Diethylene glycol Chemical Properties

Melting point

−10 °C(lit.)

Boiling point

245 °C(lit.)

density

1.118 g/mL at 25 °C(lit.)

vapor density

2.14 (vs air)

vapor pressure

0.01 mm Hg ( 20 °C)

refractive index

n20/D1.447(lit.)

Fp

143 °C

storage temp.

Keep in dark place,Sealed in dry,Room Temperature

solubility

H2O: 50 mg/mL at 20 °C, clear, colorless

form

Oily Liquid

pka

14.03±0.10(Predicted)

color

colorless

Relative polarity

0.713

PH

5.5-7.0 (25℃, 50mg/mL in H2O)

Odor

Practically odorless.

explosive limit

2-12.3%

Water Solubility

SOLUBLE

FreezingPoint

-10.45℃

Sensitive

Hygroscopic

λmax

λ: 260 nm Amax: ≤0.02λ: 280 nm Amax: ≤0.01

Merck

14,3119

BRN

969209

Dielectric constant

31.7（20℃）

Stability:

Hygroscopic

InChIKey

MTHSVFCYNBDYFN-UHFFFAOYSA-N

LogP

-1.98 at 20℃

CAS DataBase Reference

111-46-6(CAS DataBase Reference)

NIST Chemistry Reference

Ethanol, 2,2'-oxybis-(111-46-6)

EPA Substance Registry System

Diethylene glycol (111-46-6)

Safety Information

Hazard Codes

Xn,T,Xi

Risk Statements

22

Safety Statements

46

WGK Germany

1

RTECS

ID5950000

F

10

Autoignition Temperature

442 °F

Hazard Note

Toxic/Irritant

TSCA

Yes

HS Code

29094100

Hazardous Substances Data

111-46-6(Hazardous Substances Data)

Toxicity

LD50 in rats, guinea pigs (g/kg): 20.76, 13.21 orally (Smyth)