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Diss Factsheets
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EC number: 937-237-2 | CAS number: 1370006-50-0
- 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
Hydrolysis
Administrative data
Link to relevant study record(s)
Description of key information
The half-lives of the closely related oleic-acid based IQAC, DMS quaternised were at pH 4: > 1 year at 25 °C, at pH7 2.9 days at 20°C, 2.5 days a t 25°C, 27 hours at 50 °C and 16 hours at 60 °C, respectively. At pH 9 the half life was 1.2 days at 20 °C.
Key value for chemical safety assessment
- Half-life for hydrolysis:
- 2.9 d
- at the temperature of:
- 20 °C
Additional information
Experimental data on hydrolysis of Partially unsaturated IQAC, DMS quaternised are not available. The substance is easily forming emulsions with water. It was not possible to remove the suspension of excess undissolved test substance by either centrifugation or filtration techniques to isolate a suitable aqueous solution for a hydrolysis study. In the guidelines (EC Guideline C.7 and OECD Guideline 111) it is outlined, that the hydrolysis test is only applicable to water soluble substances. In the frame of determing physico-chemical properties, among others the water solubility of the test substance was determined to be 2.6 mg/l using a slow stirring method (see Chapter 4.8). Based on these findings and the requirements of the guidelines, the test on hydrolysis is technically not feasible and was therefore not performed. Instead, a read across test from the closely related Oleic-acid based IQAC, DMS quaternised is available. Hydrolysis of the IQAC based on oleic acid was studied in the dark at 20ºC, 50 ºC and 60 ºC in sterile aqueous buffered solutions at pH 4 (acetate buffer), pH 7 (phosphate buffer) and pH 9 (borate buffer) for 5 days according to EC C.7 (OECD 111). The half-lives of the test item were at pH 4: > 1 year at 25 °C, at pH 7 2.9 days at 20°C, 2.5 days at 25°C, 27 hours at 50 °C and 16 hours at 60 °C, respectively. At pH 9 the half life was 1.2 days at 20 °C.
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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