Lauric Acid

CAS Number: 143-07-7

Also known as: Dodecanoic Acid, Dodecylic Acid, Vulvic Acid, Laurostearic Acid, Lauric Acid, Acide Laurique
Information on chemical

Information on chemical

External resources

CAMEO Chemical Database
WISER Substance List


CAS number 143-07-7
Formula C12H24O2

Physical chemical data

Physical State (25°C) Solid
Kinematic viscosity (cSt)
8.41 [cSt] at a temperature of 50°C
Molar mass (g/mol) 200.318
Solubility (g/L)
4.81 [g/L] at a temperature of 25°C and salinity of 0‰
Boiling Point (°C) 225
Melting Point (°C) 43.8
Critical temperature (°C) 743
Critical pressure (Pa) 1930000
Surface tension (mN/m)
26.6 [mN/m] at a temperature of 70°C
Combus enthalpy (J/Kg) 37009655
Henry's constant (mol/(m³·Pa)) 0.94

Behaviour at sea

Log kow 4.2
Log koc 2.5
Biodegradation in estuary environment (Half-life) (days) Not hydrolysable
Bioconcentration factor (BCF) 255

Additional data

MARPOL pollution category
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.

Transportation data

Reactivity data

GESAMP Hazard profile

Bioaccumulation in logPow (A1A) 4 - ≥4 and <5
Bioaccumulation (A1) 4 - High potential to bioaccumulate
Biodegradation (A2) R - Readily biodegradable
Acute aquatic toxicity (B1) (LC/EC/IC50 (mg/l)) 4 - Highly toxic
Chronic aquatic toxicity (B2) (NOEC (mg/l)) 1 - Low
Acute mammalian toxicity by swallowing (C1) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by skin penetration (C2) (LD50 (mg/kg)) 0 - Negligible
Acute mammalian toxicity by inhalation (C3) (LC50 (mg/l)) 2 - Moderate
Skin irritation/corrosivity (D1) 1 - Mildly irritating
Eye irritation/corrosivity (D2) 2 - Irritating
Interference with coastal amenities (E2) Fp - Persistent slick forming substance
Effects on wildlife and bottom habitats (E3) 2 - Is a persistent floater; and/or is moderately acutely toxic; and/or is irritating to skin and/or eyes; and/or has long-term health effects other than carcinogenicity, mutagenicity or reprotoxicity; and/or is highly flammable; and/or is flammable and is a floater with evaporative properties

Human toxicity threshold

Hazard statements
H318 Causes serious eye damage.
Precautionary statements
P280 Wear protective gloves/protective clothing/eye protection/face protection.


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

Incident reports

No incident reports available

Emergency Response Guidebook

Emergency Response Guidebook

No guides available

At sea emergency guide

At sea emergency guide

No guides available

Decision trees

Decision trees

No decision trees available

No additional data

last modified 2020-12-11T09:57:22+00:00