Registration Dossier
Registration Dossier
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EC number: 282-013-3 | CAS number: 84082-68-8 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Myristica fragrans, Myristicaceae.
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
The three main constituents of the Natural Complex Substance (NCS) Nutmeg oil are the bicyclic terpenes, alpha- and beta-pinene and sabinene which together form half of the NCS. The remainder is made up by a range of monocyclic terpenes and terpenoids. The asssessment of the biodegradation of Nutmeg oil is based on its constituents. The constituents, comprising 94% of the composition of this NCS, are in the category of readily biodegradable substances. Therefore, Nutmeg oil is considered readily biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
Nutmeg oil is a Natural Complex Substance (NCS) for which more than 90 % of the constituents is identified. The three main constituents are the bicyclic terpenes, alpha- and beta-pinene and sabinene which together form half of the NCS. The remainder is made up by a range of monocyclic terpenes and terpenoids.
As no valid empirical results from a test for the ready biodegradation of Nutmeg oil are available, the assessment is based on its constituents (present at or above 1%). The assumption is that if the constituents of the NCS are readily biodegradable, the NCS itself is readily biodegradable as well.
With the exception of one minor constituent, all constituents are readily biodegradable. For one minor constituent (1.2%) the criteria for 'ready' were barely missed (53% instead of 60%). For 5 constituents (17%) the ready biodegradability is based on structurally related substances.
The constituents, comprising 94% of the composition of this NCS, are in the category of ready biodegradable substances. Therefore, Nutmeg oil is considered readily biodegradable.
A statement on the use of the protocol for Registration of Natural Complex Substance (NCS) under REACH has been attached to the dossier
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
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