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Diss Factsheets
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EC number: 701-290-8 | CAS number: -
- 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
Short-term toxicity to aquatic invertebrates
Administrative data
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study conducted under GLP
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 997
- Report date:
- 1997
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 202 (Daphnia sp. Acute Immobilisation Test)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Reference substance name:
- Sucrose di(acetate) hexaisobutyrate
- EC Number:
- 204-771-6
- EC Name:
- Sucrose di(acetate) hexaisobutyrate
- Cas Number:
- 126-13-6
- IUPAC Name:
- Sucrose Acetate Isobutyrate
- Test material form:
- liquid: viscous
- Details on test material:
- - Name of test material (as cited in study report): Sucrose Acetate Isobutyrate (SAIB)
- Physical state: Viscous amber liquid
- Lot/batch No.: 4002606
Constituent 1
Sampling and analysis
- Analytical monitoring:
- yes
- Details on sampling:
- The temperature, dissolved oxygen concentration, pH, and analytical concentration verification of each exposure solution were measured at times 0 and 48 hours.
Test solutions
- Vehicle:
- yes
- Details on test solutions:
- The stock solution was prepared in the carrier solvent N,N-dimethylformamide (DMF), as the test substance had negligible aqueous solubility. The stock solution was sonicated for approximately 1 hour and l5 minutes prior to use. The concentration of the test substance exposure solution contained the carrier solvent at a concentration of no more than 0.1 mL/1L. The exposure solutions for the test (nominally 0.5, 1, 1.5, 3, and 5 mg/L) were prepared by the addition of the appropriate amounts of the test substance stock solution to each test vessel containing laboratory dilution water. After the addition of the stock solution, each exposure solution was stirred with a glass rod to ensure mixing. The exposure solutions appeared clear throughout the test, with no apparent particulates, surface slicks or precipitates observed.
Test organisms
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- Adult Daphnia magna were reared within 100-L culturing tanks located within the Testing Facility. The gravid daphaids used to produce the test animals for the study were obtained from rearing tanks which had been established for at least two weeks. Prior to the study, approximately 100 gravid daphnids were transferred by net into two 20-cm diameter bowls containing 1 liter of diluent water and 5 mL of food. After 18 hours in these bowls, all adult daphnids were removed by using nets and pipets. Neonate daphnids were collected by pipet and transferred directly into the exposure vessels.
Sequential randomization was accomplished by allocating to each vessel no more than 50% of any one set of test organisms at a time. A total of 10 daphnids were placed into each of the replicate test vessels and replicate control vessels.
Study design
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
Test conditions
- Hardness:
- 124 mg/L as CaCO3
- Test temperature:
- 19-21 °C
- pH:
- 8.3 - 8.5
- Dissolved oxygen:
- 8.5 - 9.1 mg/L
- Nominal and measured concentrations:
- Nominal concentrations were 0.5, 1.0, 1.5:. 3.0, and 5.0 mg/L.
The geometric mean of the pooled replicates sampled at test intitiation and end were 0.07, 0.26, 0.31, 0.67 and 1.1 mg/L - Details on test conditions:
- The acute aquatic effects test was performed in 250-mL Pyrex glass beakers using two replicates for each of 5 test substance concentrations plus a control and solvent control. Ten test organisms were placed into each of the replicate exposure solutions just after the measurements for physical parameters were performed at time 0. Observations for signs of immobility and stress were made at times 0, 3, 24, and 48 hours.The light/dark cycle of the lighting regime during the test was 16 hours on and 8 hours off, with a 30-minute transition period.
Results and discussion
Effect concentrationsopen allclose all
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- >= 1.11 mg/L
- Nominal / measured:
- meas. (geom. mean)
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Duration:
- 48 h
- Dose descriptor:
- LC50
- Effect conc.:
- > 1.11 mg/L
- Nominal / measured:
- meas. (geom. mean)
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
Any other information on results incl. tables
Nominal and measured concentrations, and Daphnia immobility
Nominal Conc. mg/L | Measured Conc.* mg/L | Number of Daphnids Immobile at | |||
0 hr | 3 hr | 24 hr | 48 hr | ||
Control A | ND | 0 | 0 | 0 | 0 |
Control B | ND | 0 | 0 | 0 | 0 |
Solvent Control A | ND | 0 | 0 | 0 | 0 |
Solvent Control B | ND | 0 | 0 | 0 | 0 |
0.50 A | 0.07 | 0 | 0 | 0 | 0 |
0.50 B | 0.07 | 0 | 0 | 0 | 0 |
1.0 A | 0.28 | 0 | 0 | 0 | 1 |
1.0 B | 0.23 | 0 | 0 | 1 | 1 |
1.5 A | 0.37 | 0 | 0 | 0 | 0 |
1.5 B | 0.25 | 0 | 0 | 0 | 1 |
3.0 A | 0.63 | 0 | 0 | 0 | 0 |
3.0 B | 0.71 | 0 | 0 | 0 | 0 |
5.0 A | 1.19 | 0 | 0 | 0 | 0 |
5.0 B | 1.03 | 0 | 0 | 1 | 1 |
*Test substance concentratiom, as determined gas chromatography with flame ionization detection (GC/FID), were mathematically derived as the geometric mean of the analyzed sample concentration values of the test solutions at times 0 and 48 hours.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Executive summary:
The study report indictes that a definitive test and a limit test had been performed previously that experienced issues related to entrapment of the daphnids due to testing at concentrations above the solubility limit. The current study was designed to reduce the loading closer to the solubility limit to avoid these recognized problems. In this study the acute toxicity of the test substance to Daphnia magna was determined in a 48-hour, static, aquatic effects test. The replicate exposure solutions were prepared by the addition of the appropriate amount of the test substance stock solution to each test vessel containing dilution water at nominal concentrations of 0.5, 1, 1.5, 3, and 5 mg/L. The stock solution was prepared in the carrier solvent N,N-dimethylformamide, as the test substance had negligible aqueous solubility. Samples of the exposure solution containing the test substance, and the controls, were submitted to for chemical analysis. The endpoints reported in this study are based on the geometric mean of the analyzed solutions at times 0 and 48 hours, averaged over the replicates. The analyzed exposure concentration values were determined by gas chromatography with flame ionization detection (GC/FID). The 48-hour EC50 value for Daphnia magna, pooled replicates A and B, was determined to be >1.11 mg/L. The 48-hour No-Observed-Effect Concentration (NOEC) value for Daphnia magna was determined to be ≥ 1.11 mg/L for pooled replicates A and B. The study demonstrates that the test substance does not exhibit toxicity at the limit of aqueous solubility.
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