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EC number: 232-401-3 | CAS number: 8016-11-3
- 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 based on grouping of substances (category approach)
- Adequacy of study:
- key study
- Justification for type of information:
- It is considered appropriate to address data requirements for Linseed oil, epoxidized via read-across to members of the epoxidised oils and derivatives group. Four epoxidised oils (linseed, soybean, 2-ethylhexyl tallate and fatty acids, C14-C22, 2-ethylhexylesters) have been identified as sharing common structural and functional similarities, recognised in an OECD SIDS review as a single category, and therefore justifying read-across between data for different members of the group. Consequently data sharing between ESBO epoxidised soybean oil and epoxidised linseed oil is considered appropriate.
- Reason / purpose for cross-reference:
- read-across source
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 79
- Sampling time:
- 28 d
- Remarks on result:
- other: 10 mg test substance/L
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 92
- Sampling time:
- 28 d
- Remarks on result:
- other: 20 mg test substance/L
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
- Conclusions:
- A ready biodegradability test (OECD guideline 301B) was conducted on TK 11278 (otherwise known as Reoplast 39 or epoxidised soybean oil) using bacteria from a sewage treatment plant. Aniline was used as a reference substance.
After 28 days:
The biodegradation calculated as percentage of measured amount of CO2 over the theory was:
10 mg test substance/L = 79 % in 28 days
20 mg test substance/L = 92 % in 28 days
The % degradation (% ThCO2 formation) exceeded 10% within 2 to 3 days for both concentrations of the test material and subsequently exceeded the 60% pass level within the 10 day window.
Therefore, epoxidised soybean oil is readily biodegradable. - Executive summary:
It is considered appropriate to address data requirements for Linseed oil, epoxidized via read-across to members of the epoxidised oils and derivatives group. Four epoxidised oils (linseed, soybean, 2-ethylhexyl tallate and fatty acids, C14-C22, 2-ethylhexylesters) have been identified as sharing common structural and functional similarities, recognised in an OECD SIDS review as a single category, and therefore justifying read-across between data for different members of the group. Consequently data sharing between ESBO epoxidised soybean oil and epoxidised linseed oil is considered appropriate.
Based on read-across from an OECD 301B ready biodegradability study conducted on TK 11278 (otherwise known as Reoplast 39 or epoxidised soybean oil), Linseed oil, epoxidized is considered to be readily biodegradable.
Reference
Theoretical CO2 formation:
Reference Substance: 20 mg/L = 85.061 mg CO2/1.5L
Test Substance: 10 mg/L = 39.13 mg CO2/1.5L
Test Substance: 20 mg/L = 78.26 mg CO2/1.5L
Table 1: CO2 Evolution and Biodegradation
DAY |
Blank |
Blank and vehicle |
Aniline (Ref. Substance) 20 mg/L
|
Test Substance at 10 mg/L |
Test Substance at 20 mg/L |
|||||||||||
CO2 Evolution |
CO2 Evolution |
CO2 Evolution |
Biodegradation |
CO2 Evolution |
Biodegradation |
CO2 Evolution |
Biodegradation |
|||||||||
[mg] |
[mg]* |
[mg] |
[mg]* |
[mg] |
[mg]* |
[%] |
[%]* |
[mg] |
[mg]* |
[%] |
[%]* |
[mg] |
[mg]* |
[%] |
[%]* |
|
5 |
2.7 |
2.7 |
4.2 |
4.2 |
16.1 |
16.1 |
19.0 |
19.0 |
16.3 |
16.3 |
41.8 |
42 |
42.1 |
42.1 |
53.8 |
54 |
11 |
6.4 |
9.2 |
6.1 |
10.3 |
47.3 |
63.4 |
55.6 |
74.5 |
10.3 |
26.7 |
26.4 |
68 |
19.0 |
61.1 |
24.3 |
78 |
18 |
7.6 |
16.8 |
7.7 |
18.0 |
7.2 |
70.6 |
8.4 |
83.0 |
3.0 |
29.7 |
7.7 |
76 |
6.5 |
67.6 |
8.3 |
86 |
22 |
3.7 |
20.4 |
4.0 |
22.0 |
3.8 |
74.4 |
4.5 |
87.4 |
-0.4 |
29.3 |
-0.9 |
75 |
0.1 |
67.7 |
0.1 |
87 |
27 |
7.3 |
27.7 |
5.6 |
27.6 |
5.9 |
80.2 |
6.9 |
94.3 |
1.5 |
30.9 |
3.9 |
79 |
3.4 |
71.2 |
4.4 |
91 |
28 |
1.2 |
28.9 |
1.7 |
29.3 |
0.1 |
80.3 |
0.1 |
94.4 |
-0.1 |
30.8 |
-0.2 |
79 |
1.2 |
72.3 |
1.5 |
92 |
* = cumulative values
Description of key information
Soybean oil, epoxidised is considered to be readily biodegradable. This was proven in a study conducted by Dr. A.V. Schulthess in 1988 using OECD guideline 301B.
A ready biodegradability test was conducted on TK 11278 (otherwise known as Reoplast 39 or epoxidised soybean oil) using bacteria from a sewage treatment plant. Aniline was used as a reference substance.
After 28 days:
The biodegradation calculated as percentage of measured amount of CO2 over the theory was:
10 mg test substance/L = 79 % in 28 days
20 mg test substance/L = 92 % in 28 days
The % degradation (% ThCO2 formation) exceeded 10% within 2 to 3 days for both concentrations of the test material and subsequently exceeded the 60% pass level within the 10 day window.
Therefore, epoxidised soybean is readily biodegradable.
Read across to a study result from an investigation using a similar material is justified for members of the Epoxidised Oils and Derivatives group. Four epoxidised oils (linseed, soybean, 2 -ethylhexyl tallate and fatty acids, C14 -C22, 2 -ethylhexyl esters) have been identified as sharing common structural and functional similarities, recognised in an OECD SIDS review as a single category, and therefore justifying read-across between data for different members of the group. Consequently, data sharing between ESBO epoxidised soybean oil is considered appropriate.
Read-across bridges are used for members of the EOD group where appropriate, is justified based on similar toxicity profiles and structural and functional similarities.
Key value for chemical safety assessment
- Biodegradation in water:
- readily biodegradable
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.