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Diss Factsheets
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EC number: 614-295-4 | CAS number: 68131-40-8
- 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
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption: screening
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 10 March to 14 September 2010
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: GLP study conducted in accordance with internationally accepted guidelines
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 121 (Estimation of the Adsorption Coefficient (Koc) on Soil and on Sewage Sludge using High Performance Liquid Chromatography (HPLC))
- Qualifier:
- according to guideline
- Guideline:
- EU Method C.19 (Estimation of the Adsorption Coefficient (KOC) on Soil and Sewage Sludge Using High Performance Liquid Chromatography (HPLC))
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- HPLC estimation method
- Media:
- other: Cyano-propyl bonded phase (HPLC column)
- Radiolabelling:
- no
- Test temperature:
- 25°C
- Details on study design: HPLC method:
- EQUIPMENT
- Apparatus: Liquid Chromatograph
- Type: Hewlett Packard 1050
- Type, material and dimension of analytical column: Supelcosil LC-PCN (15 cm x 3 mm internal diameter)
- Detection system: UV set at 210 nm (reference mixture); Shodex RI 71 Refractive Index (samples)
MOBILE PHASES
- Type: Methanol:water (55:45 v/v)
- Experiments with additives carried out on separate columns: no
- pH: unbuffered (substance not ionisable)
- Solvents for dissolving test and reference substances: HPLC mobile phase
DETERMINATION OF DEAD TIME
- Method: by inert substance which is not retained by the column (formamide)
REFERENCE SUBSTANCES
- Identity: acetanilide; nitrobenzene; naphthalene; 2-methylnaphthalene; anthracene; DDT
DETERMINATION OF RETENTION TIMES
- Quantity of test substance introduced in the column: 20 ng
- Quantity of reference substances: 0.1-4 ng
- Intervals of calibration: approximately 1 log unit
REPETITIONS
- Number of determinations: Two
EVALUATION
- Calculation of capacity factors k': (retention time of sample/reference - retention time deadtime standard) / retention time deadtime standard)
- Calculation of retention times: observed retention time - deadtime
- Determination of the log Koc value: A calibration plot of log10 k versus log10 Koc was constructed for the reference standards. The logarithm of the capacity factors for the test substance was then calculated and the log10 Koc values determined by interpolation. - Type:
- Koc
- Value:
- >= 14 000 - <= 420 000 dimensionless
- Details on results (HPLC method):
- - Retention times of reference substances used for calibration:
Acetanilide: 0.98 min
Nitrobenzene: 1.09 min
Naphthalene: 1.26 min
2-Methynaphthalene 1.37 min
Anthracene: 1.71 min
DDT: 2.48 min
(mean of two determinations)
- Details of fitted regression line (log k' vs. log Koc): Linear regression (based on mean of standard runs A and B): log10Koc = 3.59 log10k + 4.58
- Graph of regression line attached: yes
- Average retention data for test substance: 1.55 to 2.61 minutes - Validity criteria fulfilled:
- yes
- Executive summary:
The main components of Softanol 30 were determined to have log10Kocvalues ranging from of 4.1 to 5.6.
These values are equivalent to Koc= 1.4 x 104 to 4.2 x 105.
Reference
Description of key information
The main components of Softanol 30 were determined to have log10Koc values ranging from of 4.1 to 5.6.
These values are equivalent to Koc= 1.4 x 10E4 to 4.2 x E5.
Key value for chemical safety assessment
- Koc at 20 °C:
- 14 000
Additional information
The Koc value selected is the worst case for the aquatic environment where the substance is known to have hazardous properties.
[LogKoc: 4.1]
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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