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Diss Factsheets
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EC number: 204-854-7 | CAS number: 127-65-1
- 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
Phototransformation in water
Administrative data
Link to relevant study record(s)
- Endpoint:
- phototransformation in water
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Remarks:
- Test was not performed under GLP and not according to standard guidelines.
- Study type:
- direct photolysis
- Principles of method if other than guideline:
- Method: other (measured)
- GLP compliance:
- no
- Radiolabelling:
- no
- Analytical method:
- other: Dr. Lange LCK 310/343 cuvette test kit
- Details on sampling:
- Samples were taken on day: 0, 1, 2, 3, 6, 7, 13, 17, 24, 50 and 70
- Buffers:
- No buffers sued
- Light source:
- sunlight
- Details on test conditions:
- Test solutions were prepared in:
- demineralised water (demi water) (ex-pilot plant) pH 6.9 (carbon dioxide free)
- tap water, drinking water from the community system obtained via the intermediate storage tank. pH 7.9.
- river water, water taken from the river Schipbeek about 500 m before the entrance in the river IJssel. Filtered before use. pH 7.6.
A known amount of Halamid was dissolved in demi water in such a way that a stock solution of 1500 mg/l was obtained. Using this stock solutions the test solutions were prepared.
Test solution D.D.
10.0 ml of stock solution was transferred quantitatively into a 1000 ml volumetric flask. The solution was made up to mark with demi water and mixed. The flask was completely covered with aluminum foil and placed in a cup-board at room temperature. pH at T0 was 9.3.
Test solution D.L.
Same procedure as for D.D. The flask as such was placed on a bench before the window. It was standing in direct day light during the whole day. pH at T0 was 9.3.
Test solution T.L.
Same procedure and conditions as D.L. However tap water was used to make up the solution. pH at T0 was 7.9.
Test solution R.L.
Same procedure and conditions as D.L. However river water was used to make up the solution. pH at T0 was 7.6. - Duration:
- 70 d
- Temp.:
- 20 °C
- Initial conc. measured:
- 15 mg/L
- Reference substance:
- no
- Dark controls:
- yes
- Remarks:
- in demineralized water
- % Degr.:
- 72.7
- Sampling time:
- 70 d
- Test condition:
- Direct photolysis, demineralized water
- % Degr.:
- 92
- Sampling time:
- 70 d
- Test condition:
- Direct photolysis, tap water
- % Degr.:
- 98.7
- Sampling time:
- 70 d
- Test condition:
- Direct photolysis, river water
- DT50:
- 2 mo
- Transformation products:
- not measured
- Validity criteria fulfilled:
- not applicable
- Conclusions:
- Chloramine T is stable in the dark, but not in sunlight.
- Executive summary:
Solutions of Tosylchloramide sodium in river water, tap-water and demi water were prepared, The change in substance content in time was followed using the Dr. Lange LCK 310/343 cuvette test kit. The influence of sunlight on the stability was also tested.
Reference
Demin-water dark : 15 mg/l in demin-water in the dark
remains stable for a long period. 1.5 mg/l activity loss in
two month period. Test performance was static.
Demin-water light : 15 mg/l in direct sunlight was not
stable, and a loss of 11 mg/l in two month period was
evident.
Description of key information
The stability of Tosylchloramide sodium at 15 mg/l was determined in river water, tap-water and demi water for a period of 70 days at 20 degrees celsius. Measurements were based on Dr. Lange cuvette tests (Dr.Lange, Kesteren, The Netherlands). Total chlorine and combined chlorine were measured. The influence of sunlight on the stability was also tested. Tosylchloramide sodium at 15 mg/l was determined in demi water, in the dark and in direct sunlight (natural) at room temperature. Flasks in the dark were covered with alumium foil. Biodegradation of Tosylchloramide sodium in river water, tap-water and demi water were 98.7, 92 and 72.7% respectively. The latter result is considered to be more reliable due to a loss of product in tap and river water most likely due to (dissolved) organic matter and not to photolysis. Under direct sunlight Tosylchloramide sodium was not stable, and a loss of 11 mg/l during a two month period was observed.
Key value for chemical safety assessment
- Half-life in water:
- 2 mo
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.
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