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

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Isopropylbenzene

Description Top

CAS number 98-82-8
UN number 1918
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
2 R 3 NI 0 0 0 2 1 NI FE 2

Marine pollution Classification (MARPOL Annex II)
Category Description
Other Substances Substances which have been evaluated and found to fall outside Category X, Y or Z because they are considered to present no harm to marine resources, human health, amenities or other legitimate uses of the sea when discharged into the sea from tank cleaning of deballasting operations. The discharge of bilge or ballast water or other residues or mixtures containing these substances are not subject to any requirements of MARPOL Annex II.

Alternate names for this chemical
Cumene
2-Phenylpropane
Isopropylbenzene


Physico-chemical properties Top

Chemical formula C9H12
Molar mass 120.191 [g/mol]
State Liquid at 25°C and 1 atm
Fusion temperature -96.02 [°C]
Boiling temperature 152.41 [°C]
Critical temperature 631 [°C]
Density
864 [Kg/m³] at a temperature of 25°C
Surface tension
27.69 [mN/m] at a temperature of 25°C
Kinematic viscosity
0.853 [cSt] at a temperature of 25°C
Hydrosolubility
50 [mg/l] at a temperature of 20°C and salinity of 0‰
61.3 [mg/l] at a temperature of 25°C and salinity of 0‰
Vapour pressure
426 [Pa] at a temperature of 20°C
600 [Pa] at a temperature of 25°C
Critical pressure 3209000 [Pa]
Vapour density 4.13
Flash point (Pensky-Martens closed cup) 39 [°C]
Lower explosivity limit (LEL) 0.9 [%]
Upper explosivity limit (UEL) 6.5 [%]
Vaporization enthalpy
375485 [J/Kg] at a temperature of 25°C
Specific heat capacity 1753 [J/(Kg·K)]
Henry's constant 1165 [mol/(m³·Pa)]


Behaviour Top

Log Kow 3.66
Log Koc 2.84
Hydrolysis (Half-life) Not hydrolysable
Aqueous photolysis (Half-life) Not photolysable
Biodegradation in estuary environment (Half-life) Not biodegradable
Biodegradation in marine environment (Half-life) Not biodegradable
Standard European Behaviour Classification (SEBC) Floater that evaporates (FE)
Bioconcentration factor (BCF) 35.5


Ecotoxicity Top

Lowest median lethal concentration (LC50) on crustacean 7.4 [mg/l]
Lowest median lethal concentration (LC50) on fishes 2.7 [mg/l]
Highest no observed effect concentration (NOEC) on algae 0.73 [mg/l]
Highest no observed effect concentration (NOEC) on crustacean 0.00068 [mg/l]
Highest no observed effect concentration (NOEC) on fishes 0.0019 [mg/l]
Predicted No Effect Concentration (PNEC)
22 [µg/l] on the long-term


Hazards Top

Flammable
Harmful
Health Hazard
Environmental Hazard

Danger

Hazards statements
Physical
H226
Flammable liquid and vapour.
Health
H304
May be fatal if swallowed and enters airways.
H335
May cause respiratory irritation.
Environmental
H411
Toxic to aquatic life with long lasting effects.

Precautionary statements
Prevention
P210
Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P280
Wear protective gloves/protective clothing/eye protection/face protection.
Response
P333
If skin irritation or rash occurs:
P301 + P310
IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.


GESAMP Top

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

A1: Bioaccumulation
Rating Description
2 Low potential to bioaccumulate
A1a:
Rating Description Criteria [mg/l]
3 Moderate potential to bioaccumulate 3 ≤ Log Kow < 4
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]
3 Moderately toxic 1 < LC/EC/IC50 ≤ 10
B2: Chronic aquatic toxicity
Rating Description
NI No Information
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
2 Irritating Marked erythema, Obvio Irritant Category 2
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
No Information
E1: Tainting of seafood
Rating Description
NI No Information
E2: Behaviour of chemicals in the marine environment
Rating Description
FE Floater that evaporates
E3: Interference with the use of coastal amenities
Rating Interference Description Interpretation Warning
2 Moderately objectionable 1 is a persistent floater; and/or 2 is moderately acutely toxic; and/or 3 is irritating to skin and/or eyes; and/or 4 has long-term health effects other than carcinogenicity, mutagenicity or reprotoxicity; and/or 5 is highly flammable; and/or 6 is moderately flammable and is a floater with evaporative properties 1 E2 = Fp; and/or 2 C1 and/or C2 and/or C3 = 23; and/or 3 D1 and/or D2 = 2; and/or 4 D3 contains Ss, Sr, T, A, N, or I; and/or 5 Flashpoint <23°C; and/or 6 Flashpoint 23°C to 60°C and E2 = FE or FED Warning issued and possible closure of amenities

GHS Security Information

Flammable
Harmful
Health Hazard
Environmental Hazard

Danger

  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.