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Diss Factsheets
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EC number: 201-782-8 | CAS number: 87-90-1
- 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
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Phototransformation in water
Administrative data
- 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
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 981
Materials and methods
- Principles of method if other than guideline:
- To determine the extent of photodegradation of aqueous sodium salt solutions of 2, 4, 6-trihydroxy-1,3,5-triazine in pH 7.5 phosphate buffers under simulated sunlight irradiation.
- GLP compliance:
- no
Test material
- Reference substance name:
- Cyanuric acid
- EC Number:
- 203-618-0
- EC Name:
- Cyanuric acid
- Cas Number:
- 108-80-5
- Molecular formula:
- C3H3N3O3
- IUPAC Name:
- 1,3,5-triazine-2,4,6-triol
- Details on test material:
- - Name of test material (as cited in study report): 2,4,6-trihydroxy-1,3,5-triazine (cyanuric acid)
- Analytical purity: 99.6%
- Lot/batch No.: E504-14-3 (FMC)
Constituent 1
Study design
- Radiolabelling:
- no
- Analytical method:
- other: Differential pulse polarographic measurements
- Buffers:
- Buffer solutions of sodium phosphate monobasic, monohydrate was prepared and the pH adjusted to pH 7.5 with sodium hydroxide. The solutions were made with distilled water, tap water and well water.
- Light source:
- other: GE 20 watt F20T12.BL Blacklight fluorescent lamp
- Details on test conditions:
- TEST SYSTEM
- Type, material and volume of test apparatus/vessels: Photoreactor built from two borosilicate glass tubes of 1.5 and 3.0 inches in diameter with a volume capacity if about 1000 ml.
- Details of traps for volatile, if any: The air inlet was replaced by an absorbent tube filled with 6 inches of Tenax to collect any gaseous products.
TEST MEDIUM
- Volume used/treatment 850 ml
- Kind and purity of water: Distilled, tap and well water
REPLICATION
- No. of replicates (dark): 1
- No. of replicates (irradiated): 2
OTHER
-Temp: The temperature of solution was observed to fluctuate between 23ºC and 27ºC throughout tre study.
Duration of test at given test condition
- Duration:
- 30 d
- Temp.:
- 25 °C
- Initial conc. measured:
- 100 mg/L
- Dark controls:
- yes
Results and discussion
- Transformation products:
- no
Applicant's summary and conclusion
- Conclusions:
- There was no significant change in the concentration of 2,4,6-trihydroxy-1,3,5-triazine in both the sample and control solutions over the 30 day period and therefore no photodegradation occurred during the experimental period.
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