DI-(2-ETHYLHEXYL)ADIPATE

CAS Number: 103-23-1

Also known as: ADIPATE DE DI-(2-ETHYLHEXYL), ADIPIC ACID, BIS(2-ETHYLHEXYL)ESTER, BIS(2-ETHYLHEXYL)ADIPATE, Adipic Acid, Bis(2-Ethylhexyl) Ester, Bis(2-Ethylhexyl) Hexanedioate, Di(2-Ethylhexyl)Adipate, Di-2-Ethylhexyl Adipate, Dioctyl Adipate, Hexanedioic Acid, Bis(2-Ethylhexyl) Ester, Hexanedioic Acid, Dioctyl Ester, Deha, Adipic Acid, Di-2-Ethylhexyl Ester, Bis(Ethyl-2-Hexyl) Adipate, Doa, Bis(2-Ethylhexyl) Adipate, Adipate De Di-2-Ethylhexyle

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List

Description

CAS number	103-23-1
Formula	C₂₂H₄₂O₄

Physical chemical data

Physical State (20°C)

Liquid

Physical State (25°C)

Liquid

Density (kg/m3)

923 [Kg/m³] at a temperature of 20°C

Kinematic viscosity (cSt)

14.2 [cSt] at a temperature of 20°C

Molar mass (g/mol)

370.58

Density of gas (kg/m3)

16.51

Solubility (g/L)

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

Boiling Point (°C)

417

Melting Point (°C)

-67.8

Surface tension (mN/m)

30.2 [mN/m] at a temperature of 20°C

Flash Point (°C)

204

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

196

Combus enthalpy (J/Kg)

33600000

Combustion efficiency (%)

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

0.02

Rad fraction (%)

Henry's constant (mol/(m³·Pa))

0.04

Behaviour at sea

Log kow	8.1
Log koc	5.78
Biodegradation in estuary environment (Half-life) (days)	1
Biodegradation in marine environment (Half-life) (days)	10
Bioconcentration factor (BCF)	27

Additional data

Colour

clear to straw coloured

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.

Standard behavior classification

F/FE/E

Transportation data

Cargo group	34
State	liquid
Temperature (°C)	ambient
Family name	esters

Reactivity data

Water	No
Acid(s)	Yes
Base(s)	No
Metal(s) and alloys	No
Oxidizing agents	Yes

GESAMP Hazard profile

Bioaccumulation in logPow (A1A)	0 - e <1, or > ca.7, or Mol. Wt. > 1000
Bioaccumulation in BCF (A1B)	2 - ≥10 and <100
Bioaccumulation (A1)	2 - Low potential to bioaccumulate
Biodegradation (A2)	R - Readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l))	4 - Highly toxic
Chronic aquatic toxicity (B2) (NOEC (mg/l))	2 - Moderate
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg))	0 - Negligible
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg))	0 - Negligible
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l))	0 - Negligible
Skin irritation/corrosivity (D1)	2 - Irritating
Eye irritation/corrosivity (D2)	1 - Mildly irritating
Interference with coastal amenities (E2)	Fp - Persistent slick forming substance
Effects on wildlife and bottom habitats (E3)	3 - Is highly acutely toxic; and/or is severely irritant or corrosive to skin or eyes; and/or is carcinogenic, mutagenic or reprotoxic; and/or is a floater or persistent floater with associated health effects

Human toxicity threshold

Ecotoxicity

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

> 1.4

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

> 0.23

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

> 0.78

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

> 0.78

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

0.035

Assessment factor (AF)

100 on the Short term

100 on the Long term

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

2.3 [µg/l] on the Short term

0.35 [µg/l] on the Long term

Incident reports

No incident reports available

Emergency Response Guidebook

No guides available

At sea emergency guide