Diethylene glycol monoethyl ether

Diethylene glycol monoethyl ether (CAS 111-90-0), also known as ethyl digol, Ethoxy diglycol and DGME, is a slow-evaporating glycol ether solvent.

Where is Diethylene glycol monoethyl ether used?

• Coatings and inks: coalescing agent and coupling solvent
• Waterborne and solvent-based systems: improves film formation and pigment dispersion
• Personal care: solvent and humectant in creams, serums and hair products
• Printing and packaging: supports ink flow and retards drying to prevent nozzle clogging
• Adhesives and sealants: reactive diluent and coupling agent that improves substrate wetting
• It enhances the skin penetration of active ingredients in cosmetic applications.
• Active solvent for cellulose acetate butyrate, nitrocellulose, epoxy resins and other coating materials.
• Flow and gloss promoter in the paint industry.
• Used in the manufacture of brake fluid.
• Used in the formulation of liquid detergents and cleaners to prevent gel formation.

Formulation notes

• Enables a topical 5% dapsone gel formulation for acne treatment.
• Dermatologists treat patients who apply products containing 5-40% diethylene glycol monoethyl ether several times daily.

Regulatory status

• Occupational exposure limit (MAK) for the inhalable fraction: 50 mg/m³.
• Classified as WGK Germany 1.

Storage, packaging and handling

• Store separately from strong oxidants.

Frequently asked questions about Diethylene glycol monoethyl ether

What are the solubility and purity limits of diethylene glycol monoethyl ether?

It is completely miscible with water, alcohols, ethers, ketones, aromatic and aliphatic hydrocarbons and halogenated hydrocarbons. Maximum water content is 0.2% and maximum acidity is 0.05%.

What is the role of diethylene glycol monoethyl ether in aviation?

It is used as an anti-icing or deicing agent, known as FSII (fuel system icing inhibitor), in the aviation industry.

Technical content is compiled and updated by the SoleChem product team from public technical sources; the certificate of analysis (COA) governs product-specific specifications.