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

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Lauric Acid

Description Top

CAS number 143-07-7
Chemical formula C12H24O2
Standard European Behaviour Classification (SEBC) Floater (F)
GESAMP Hazard profile
A1 A2 B1 B2 C1 C2 C3 D1 D2 D3 E1 E2 E3
4 R 4 1 0 0 2 1 2 NI Fp 2

Marine pollution Classification (MARPOL Annex II)
Category Description
X Noxious Liquid Substances which, if discharged into the sea from tank cleaning or deballasting operations, are deemed to present a major hazard to either marine resources or human health and, therefore, justify the prohibition of the discharge into the marine environment.

Alternate names for this chemical
Dodecanoic Acid
Dodecylic Acid
Vulvic Acid
Laurostearic Acid
Lauric Acid
Acide Laurique


Physico-chemical properties Top

Chemical formula C12H24O2
Molar mass 200.318 [g/mol]
State Solid at 25°C and 1 atm
Fusion temperature 43.8 [°C]
Boiling temperature 225 [°C]
Critical temperature 743 [°C]
Density
867.9 [Kg/m³] at a temperature of 25°C
Surface tension
26.6 [mN/m] at a temperature of 70°C
Kinematic viscosity
8.41 [cSt] at a temperature of 50°C
Hydrosolubility
4.81 [mg/l] at a temperature of 25°C and salinity of 0‰
Vapour pressure
0.002 [Pa] at a temperature of 25°C
Critical pressure 1930000 [Pa]
Combustion enthalpy 37009655 [J/Kg]
Henry's constant 0.94 [mol/(m³·Pa)]


Behaviour Top

Log Kow 4.2
Log Koc 2.5
Hydrolysis (Half-life) Not hydrolysable
Standard European Behaviour Classification (SEBC) Floater (F)
Bioconcentration factor (BCF) 255


Ecotoxicity Top

Lowest median lethal concentration (LC50) on fishes 35 [mg/l]
Highest no observed effect concentration (NOEC) on algae 4.4 [mg/l]
Highest no observed effect concentration (NOEC) on crustacean 1.5 [mg/l]
Highest no observed effect concentration (NOEC) on fishes 6.4 [mg/l]


Hazards Top

Corrosive

Danger

Hazards statements
Health
H318
Causes serious eye damage.

Precautionary statements
Prevention
P280
Wear protective gloves/protective clothing/eye protection/face protection.


GESAMP Top

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

A1: Bioaccumulation
Rating Description
4 High potential to bioaccumulate
A1a:
Rating Description Criteria [mg/l]
4 High potential to bioaccumulate 4 ≤ Log Kow < 5
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 Criteria [mg/l]
1 Low 0.1 < NOEC ≤ 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)
2 Moderate 2 < AITE ≤ 10
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
2 Irritating Marked conjunctival hy Irritant Category 2A
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
Fp Persistent floater
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

Corrosive

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

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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.