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

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N-Hexane

Description Top

CAS number 110-54-3
UN number 1208
Chemical formula C6H14
Standard European Behaviour Classification (SEBC) Evaporator (E)
GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
3 R 4 NI 0 0 0 2 2 AN NI E 2

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
Dipropyl
Hexane
Hexyl Hydride
Normal Hexane
N-Hexane


Physico-chemical properties Top

Chemical formula C6H14
Molar mass 86.18 [g/mol]
State Liquid at 25°C and 1 atm
Fusion temperature -95 [°C]
Boiling temperature 69 [°C]
Density
660 [Kg/m³] at a temperature of 20°C
675.3 [Kg/m³] at a temperature of 5°C
669.6 [Kg/m³] at a temperature of 10°C
661.3 [Kg/m³] at a temperature of 20°C
Surface tension
18.43 [mN/m] at a temperature of 20°C
17.89 [mN/m] at a temperature of 25°C
19.92 [mN/m] at a temperature of 5°C
19.09 [mN/m] at a temperature of 10°C
18.6 [mN/m] at a temperature of 17.7°C
Interfacial tension
51.1 [mN/m] at a temperature of 20°C and salinity of 0‰
Kinematic viscosity
0.47 [cSt] at a temperature of 20°C
0.45 [cSt] at a temperature of 25°C
1.7918 [cSt] at a temperature of 5°C
1.5532 [cSt] at a temperature of 10°C
1.6936 [cSt] at a temperature of 20°C
Hydrosolubility
10 [mg/l] at a temperature of 20°C and salinity of 0‰
8 [mg/l] at a temperature of 25°C and salinity of 35.3‰
8.8 [mg/l] at a temperature of 20°C and salinity of 0‰
7.1 [mg/l] at a temperature of 20°C and salinity of 5‰
6.6 [mg/l] at a temperature of 20°C and salinity of 30‰
Vapour pressure
16530 [Pa] at a temperature of 20°C
19998 [Pa] at a temperature of 25°C
Vapour density 3.2
Flash point (Pensky-Martens closed cup) -22 [°C]
Lower explosivity limit (LEL) 1.1 [%]
Upper explosivity limit (UEL) 7.5 [%]
Vaporization enthalpy
334494 [J/Kg] at a temperature of 69°C
366295 [J/Kg] at a temperature of 25°C
Combustion enthalpy 44700000 [J/Kg]
Specific heat capacity 2270.2 [J/(Kg·K)]
Combustion efficiency 96 [%]
Mass flow rate of the combustion surface 0.08 [Kg/(m²·s)]
Radiative fraction 33 [%]
Henry's constant 171239 [mol/(m³·Pa)]


Behaviour Top

Log Kow 3.29
Log Koc 2.9
Hydrolysis (Half-life) Not hydrolysable
Aqueous photolysis (Half-life) Not photolysable
Standard European Behaviour Classification (SEBC) Evaporator (E)
Bioconcentration factor (BCF) 585


Ecotoxicity Top

Lowest median lethal concentration (LC50) on crustacean 50 [mg/l]
Lowest median lethal concentration (LC50) on fishes 2.5 [mg/l]


Hazards Top

Flammable
Harmful
Health Hazard
Environmental Hazard

Danger

IDLH 1100 [ppm]
Hazards statements
Physical
H225
Highly flammable liquid and vapour.
Health
H304
May be fatal if swallowed and enters airways.
H315
Causes skin irritation.
H336
May cause drowsiness or dizziness.
H361
Suspected of damaging fertility or the unborn child.
H373
May cause damage to organs through prolonged or repeated exposure, exposure cause the hazard:
Environmental
H411
Toxic to aquatic life with long lasting effects.

Precautionary statements
General
P102
Keep out of reach of children.
P103
Read label before use.
Prevention
P210
Keep away from heat/sparks/open flames/hot surfaces. No smoking.
P241
Use explosion-proof electrical/ventilating/lighting/.../equipment.
P243
Take precautionary measures against static discharge.
P260
Do not breathe dust/fume/gas/mist/vapours/spray.
P271
Use only outdoors or in a well-ventilated area.
P273
Avoid release to the environment.
P280
Wear protective gloves/protective clothing/eye protection/face protection.
Response
P331
Do NOT induce vomiting.
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
3 R 4 NI 0 0 0 2 2 AN NI E 2

A1: Bioaccumulation
Rating Description
3 Moderate potential to bioaccumulate
A1a:
Rating Description Criteria [mg/l]
3 Moderate potential to bioaccumulate 3 ≤ Log Kow < 4
A1b:
Rating Description
NI No Information
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
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
2 Irritating Marked conjunctival hy Irritant Category 2A
D3: Long-term health effects
Notation Hazard endpoint Description GHS category
A Aspiration Lung injury or chemical pneumonia following aspiration of a chemical through the oral or nasal cavity into the trachea or lower respiratory system Category 1 for Aspiration Toxicity
N Neurotoxicity Significant changes which affect the morphology or biochemistry of central nervous system or senses
E1: Tainting of seafood
Rating Description
NI No Information
E2: Behaviour of chemicals in the marine environment
Rating Description
E Evaporator
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.