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EC number: 410-070-8 | CAS number: 141880-36-6 ACID RED HT 3728; ERIONYL RED HT 3728
- 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)
- Endpoint:
- hydrolysis
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 03 July 1992 to 06 August 1992
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 111 (Hydrolysis as a Function of pH)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: EEC guideline L 251/C.10. (1984)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Specific details on test material used for the study:
- Product designation: Erionyl Rot HT 3728
Identification: FAT 45155/6 Vers. Nr.: TV1 - Radiolabelling:
- not specified
- Analytical monitoring:
- yes
- Details on sampling:
- no data
- Buffers:
- pH 4.0: Ciba-Geigy Code No. P07: 0.1 moles acetic acid and 0.1 moles sodium acetate were diluted to 1000 ml with water, and 60.0 ml 1.0 N HCl was added
pH 7.0: Ciba-Geigy Code No. P10: 0.041 moles disodium hydrogen phosphate and 0.028 mole potassium dihydrogen phosphate were diluted to 1000 ml with water
pH 9.0: Ciba-Geigy Code No. P12: 0.043 moles disodium tetraborate and 0.017 moles potassium dihydrogen phosphate were diluted to 1000 ml with water. - Details on test conditions:
- Brown glass flasks were used.
The test was done at 50 °C at pH 4, 7 and 9. - Duration:
- 5 d
- pH:
- 4
- Temp.:
- 50 °C
- Duration:
- 5 d
- pH:
- 7
- Temp.:
- 50 °C
- Number of replicates:
- duplicate samples were determined for each sampling
- Positive controls:
- no
- Negative controls:
- no
- Preliminary study:
- The hydrolysis of test substance at 50 °C was lower than 10 % at pH 4, 7 and 9.
- Transformation products:
- not measured
- pH:
- 4
- Temp.:
- 25 °C
- DT50:
- > 1 yr
- Type:
- (pseudo-)first order (= half-life)
- pH:
- 7
- Temp.:
- 25 °C
- DT50:
- > 1 yr
- Type:
- (pseudo-)first order (= half-life)
- pH:
- 9
- Temp.:
- 25 °C
- DT50:
- > 1 yr
- Type:
- (pseudo-)first order (= half-life)
- Details on results:
- The test substance has a half-life time longer than one year at 25 °C at pH 4, 7 and 9.
- Validity criteria fulfilled:
- yes
- Conclusions:
- FAT 45155/B has a half-life time longer than one year at 25 °C at pH 4, 7 and 9 and the test substance is considered stable.
- Executive summary:
A GLP-compliant hydrolysis test was performed with FAT 45155/B according to the OECD guideline 111 to evaluate the hydrolysis of test substance as a function of pH. The test substance was dissolved in aqueous buffer solution, and the temperature and pH were checked at pH 4, 7 and 9 respectively. The decrease of the concentration with time was determined by HPLC. The test results showed that the test substance has a half-life time longer than one year at 25 °C at pH 4, 7 and 9. The test substance is stable at pH 4, 7 and 9.
Reference
Description of key information
The test substance has a half-life time longer than one year at 25 °C at pH 4, 7 and 9 and is stable at pH 4, 7 and 9.
Key value for chemical safety assessment
- Half-life for hydrolysis:
- 1 yr
- at the temperature of:
- 25 °C
Additional information
A GLP-compliant hydrolysis test was performed with FAT 45155/B according to the OECD guideline 111 to evaluate the hydrolysis of test substance as a function of pH. The test substance was dissolved in aqueous buffer solution, and the temperature and pH were checked at pH 4, 7 and 9, respectively. The decrease of the concentration with time was determined by HPLC. The test results showed that the test substance has a half-life time longer than one year at 25 °C at pH 4, 7 and 9. The test substance is stable at pH 4, 7 and 9.
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