A lightweight solvent and thickener that helps blend formula ingredients together and improve product texture for smooth application.
Solubility greater than or equal to 100 mg/mL at 70 °F (NTP, 1992)
Formula
C3H8O2
Mol. Weight
76.09
CAS #
109-86-4
Form
Liquid
State
Ethylene glycol monomethyl ether appears as a clear colorless liquid. Flash point of 110 °F. Less dense than water. Vapors are heavier than air.
See origin →
Functions
Solvent
Dissolves other ingredients so they distribute evenly in the formula. Often the invisible "base" everything else is mixed into.
Thickener
Dissolves Ingredients
Controls Viscosity
Dissolves other ingredients
Controls product thickness
Traditional Use
A synthetic solvent developed in the early 20th century for industrial and cosmetic applications. Used in cosmetics to dissolve and stabilize other ingredients, particularly in hair dyes and color cosmetics.