Highest-purity solvent and solubilizer for solubility and bioavailability enhancement for oral and alternative routes.

Names & synonyms

USP NF Name

Diethylene glycol monoethyl ether

EP Name

Diethylene glycol monoethyl ether

UNII Code (FDA)

A1A1I8X02B

Preferred Substance Name (FDA)

DIETHYLENE GLYCOL MONOETHYL ETHER

Handbook of Pharmaceutical Excipients

Diethylene glycol monoethyl ether

Chemical description

Consists of highly purified diethylene glycol monoethyl ether

Key characteristics

Product form

Liquid

Viscosity (mPa.s)

4.8 (20°C)

HLB

Not applicable

Main functionalities

degee solubility data

Solvent and powerful solubilizer. Cosolvent in surfactant oral formulations—LFCS Type III (SMEDDS) and Type IV (micellar solutions). Safety of use and low irritancy inferred by numerous toxicological studies and precedence of use in approved pharmaceutical products.

Main formulation technologies

Self-emulsifying lipid formulation for oral applications. Soft/hard capsule filling.

Associated content

Excipients for solubility and bioavailability enhancement

Poor solubility, poor permeability, and pre-systemic elimination are factors that…

Lipid-based formulations

Lipid-based formulations are a powerful tool to increase oral bioavailability of…