has the following important uses:

1. Form complexes with sulfur trioxide, which can be used as sulfates in the synthesis of many compounds;

2, used in medicine, pesticide extraction, dewaxing of petroleum products;

3, used as dye dispersant, wood colorant dispersant and oil soluble dye solvent;

4, used as a high purity metal surface treatment agent, irritation to the skin, lung, mucous membranes. Severe poisoning can damage the liver and kidneys.