ETHYLENE GLYCOL

CAS Number: 107-21-1

Also known as: 1,2-DIHYDROXY ETHANE, DIHYDROXYETHANE, DOWTHERM SRI (T), 1,2-Dihydroxyethane, 1,2-Ethanediol, Ethylene Alcohol, Ethylene Dihydrate, Glycol, Glycol Alcohol, Monoethylene Glycol, 2-Hydroxyethanol, Eg, Ethylene Glycol

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

CAS number	107-21-1
Formula	C₂H₆O₂

Physical chemical data

Physical State (20°C)

Liquid

Physical State (25°C)

Liquid

Density (kg/m3)

1115 [Kg/m³] at a temperature of 20°C

Kinematic viscosity (cSt)

18.9 [cSt] at a temperature of 20°C

15.05 [cSt] at a temperature of 25°C

Molar mass (g/mol)

62.07

Density of gas (kg/m3)

2.761

Solubility (g/L)

1110000 [g/L] at a temperature of 20°C and salinity of 0‰

Boiling Point (°C)

197.8

Melting Point (°C)

-16

Critical temperature (°C)

720

Critical pressure (Pa)

8000000

Surface tension (mN/m)

48.4 [mN/m] at a temperature of 20°C

47.99 [mN/m] at a temperature of 25°C

Vapour Pressure (Pa)

2266 [Pa] at a temperature of 20°C

10 [Pa] at a temperature of 25°C

Ignition Temperature (°C)

410

Flash Point (°C)

111

Flash Point (Pensky-Martens closed cup) (°C)

111

Flash Point (Cleveland open cup) (°C)

115

Lower explosivity limit (LEL) (volume %)

3.2

Upper explosivity limit (UEL) (volume %)

15.3

Vapor enthalpy (J/Kg)

813598 [J/Kg] at a temperature of 198°C

1029482 [J/Kg] at a temperature of 25°C

Combus enthalpy (J/Kg)

17000000

Specific heat capacity (J/(Kg·K))

2394.1

Combustion efficiency (%)

Mass flow rate of the combustion surface (Kg/(m²·s))

0.02

Rad fraction (%)

Henry's constant (mol/(m³·Pa))

Behaviour at sea

Log kow	-1.93
Log koc	0.6
Aqueous photolysis (Half-life)	Not photolysable
Biodegradation in estuary environment (Half-life) (days)	Not hydrolysable
Biodegradation in marine environment (Half-life) (days)	50
Bioconcentration factor (BCF)	10

Additional data

Colour

colourless

Odour

odourless

MARPOL pollution category

Category	Description
Y	Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations, are deemed to present a hazard to either marine resources or human health or cause harm to amenities or other legitimate uses of the sea and therefore justify a limitation on the quality and quantity of the discharge into the marine environment.

Transportation data

Cargo group	20
State	liquid
Temperature (°C)	ambient
Pressure (Pa)	ambient
Family name	alcohols, glycols

Reactivity data

Abilities	Miscible in water.
Acid(s)	Yes
Base(s)	Yes
Oxidizing agents	Yes
Organic substance	Yes
Notable risks	Reacts with oxidizers.

GESAMP Hazard profile

Bioaccumulation in logPow (A1A)	0 - e <1, or > ca.7, or Mol. Wt. > 1000
Bioaccumulation (A1)	0 - No potential to bioaccumulate
Biodegradation (A2)	R - Readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l))	0 - Non-toxic
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg))	1 - Slight
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg))	1 - Slight
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l))	1 - Slight
Skin irritation/corrosivity (D1)	0 - Not irritating
Eye irritation/corrosivity (D2)	0 - Not irritating
Interference with coastal amenities (E2)	D - Dissolver
Effects on wildlife and bottom habitats (E3)	1 - Is a floater; and/or is slightly acutely toxic; and/or is mildly irritant to skin and/or eyes

Human toxicity threshold

Hazard statements

Health

H302	Harmful if swallowed.
H373	May cause damage to organs through prolonged or repeated exposure, exposure cause the hazard:

TLV-TWA

100

TEEL-1 (mg/m3)

10 ppm

TEEL-2 (mg/m3)

40 ppm

TEEL-3 (mg/m3)

60 ppm

Ecotoxicity

Lowest median lethal concentration (LC50) on algae (mg/l)

10000

Lowest median lethal concentration (LC50) on crustacean (mg/l)

20000

Lowest median lethal concentration (LC50) on fishes (mg/l)

56484

Highest no observed effect concentration (NOEC) on algae (mg/l)

5740

Highest no observed effect concentration (NOEC) on crustacean (mg/l)

3000

Assessment factor (AF)

1000 on the Short term

1000 on the Long term

Predicted No Effect Concentration (PNEC) (µg/l)

10000 [µg/l] on the Short term

3000 [µg/l] on the Long term

Incident reports

No incident reports available

Emergency Response Guidebook

No guides available

At sea emergency guide