Diethylene Glycol - Materials / Alfa Chemistry

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Diethylene Glycol

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Catalog Number

ACMA00017342

Product Name

Diethylene Glycol

Category

Polymers; Polyester Resins

Description

Diethylene glycol appears as a colorless liquid. Denser than water. Contact may slightly irritate skin, eyes and mucous membranes. May be slightly toxic by ingestion. Used to make other chemicals.;Liquid; PelletsLargeCrystals;ODOURLESS COLOURLESS VISCOUS HYGROSCOPIC LIQUID.

IUPAC Name

2-(2-hydroxyethoxy)ethanol

Molecular Weight

106.12g/mol

Molecular Formula

C4H10O3;(CH2CH₂OH)2O;C4H10O3;C4H10O3

Canonical SMILES

C(COCCO)O

InChI

InChI=1S/C4H10O3/c5-1-3-7-4-2-6/h5-6H,1-4H2

InChI Key

MTHSVFCYNBDYFN-UHFFFAOYSA-N

Boiling Point

473 °F at 760 mm Hg (NTP, 1992);245.8 °C;245.8 °C;245 °C

Melting Point

14 °F (NTP, 1992);-10.4 °C;-10.4 °C;-6.5 °C

Flash Point

290 °F (NTP, 1992);280 to 290 °F (open cup) /from table/;124 °C c.c.

Density

1.118 at 68 °F (USCG, 1999);1.1197 g/cu cm at 15 °C;Relative density (water = 1): 1.12

Solubility

greater than or equal to 100 mg/mL at 68° F (NTP, 1992);9.42 M;Immiscible with toluene, petroleum, linseed or castor oil;Soluble in chloroform;Soluble in ethanol, ethyl ether;Miscible with alcohol, ether, acetone, ethylene glycol; practically insoluble in benzene, carbon tetrachloride;Miscible with water /1X10+6 mg/L/ at 25 °C (est);Solubility in water: miscible

Application

Diethylene glycol serves a versatile role across various industries due to its unique chemical properties. As a solvent, it is integral to numerous applications, including natural gas dehydration, where it efficiently removes moisture, hydrogen sulfide, and carbon dioxide. Its low volatility and solvent power make it valuable in the production of printing inks, textile dyes, and as a conditioning and lubricating agent in the textile industry, enhancing the quality of wool, rayon, and cotton. Additionally, diethylene glycol is a vital component in the formulation of brake fluids, antifreeze solutions, and certain resins and surfactants. Its hygroscopic nature contributes significantly to its function as a softening agent in products like tobacco, paper, and synthetic sponges. Given its breadth of applications, diethylene glycol is a critical ingredient in many commercial and industrial products.

Color/Form

Colorless syrupy liquid

Complexity

26.1

Covalently-Bonded Unit Count

EC Number

203-872-2

Exact Mass

106.062994g/mol

Formal Charge

Heat of Vaporization

270 BTU/LB= 150 CAL/G= 6.28X10+5 JOULES/KG

Heavy Atom Count

ICSC Number

0619

Log P

log Kow = -1.47 (est);-1.47

MeSH Entry Terms

diethylene glycol

Monoisotopic Mass

106.062994g/mol

NSC Number

36391;35746;35745;35744;32856;32855

Odor

Practically odorless

Other Experimental

Solidifies at -10.45 °C (when pure); hygroscopic;Percent in saturated air: 0.0013 (20 °C);VP: 1 mm Hg at 91.8 °C;Liquid molar volume = 0.095268 cu m/kmol;Ideal gas heat of formation = -5.712E+8 J/kmol;Henry's Law constant = 2.0X10-9 atm-cu m/mol at 25 °C (est);Hydroxyl radical reaction rate constant = 3.0X10-11 cu cm/molec-sec at 25 °C

Refractive Index

Index of refraction = 1.4472 at 20 °C/D

Rotatable Bond Count

RTECS Number

ID5950000

Stability

Low volatility

UNII

61BR964293

Vapor Density

3.66 (NTP, 1992) (Relative to Air);3.66 (Air = 1);Relative vapor density (air = 1): 3.7

Vapor Pressure