Dimethoxymethane CAS 109-87-5

【Chemical Name】 Dimethoxymethane

【Synonym】 DIMETHOXYMETHANE;DIMETHYLFORMAL;(CH3O)2CH2;2,4-Dioxapentane;Anesthenyl;bis(methoxy)methane;dimethoxy-methan;Dimethylacetal formaldehyde【CAS No】 109-87-5

【Molecular Formula】C3H8O2

【Molecular Weight】 76.09

【Properties】 Melting point-105 °CBoiling point41-43 °C

Density0.860 g/mL at 20 °C(lit.)Vapor density2.6 (vs air)

Vapor pressure6.38 psi ( 20 °C)

【Specification】≥99

【Packing】200kg/drum

【Usage】

Dimethoxymethane is mainly used in the production of anion exchange resins, and also serves as a solvent and special fuel. Its dissolving capacity is stronger than that of ether and acetone. The azeotropic mixture of dimethoxymethane and methanol can dissolve nitrocellulose with high nitrogen content. However, due to the strong anesthetic property of its vapor, it is not suitable for use as a general solvent and is usually used as a solvent for special synthesis. It is also used in perfume manufacturing, production of artificial resins, and as a reaction medium in Grignard reactions and Reppe (synthesis) reactions.

【Introduction】

Dimethoxymethane is a versatile organic solvent and synthetic intermediate, characterized by strong dissolving power and fast volatility, with better dissolving performance than ether and acetone. It is mainly used in the production of ion exchange resins and can also serve as a special solvent for nitrocellulose with high nitrogen content (often used in the form of an azeotrope with methanol). In addition, it is commonly used as a reaction medium in perfume manufacturing, synthetic resin synthesis, and special chemical reactions such as Grignard reaction and Reppe synthesis. It should be noted that its vapor is anesthetic, so it is not recommended to be used as an ordinary solvent and is only limited to special synthesis fields.