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Improving Member States preparedness to face an HNS pollution of the Marine System (HNS-MS)

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Bis(2-Ethylhexyl) Adipate

Description Top

CAS number 103-23-1
Chemical formula C22H42O4
Standard European Behaviour Classification (SEBC) Floater (F)
GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
2 R 4 2 0 0 0 1 1 R NI Fp 3

Marine pollution Classification (MARPOL Annex II)
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.

Alternate names for this chemical
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(2-Ethylhexyl)Adipate
Bis(Ethyl-2-Hexyl) Adipate
Doa
Bis(2-Ethylhexyl) Adipate
Adipate De Di-2-Ethylhexyle


Physico-chemical properties Top

Chemical formula C22H42O4
Molar mass 370.58 [g/mol]
State Liquid at 25°C and 1 atm
Fusion temperature -67.8 [°C]
Boiling temperature 417 [°C]
Density
930 [Kg/m³] at a temperature of 20°C
Surface tension
30.2 [mN/m] at a temperature of 20°C
Kinematic viscosity
14.2 [cSt] at a temperature of 20°C
Hydrosolubility
1 [mg/l] at a temperature of 20°C and salinity of 0‰
Vapour pressure
0 [Pa] at a temperature of 20°C
Vapour density 7.1
Flash point (Pensky-Martens closed cup) 196 [°C]
Combustion enthalpy 33600000 [J/Kg]
Combustion efficiency 96 [%]
Mass flow rate of the combustion surface 0.02 [Kg/(m²·s)]
Radiative fraction 23 [%]
Henry's constant 0.04 [mol/(m³·Pa)]


Behaviour Top

Log Kow 8.1
Log Koc 5.78
Hydrolysis (Half-life) 1 day
Biodegradation in estuary environment (Half-life) 10 days
Biodegradation in marine environment (Half-life) 10 days
Standard European Behaviour Classification (SEBC) Floater (F)
Bioconcentration factor (BCF) 27


Ecotoxicity Top

Lowest median lethal concentration (LC50) on algae > 1.4 [mg/l]
Lowest median lethal concentration (LC50) on crustacean > 0.23 [mg/l]
Lowest median lethal concentration (LC50) on fishes > 0.78 [mg/l]
Highest no observed effect concentration (NOEC) on algae > 0.78 [mg/l]
Highest no observed effect concentration (NOEC) on crustacean 0.035 [mg/l]
Assessment factor (AF)
100 on the short-term
100 on the long-term
Predicted No Effect Concentration (PNEC)
2.3 [µg/l] on the short-term
0.35 [µg/l] on the long-term


GESAMP Top

GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
2 R 4 2 0 0 0 1 1 R NI Fp 3

A1: Bioaccumulation
Rating Description
2 Low potential to bioaccumulate
A1a:
Rating Description Criteria [mg/l]
0 No potential to bioaccumulate Log Kow < 1
A1b:
Rating Description Criteria
2 Low potential to bioaccumulate 10 ≤ BCF < 100
A2: Biodegradation
Rating Description
R Readily biodegradable
B1: Acute aquatic toxicity
Rating Description Criteria [mg/l]
4 Highly toxic 0.1 < LC/EC/IC50 ≤ 1
B2: Chronic aquatic toxicity
Rating Description Criteria [mg/l]
2 Moderate 0.01 < NOEC ≤ 0.1
C1: Acute oral toxicity
Rating Description Criteria [mg/Kg]
0 Negligible AOTE > 2000
C2: Acute dermal toxicity (skin contact)
Rating Description Criteria [mg/Kg]
0 Negligible ADTE > 2000
C3: Acute inhalation toxicity
Rating Description Criteria [mg/l] (4 hours exposure)
0 Negligible AITE > 20
D1: Skin irritation or corrosion
Rating Description Sign GHS category
1 Mildly irritating Mild erythema with or Mild Irritant Category 3
D2: Eye irritation
Rating Description Sign GHS category
1 Mildly irritating Mild conjunctival hype Irritant Category 2B
D3: Long-term health effects
Notation Hazard endpoint Description GHS category
R Reprotoxicity Cause adverse effects on reproductive ability or capacity, or on the development of offspring Category 1 for Reproductive Toxicants
E1: Tainting of seafood
Rating Description
NI No Information
E2: Behaviour of chemicals in the marine environment
Rating Description
Fp Persistent floater
E3: Interference with the use of coastal amenities
Rating Interference Description Interpretation Warning
3 Highly objectionable 1 is highly acutely toxic; and/or 2 is severely irritant or corrosive to skin or eyes; and/or 3 is carcinogenic, mutagenic or reprotoxic; and/or 4 is a floater or persistent floater with associated health effects 1 C1 and/or C2 and/or C3 = 4; and/or 2 D1 or D2 = 3, 3A, 3B, or 3C; and/or 3 D3 contains C, M or R; and/or 4 E2 = F or Fp and D3 contains Ss, Sr, T, A, N, or I Warning issued leading to the closure of amenities

  About the project

HNS-MS is a decision-support tool that Belgian and French maritime authorities as well as coastguard stations can activate in order to forecast the drift, fate and behavior of acute marine pollution by Harmful Noxious Substances (HNS) accidentally released in the marine system.

  Contact us

Web: https://www.hns-ms.eu/

Tel : +32 (0)2 773-2102

Mail : hns-ms@naturalsciences.be

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EU flagHNS-MS has been funded by DG-ECHO under agreement ECHO/SUB/2014/693705 and runs from 1 January 2015 to 31 March 2017.