Registration Dossier
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EC number: 269-133-1 | CAS number: 68187-89-3
Endpoint summary
Administrative data
Description of key information
Additional information
Acid chlorides, coco
The substance is a mixture of the following components which hydrolyse rapidly in water to form HCl (CAS 7647-01-0) and the corresponding acid.
1) Lauroyl
chloride (CAS 112-16-3): >=30 to <=70%
(hydrolysis product: lauric acid, CAS 143-07-7)
2)
Tetradecanoyl choride (myristoyl chloride; CAS 112-64-1): >=10 to <=30%
(hydrolysis product: myristic acid, CAS 544-63-8)
3)
Palmitoyl chloride (CAS 112-67-4): >=1 to <=20%
(hydrolysis product: palmitic acid, CAS 57-10-3)
4) Decanoyl chloride (CAS 112-13-0): >=1 to <=15%
(hydrolysis product: decanoic acid, CAS 334-48-5)
5) Stearoyl chloride (CAS 112-76-5): >=1 to <=15%
(hydrolysis product: stearic acid, CAS 57-11-4)
6) Octanoyl chloride (CAS 111-64-8): <=1 to <=10%
(hydrolysis product: octanoic acid, CAS 124-07-2)
Stability
After evaporation or exposure to the air, acid chlorides, coco and its hydrolysis products will be rapidly to moderately degraded by photochemical processes.
Parent compound: In contact with water the substance will hydrolyse rapidly (t1/2 < 24 h).
Hydrolysis products: readily biodegradable.
Biodegradation
The parent compounds hydrolyse rapdily in water and form the corresponding acids and HCl. While HCl is inorganic, the acids are considered to be readily biodegradable.
Bioaccumulation
Parent compounds and corresponding acids: Significant accumulation in organisms is not expected. However, the assessment of the bioaccumulation potential of the parent compound may be of low relevance due to the rapid hydrolysis of the acid chloride in aqueous solutions.
Transport and distribution
The parent compounds hydrolyse rapdily in wet environments and form the corresponding acids and HCl.
Hydrolysis products: Adsorption to the solid soil phase is expected at pH <= 7. Adsorption to the solid soil phase is not expected at pH > 7.
From the water surface the hydrolysis products (acyl halides) of acid chlorides, coco will not evaporate into the atmosphere.
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