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EC number: 700-578-0 | 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
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: see 'Remark'
- Remarks:
- The reliability is rated 2 because the study followed a standard guideline of reference (OCDE 301 B), which describes a procedure designed to evaluate this endpoint. The results were reviewed for reliability and assessed as valid. However the study was not conducted under GLP condition.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 B (Ready Biodegradability: CO2 Evolution Test)
- Deviations:
- no
- GLP compliance:
- no
Test material
- Reference substance name:
- Mono and bis and tris{tris[4-(mono and dimethylamino)phenyl]methylium} [12,21,30,32-tetrahydro-29H,31Hphthalocyanine- mono, bis and trisulfonato-k4N29,N30,N31,N32]cuprate.
- IUPAC Name:
- Mono and bis and tris{tris[4-(mono and dimethylamino)phenyl]methylium} [12,21,30,32-tetrahydro-29H,31Hphthalocyanine- mono, bis and trisulfonato-k4N29,N30,N31,N32]cuprate.
- Details on test material:
- - Name of test material (as cited in study report): Sepisol Fast Violet 2B
- Substance type: organocopper
- Lot/batch No.:423393
Constituent 1
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
PHYSICO-CHEMICAL PROPERTIES
- Water solubility (under test conditions): 2 mg/L
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic (adaptation not specified)
- Duration of test (contact time):
- 28 d
Initial test substance concentrationopen allclose all
- Initial conc.:
- 10 mg/L
- Based on:
- other: TOC (total organic carbon)
- Initial conc.:
- 15.5 mg/L
- Based on:
- test mat.
Parameter followed for biodegradation estimation
- Parameter followed for biodegradation estimation:
- CO2 evolution
- Details on study design:
- TEST CONDITIONS
- Test temperature:20 °C +/- 2
TEST SYSTEM
- Details of trap for CO2 and volatile organics if used:the barium hydroxide absorber closesy to the test vessel was disconneted and titrate thanks to sulfochromic oxidation (NF ISO 14235).
Reference substance
- Reference substance:
- acetic acid, sodium salt
Results and discussion
- Test performance:
- The CO2 quantity produced by the "blank control" is 22 mg at the end of the 28th day. This result is below the admitted threshold of 40 mg
The sample made of the test material and the reference substance (sodium acetate) is biodegraded at 28% following a 14 days period.
Toxicity check: combined degradation of 28% for the reference and test substances, indicating the test substance was not toxic to the microbial
populations in the inoculum.
% Degradation
- Parameter:
- % degradation (CO2 evolution)
- Value:
- 54
- Sampling time:
- 28 d
BOD5 / COD results
- Results with reference substance:
- 75% of biodegradation at the 14th days
% of biodegradation is higher than 60 % at the 14th day (75%)
Any other information on results incl. tables
The following results are presented as the mean of the two assays:
|
Number of days |
|||||||||||
1 |
2 |
6 |
9 |
12 |
14 |
16 |
19 |
21 |
23 |
28 |
28* |
|
Control : Na acetate |
13.3 |
6.6 |
8.5 |
3.8 |
11.9 |
4.6 |
6.6 |
0.7 |
0.2 |
4.6 |
4.84 |
4.18 |
Violet 2B 10 mg/L of TOC |
2.2 |
1.65 |
1.8 |
2.4 |
8.3 |
1.3 |
3.0 |
3.5 |
0.7 |
3.0 |
4.0 |
6.1 |
Inhibition Control |
4.3 |
14.52 |
3.3 |
5.0 |
4.4 |
4.6 |
3.0 |
1.7 |
0.3 |
1.9 |
4.1 |
2.5 |
Blank control |
2.2 |
1.65 |
1.8 |
2.4 |
2.1 |
1.3 |
3.0 |
0.3 |
0.0 |
1.9 |
3.1 |
2.5 |
|
Number of days |
|||||||||||
Corrected CO2 |
1 |
2 |
6 |
9 |
12 |
14 |
16 |
19 |
21 |
23 |
28 |
28* |
Control : Na acetate |
11.1 |
5.0 |
6.7 |
1.4 |
9.8 |
3.3 |
3.6 |
0.4 |
0.2 |
2.8 |
1.8 |
1.7 |
Violet 2B 10 mg/L of TOC |
0.0 |
0.0 |
0.0 |
0.0 |
6.2 |
0.0 |
0.0 |
3.2 |
0.7 |
1.1 |
0.9 |
3.5 |
Inhibition Control |
2.1 |
12.9 |
1.4 |
2.6 |
2.3 |
3.3 |
0.0 |
1.3 |
0.3 |
0.0 |
1.0 |
0.0 |
CO2 produced in mg following “removal” of the “blank control” values
|
Number of days |
|||||||||||
1 |
2 |
6 |
9 |
12 |
14 |
16 |
19 |
21 |
23 |
28 |
28* |
|
Reference compounds |
22% |
32% |
46% |
48% |
68% |
75% |
82% |
83% |
83% |
89% |
92% |
95% |
Violet 2B 10 mg/L of TOC |
0% |
0% |
0% |
0% |
22% |
22% |
22% |
33% |
35% |
39% |
42% |
54% |
Inhibition Control |
3% |
19% |
21% |
24% |
27% |
31% |
31% |
33% |
33% |
33% |
35% |
35% |
Degradation percentage comparing ThCO2
*after adding hydrochloric acid to each test vessel to drive off the carbon dioxide present in the test suspensions (left as carbonates and bicarbonates)
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- not inherently biodegradable
- Conclusions:
- Under the test condition, the biodegradation percentage of the test material (10 mg/L of TOC) has been assessed as 54% after a 28 days period
of incubation. The % of biodegradation of the reference substance, sodium acetate, is greater than 60 % (75%) at the 14th days. According the guideline OCDE 301, the degradation has failed to reach the 60 % thresholf and this is not considered to be readily biodegradable. - Executive summary:
The test item Sepisol Fast Violet 2B was tested using the OCDE method 301B (CO2 evolution) also named Modified Sturm Test.
Activated sludge from domestic wastewater treatment plant was used.
15,5 mg/L of the test material (corresponding to a TOC of 10mg/L) was added to the mineral medium.
The theoric CO2 quantity was calculated to be 29 mg (= ThCO2). No organic solvents were used to facilitate the dispersion of the test material.
Each test vessel was connected to a series of 4 absorption bottles, 3 of them containing 4g/L of barium hydroxyde solution and one containing a sodium hydroxide solution. The test was started by bubbling CO2-free air through the suspensions.
CO2 evolution from the test suspensions, inoculum blanks and the reference substance were followed in parallel.
Controls: blank and positive controls (sodium acetate), abiotic and toxicity cheks were included. Sodium acetate was used as the positive control.
Analytical method: for measurement of evolved C02, the barium hydroxide absorber closesy to the test vessel was disconneted and titrate thanks to sulfochromic oxidation (NF ISO 14235).
Under the test condition, the biodegradation percentage of the test material (10 mg/L of TOC) has been determined as 54 % after a 28 days period of incubation. The % of biodegradation of the reference substance, sodium acetate, is greater than 60 % (75%) at the 14th days. According the guideline OCDE 301, the degradation has failed to reach the 60 % threshold and the test item is not considered to be readily biodegradable.
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