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

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Propylbenzene

Description Top

CAS number 103-65-1
UN number 2364
Chemical formula C9H12
Standard European Behaviour Classification (SEBC) Floater that evaporates (FE)
GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
NI NI 3 NI NI NI NI NI NI T FE NI

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
Isocumene
Propylbenzene


Physico-chemical properties Top

Chemical formula C9H12
Molar mass 120.191 [g/mol]
Critical molar volume 0.00044 [m³/mol]
State Liquid at 25°C and 1 atm
Fusion temperature -99.6 [°C]
Boiling temperature 159.24 [°C]
Critical temperature 638.35 [°C]
Density
859.3 [Kg/m³] at a temperature of 25°C
Hydrosolubility
60 [mg/l] at a temperature of 15°C and salinity of 0‰
55 [mg/l] at a temperature of 25°C and salinity of 0‰
Vapour pressure
333 [Pa] at a temperature of 20°C
455 [Pa] at a temperature of 25°C
Critical pressure 3200000 [Pa]
Vapour density 4.14
Flash point (Pensky-Martens closed cup) 30 [°C]
Lower explosivity limit (LEL) 0.8 [%]
Upper explosivity limit (UEL) 6 [%]
Vaporization enthalpy
384554 [J/Kg] at a temperature of 25°C
Specific heat capacity 1786 [J/(Kg·K)]
Henry's constant 1064 [mol/(m³·Pa)]


Behaviour Top

Log Kow 3.6
Log Koc 2.91
Hydrolysis (Half-life) Not hydrolysable
Standard European Behaviour Classification (SEBC) Floater that evaporates (FE)
Bioconcentration factor (BCF) 138


Ecotoxicity Top

Lowest median lethal concentration (LC50) on fishes 1.55 [mg/l]


GESAMP Top

GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
NI NI 3 NI NI NI NI NI NI T FE NI

A1: Bioaccumulation
Rating Description
NI No Information
A1a:
Rating Description
NI No Information
A1b:
Rating Description
NI No Information
A2: Biodegradation
Rating Description
NI No Information
B1: Acute aquatic toxicity
Rating Description Criteria [mg/l]
3 Moderately toxic 1 < LC/EC/IC50 ≤ 10
B2: Chronic aquatic toxicity
Rating Description
NI No Information
C1: Acute oral toxicity
Rating Description
NI No Information
C2: Acute dermal toxicity (skin contact)
Rating Description
NI No Information
C3: Acute inhalation toxicity
Rating Description
NI No Information
D1: Skin irritation or corrosion
Rating Description
NI No Information
D2: Eye irritation
Rating Description
NI No Information
D3: Long-term health effects
Notation Hazard endpoint Description GHS category
No Information
E1: Tainting of seafood
Rating Description
T Substances are considered to cause tainting if a statistically significant off-flavour or smell can be detected following exposure of the fish for 24h to 1mg/l or less.
E2: Behaviour of chemicals in the marine environment
Rating Description
FE Floater that evaporates
E3: Interference with the use of coastal amenities
Rating Description
NI No Information

  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

Copyright © 2015–2019 HNS-MS Consortium

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.