Diethylene glycol monoethyl ether DEC

Chinese Name:

Diethylene glycol monoethyl ether; Diethylene glycol ethyl ether;
Ethyl carbitol;

English Name:

2(2-Ethoxyethoxy)ethanol

Alias:

Carbitol;
Diethylene glycol monoethyl ether;
Ethyl digol

Molecular Structure:

Molecular Formula:

C₆H₁₄O₃

Molecular Weight:

134.17

CAS Registry Number:

111-90-0

Physical and Chemical Properties

Melting Point:

-80ºC

Boiling Point:

197ºC

Water Solubility:

MISCIBLE

Refractive Index:

1.426-1.428

Flash Point:

94ºC

Density:

0.999

Description:

Colorless; hygroscopic stable liquid, flammable. Has a moderately pleasant odor, slightly viscous. Melting point -78°C (glassy state) (-25°C), boiling point 202.7°C (195°C), relative density 0.9855 (25/4°C), 0.9898 (20/20°C), refractive index 1.4273 (1.4300), molar heat of vaporization 47.10 kJ/mol, flash point (open cup) 96.1°C, vapor pressure (20°C) <130 Pa, viscosity (20°C) 4.5 mPa·s. Miscible with water, acetone, benzene, chloroform, ethanol, ether, pyridine, etc.

Risk Codes:

R20: Harmful by inhalation.
R36: Irritating to eyes.

Other Information

Applications:

Used as a solvent for gums, lacquers, dyes, etc., also as a diluent and certain chemical intermediates.