Registration Dossier
Registration Dossier
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EC number: 295-980-1 | CAS number: 92201-50-8 Extractives and their physically modified derivatives such as tinctures, concretes, absolutes, essential oils, oleoresins, terpenes, terpene-free fractions, distillates, residues, etc., obtained from Cinnamomum camphora, Lauraceae.
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
Description of key information
Based on a Weight of Evidence approach, it can be possible to consider that Camphor white oil is readily biodegradable.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
Additional information
Considered constituents of Camphor white oil are mainly considered readily biodegradable (see table below).
Constituents |
typical concentration in the mixture |
Biodegradation results |
Reference in IUCLID 5 |
1,8-cineol |
37.28 |
Readily biodegradable |
1,8-cineol, 470-82-6, Biodegradation in water: screening tests, Rudio, 1997, RS, W |
(d,l)-limonene |
17.24 |
Readily biodegradable |
(d,l)-limonene, 138-86-3, Biodegradation in water: screening tests, MITI, 1980, RS, W |
Alpha-pinene |
9.55 |
Readily biodegradable |
alpha-pinene, 80-56-8, Biodegradation in water: screening tests, MITI, 2007, RS, W |
Beta-pinene |
3.47 |
Readily biodegradable |
beta-pinene, 127-91-3, Biodegradation in water: screening tests, van Ginkel, 2010, RS, W |
Camphene |
2.06 |
Not readily biodegradable |
camphene, 79-92-5, Biodegradation in water: screening tests, MITI, 1988, RS, W |
Sabinene |
5.86 |
Readily biodegradable |
sabinene, 3387-41-5, Biodegradation in water: screening tests, Kreutzer, 2010, RS, w |
Beta-myrcene |
1.5 |
Readily biodegradable |
beta-myrcene, 123-35-3, Biodegradation in water: screening tests, MITI, 1987, RS, W |
Gamma-terpinene |
1.4 |
Readily biodegradable |
gamma-terpinene, 99-85-4, Biodegradation in water: screening tests, MITI, 1988, RS, W |
It can be observed that only Camphene (2.06% w/w in Camphor white oil composition) is considered as not ready biodegradable.
To justify that even if camphene is considered as not ready biodegradable, once in mixture (rosemary oil, which is a comparable NCS which contains ca. 10% of camphene – study in Weigh of Evidence) the mixture underwent ready biodegradation. Therefore, and based on that weight of evidence, it can considered that Camphor white oil is readily biodegradable.
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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