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Diss Factsheets
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EC number: 907-653-9 | CAS number: -
- Life Cycle description
- Uses advised against
- Endpoint summary
- Appearance / physical state / colour
- Melting point / freezing point
- Boiling point
- Density
- Particle size distribution (Granulometry)
- Vapour pressure
- Partition coefficient
- Water solubility
- Solubility in organic solvents / fat solubility
- Surface tension
- Flash point
- Auto flammability
- Flammability
- Explosiveness
- Oxidising properties
- Oxidation reduction potential
- Stability in organic solvents and identity of relevant degradation products
- Storage stability and reactivity towards container material
- Stability: thermal, sunlight, metals
- pH
- Dissociation constant
- Viscosity
- Additional physico-chemical information
- Additional physico-chemical properties of nanomaterials
- Nanomaterial agglomeration / aggregation
- Nanomaterial crystalline phase
- Nanomaterial crystallite and grain size
- Nanomaterial aspect ratio / shape
- Nanomaterial specific surface area
- Nanomaterial Zeta potential
- Nanomaterial surface chemistry
- Nanomaterial dustiness
- Nanomaterial porosity
- Nanomaterial pour density
- Nanomaterial photocatalytic activity
- Nanomaterial radical formation potential
- Nanomaterial catalytic activity
- Endpoint summary
- Stability
- Biodegradation
- Bioaccumulation
- Transport and distribution
- Environmental data
- Additional information on environmental fate and behaviour
- Ecotoxicological Summary
- Aquatic toxicity
- Endpoint summary
- Short-term toxicity to fish
- Long-term toxicity to fish
- Short-term toxicity to aquatic invertebrates
- Long-term toxicity to aquatic invertebrates
- Toxicity to aquatic algae and cyanobacteria
- Toxicity to aquatic plants other than algae
- Toxicity to microorganisms
- Endocrine disrupter testing in aquatic vertebrates – in vivo
- Toxicity to other aquatic organisms
- Sediment toxicity
- Terrestrial toxicity
- Biological effects monitoring
- Biotransformation and kinetics
- Additional ecotoxological information
- Toxicological Summary
- Toxicokinetics, metabolism and distribution
- Acute Toxicity
- Irritation / corrosion
- Sensitisation
- Repeated dose toxicity
- Genetic toxicity
- Carcinogenicity
- Toxicity to reproduction
- Specific investigations
- Exposure related observations in humans
- Toxic effects on livestock and pets
- Additional toxicological data
Biodegradation in water: screening tests
Administrative data
Link to relevant study record(s)
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: chemicals are sharing very similar chemicall structure
- Justification for type of information:
- chemicals are sharing very similar chemicall structure
- Reason / purpose for cross-reference:
- read-across source
- Parameter:
- % degradation (test mat. analysis)
- Value:
- 77
- Sampling time:
- 28 d
- Interpretation of results:
- readily biodegradable
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 F (Ready Biodegradability: Manometric Respirometry Test)
- GLP compliance:
- yes
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 32 d
- Reference substance:
- other: sodium benzoate
- Parameter:
- % degradation (test mat. analysis)
- Value:
- 77
- Sampling time:
- 32 d
- Parameter:
- % degradation (test mat. analysis)
- Value:
- 77
- Sampling time:
- 28 d
- Details on results:
- oxygen uptakes, as read on the SAPROMAT meters, are corrected:
-by deducting the basic oxygen updates of sludge (flasks 1/7 and 1/8)
-proportionally to account for the small differences between actual and nominal concentrations of test and reference substances
Degradation of sodium benzoate exceeds 40% after 7 days and 65% after 14 days: the activity of the inoculum is thus verified and the test is considered as valid - Interpretation of results:
- readily biodegradable
- Conclusions:
- camphor undergoes 77% biodegradation after 32 days (alos 77% after 28days) in the test conditions. Biodegradation starts on day 5 and reaches 67% at the end of the 10-day window (day 5to 15).
Thus, camphor should be regarded as readily biodegradable according to this test.
The curves obtained with the reference substance alone and with camphor+ reference show no toxic effect of camphor to the micro-organisms at the test concentration.
Referenceopen allclose all
DAYS | 5 | 7 | 15 | 21 | 28 | 32 | |
BOD sludge | 1st flask B1 | 8.0 | 10.0 | 12.0 | 16.0 | 16.0 | 16.0 |
BOD sludge | 2nd flaskB2 | 7.0 | 7.0 | 12.0 | 14.0 | 15.0 | 16.0 |
BOD sludge | mean B | 7.5 | 8.5 | 12.0 | 15.0 | 15.5 | 16.0 |
BOD test subst. | 1st flask C1 | 104.2 | 148.9 | 199.5 | 235.2 | 246.2 | 247.2 |
BOD test subst | 2nd flask C2 | 93.9 | 159.6 | 202.2 | 218.7 | 223.6 | 224.6 |
BOD test subst | 1st fl.corr C1 -B | 96.7 | 140.4 | 187.5 | 220.2 | 230.7 | 231.2 |
% degr | 2nd fl.corr C2 -B | 86.4 | 151.1 | 190.2 | 203.7 | 208.1 | 208.6 |
% degr | 1st flask D1 | 34 | 49 | 66 | 78 | 81 | 81 |
% degr | 2nd flask D2 | 30 | 53 | 67 | 72 | 73 | 73 |
% degr | mead D | 32 | 51 | 67 | 75 | 77 | 77 |
Description of key information
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
- Type of water:
- freshwater
Additional information
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.