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EC number: 292-222-1 | CAS number: 90583-23-6
- 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
Link to relevant study record(s)
- Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 01 Mar - 03 Mar 1995
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- other: EG-guideline EG/92/69/EWG
- GLP compliance:
- yes
- Analytical monitoring:
- yes
- Details on sampling:
- - Concentrations: 0, 0.6, 1.3, 2.5, 5.0 and 10.0 mg/L
- Vehicle:
- no
- Test organisms (species):
- Daphnia magna
- Details on test organisms:
- TEST ORGANISM
- Common name: waterflea
- Strain: Clone 5
- Source: in-house culture
- Age at study initiation (mean and range, SD): <24 hours
- Method of breeding: Daphnids held in 1 L beakers with M4 Medium (Elendt), every 2-3 days juveniles are removed and water changed, every 4 weeks a generation change is induced by continuing the breeding with juveniles only
- Feeding during test: no
ACCLIMATION (in-house culture conditions)
- Type and amount of food: Scenedesmus subspicatus ad libidum
- Feeding frequency: daily
- Test type:
- static
- Water media type:
- freshwater
- Limit test:
- no
- Total exposure duration:
- 48 h
- Hardness:
- no data
- Test temperature:
- 20 ± 1 °C
- pH:
- Test end: 7.8 - 8.3
- Dissolved oxygen:
- Test end: 7.2 - 8.2 mg/L
- Nominal and measured concentrations:
- Nominal: 0, 0.6, 1.3, 2.5, 5.0 and 10.0 mg/L
- Details on test conditions:
- TEST SYSTEM
- Test vessel: 10 mL hourglasses
- No. of organisms per vessel: 5
- No. of vessels per concentration (replicates): 4
- No. of vessels per control (replicates): 4
EFFECT PARAMETERS MEASURED (with observation intervals if applicable) : mobility, daily - Reference substance (positive control):
- no
- Remarks:
- Reference substances potassium dichromate was tested in a separate study
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 4.7 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: C.L.: 2.5 - 5.0 mg/L
- Duration:
- 48 h
- Dose descriptor:
- NOEC
- Effect conc.:
- 2.5 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Results with reference substance (positive control):
- Potassium dichromate was tested as reference substance in a separate test (11 Jan 1995)
- Results with reference substance valid? yes
- Mortality: 100% immobilised at 2 mg/L; 35% immobilised at 1 mg/L - Endpoint:
- short-term toxicity to aquatic invertebrates
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- Refer to the Category Approach Justification document provided in IUCLID6 Section 13
- Reason / purpose for cross-reference:
- read-across source
- Duration:
- 48 h
- Dose descriptor:
- EC50
- Effect conc.:
- 4.7 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- mobility
- Remarks on result:
- other: Source, key, CAS 85586-07-8, 1995
Referenceopen allclose all
Description of key information
48h EC50 (Daphnia magna, mobility) = 4.7 a.i.m/L (nominal concentration, EG/92/69/EWG)
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 4.7 mg/L
Additional information
Since no reliable chronic tests involving aquatic invertebrates are available for C12-14AS Mg (CAS 90583-23-6), a read-across to structurally related category members was conducted in accordance to Regulation (EC) No. 1907/2006 Annex XI, 1.5. Read-across data from a similar substance, C12-14 AS Na (CAS 85586-07-8) were used. Toxicity of alkyl sulfates is dependent on the carbon chain length and the influence of the counter ion can be neglected.
One short term toxicity test with aquatic invertebrates is available for C12-14 AS Na (CAS 85586-07-8, Elementis, 1995). This GLP test was preformed according to the guideline EG/92/69/EWG under static conditions. Young daphnids were exposed to five test concentrations up to 10 mg a.i./L. The EC50 value after 48h was determined to be 4.7 mg a.i./L. Measured concentrations were in agreement with the nominal concentrations.
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