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Reaction mass of Sodium 2-(2 or 3-{[(chloroacetyl)amino]methyl}-4-{[4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracen-1-yl]amino}phenoxy)-5-methylbenzenesulfonate and Sodium 2-(3 or 2-{[(chloroacetyl)amino]methyl}-4-{[4-(cyclohexylamino)-9,10-dioxo-9,10-dihydroanthracen-1-yl]amino}phenoxy)-5-methylbenzenesulfonate
EC number: 942-981-6 | 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

Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
- Endpoint:
- toxicity to microorganisms
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1976
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Qualifier:
- no guideline followed
- Principles of method if other than guideline:
- None
- GLP compliance:
- no
- Specific details on test material used for the study:
- None
- Analytical monitoring:
- not specified
- Details on sampling:
- No data
- Vehicle:
- not specified
- Details on test solutions:
- No data
- Test organisms (species):
- activated sludge, domestic
- Details on inoculum:
- Bacteria:
Bacteria used have to be isolated from sewage sludge. The original German document provided as an annex to this paper lists a number of gram positive and gram negative bacteria that need to be screened.
Bacterial pre-cultures:
Once per week a pre-culture is prepared taking one inoculation loop of bacteria from an agar plate (BHI-agar) to be cultivated in Nutrient-Broth medium. Each day one inoculation loop from this pre-culture is used to inoculate 5 ml of Nutrient-Broth which is then cultured at 22 °C.
Active sewage sludge or activated sludge:
This is taken from the aerated compartment of an Husmann apparatus and has to be prepared freshly on a weekly basis. - Test type:
- not specified
- Water media type:
- not specified
- Limit test:
- no
- Total exposure duration:
- 24 h
- Remarks on exposure duration:
- No data
- Post exposure observation period:
- No data
- Hardness:
- No data
- Test temperature:
- 25 ± 2 °C
- pH:
- No data
- Dissolved oxygen:
- No data
- Salinity:
- No data
- Nominal and measured concentrations:
- TEST CONCENTRATIONS
Tested are 1, 5, 10, 20, 50, 100, 200 and 300 ppm of a test substance. In special cases 1, 3.2, 10, 32, 100, 320 and 1000 ppm are used (as indicated in the short report). A dilution scheme is attached to the original German version of the method description. 0.2 ml of the dilution is mixed with 15 ml of liquid nutrient agar (tempered to 45 °C) and plated on sterile petri dishes (agar incorporation test). Solvent and growth controls have to be used in parallel. In case of the suspension test 0.1 ml of dilutions are mixed with 4.5 ml of Nutrient broth in a test tube. - Details on test conditions:
- Suspension Test:
Test tubes are inoculated with one drop of the bacteria sewage sludge suspension and incubated for 12-24 hours at 25 ± 2 °C in an incubator. - Reference substance (positive control):
- not specified
- Duration:
- 21 d
- Dose descriptor:
- IC50
- Effect conc.:
- > 300 mg/L
- Nominal / measured:
- nominal
- Conc. based on:
- test mat.
- Basis for effect:
- growth inhibition
- Details on results:
- No data
- Results with reference substance (positive control):
- No data
- Reported statistics and error estimates:
- No data
- Validity criteria fulfilled:
- not specified
- Conclusions:
- BST >300 mg/l
- Executive summary:
BST >300 mg/l
Reference
Description of key information
Activated sludge was exposed to FAT 20077 to assess the toxicity to microorganisms. About 100 ml of the underrun of a STP is taken and filtered through a sterile filter. Subsequently this filtrate is used to prepare the following dilutions. The toxicity value to activated sludge for FAT 20077 was found to be greater than 300 mg/
Key value for chemical safety assessment
- EC50 for microorganisms:
- 300 mg/L
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.

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