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Diss Factsheets
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EC number: 700-149-8 | 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_toxicological-information.png)
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation / corrosion
- Remarks:
- in vitro
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2008-06-12 till 2008-06-16
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- other: OECD Guideline 423 (In vitro skin corrosion: Human Skin Model Test)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.40 (In Vitro Skin Corrosion: Transcutaneous Electrical Resistance Test (TER))
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Details on test material:
- - public name of test material:
Reaction mass of 6,13-dichloro-3,10-bis{[2-({[(2-chloroethyl)sulfonyl]alkanoyl}amino)ethyl]-amino}- polycarboheterocyclo 4,11-disulfonic acid, mono and/or disodium salt and 6,13-dichloro-3-{[2-({[(2-chloroethyl)sulfonyl]alkanoyl}amino) ethyl]amino}-10-[(2-{[4-(ethenylsulfonyl)alkanoyl]amino}ethyl)amino] polycarboheterocyclo -4,11-disulfonic acid, mono and/or di sodium salt
- Physical state: solid, dark blue powder
- Analytical purity: approx. 86.6%
- Lot/batch No.: VER 2108 BOP 02/07
- Expiration date of the lot/batch: November 30, 2012
Constituent 1
Test animals
- Species:
- other: human skin model: EpiDerm(TM)
- Strain:
- other: human skin model: EpiDerm(TM)
- Details on test animals or test system and environmental conditions:
- not applicable, in vitro test
Test system
- Type of coverage:
- other: not applicable, in vitro test
- Preparation of test site:
- other: not applicable, in vitro test
- Vehicle:
- other: not applicable, in vitro test
- Controls:
- other: not applicable, in vitrot test
- Amount / concentration applied:
- 25 mg of test item
- Duration of treatment / exposure:
- 2 treatment intervals: 3 minutes and 1 hour
- Number of animals:
- not applicable, in vitro test
- Details on study design:
- Duplicate EpiDerm™ tissues were treated with the test item, positive, and negative
controls for 2 different treatment intervals: 3 minutes and 1 hour.
After pre-incubation of EpiDerm™ tissues was completed (1 hour 15 minutes for the 3
minutes treatment, 1 hour 5 minutes for the 1 hour treatment) medium was replaced by
0.9 mL fresh assay medium in all four 6-well plates. 50 μL deionised water (negative
control) were added into the first insert atop the EpiDerm tissue. The procedure was
repeated with the second tissue. It was proceeded with test item and the positive control
in the same manner until all tissues of the same treatment interval were dosed. The 6-well
plates were placed into the incubator (37 ± 1.5 °C, 5 ± 0.5% CO2).
After the end of the treatment interval the first insert was removed immediately from the 6-
well plate. Using a wash bottle the tissue was gently rinsed with PBS to remove any
residual test material. Excess PBS was removed by gently shaking the insert and blotting
the bottom with blotting paper. The insert was placed in the prepared holding plate. It was
proceeded with test
Results and discussion
In vivo
- Irritant / corrosive response data:
- In the present study the test item test material was tested for its potential to induce
skin corrosion in a human skin model. The test allows the discrimination between
corrosive and non-corrosive chemical substances and mixtures. It does not provide
information on skin irritation, nor does it allow the subcategorisation of corrosive
substances according to GHS.
Any other information on results incl. tables
Results after Treatment with test material
Dose group |
Treat-ment Interval |
Absorbance 570 nm Tissue 1* |
Absorbance 570 nm Tissue 2* |
Mean Absorbance of 2 Tissues |
Rel. Absorbance [% of Negative Control]** |
Negative Control |
3 min |
1.375 |
1.338 |
1.356 |
100.0 |
Positive Control |
3 min |
0.258 |
0.278 |
0.268 |
19.8 |
FAT 40841/A TE |
3 min |
1.410 |
1.254 |
1.332 |
98.2 |
Negative Control |
1 hour |
1.411 |
1.341 |
1.376 |
100.0 |
Positive Control |
1 hour |
0.111 |
0.120 |
0.115 |
8.4 |
FAT 40841/A TE |
1 hour |
1.261 |
1.393 |
1.327 |
96.5 |
* Mean of three replicate wells after blank correction
** relative absorbance [rounded values]: 100 x (absorbancetest item) / (absorbancenegative control)
Optical evaluation of the MTT-reducing capacity of the test item after 1 hour incubation with MTT-reagent blue colour could not be observed, since the test item was strongly coloured by itself.
Applicant's summary and conclusion
- Interpretation of results:
- other: not corrosive
- Conclusions:
- It can be stated that in this study (human skin model) and under the experimental conditions
reported, the test item test material is non corrosive to skin. - Executive summary:
This in vitro study was performed to assess the corrosive potential of test material by means of the Human Skin Model Test.
Two tissues of the human skin model EpiDerm™ were treated with either the test item, the negative or the positive control for 3 minutes and 1 hour, respectively.
About 25 mg of the test item were applied to each tissue, wetted with 25 μL deionised water, and spread to match the tissue size. 50 μL of either the negative control (deionised water) or the positive control (8.0 N KOH) were applied to each tissue. After treatment with the negative control the absorbance values were well above the required acceptability criterion of mean OD ≥ 0.8 for both treatment intervals thus showing the quality of the tissues.
Treatment with the positive control induced a decrease in the relative absorbance as compared to the negative control both for the 3 minutes treatment interval and for the 1 hour treatment interval thus ensuring the validity of the test system.
After treatment with the test item test material the relative absorbance values were not relevantly decreased both after 3 minutes and after 1 hour treatment. Therefore, the test item is not considered corrosive.
In conclusion, it can be stated that in this study and under the experimental conditions reported, the test item test material is non corrosive to skin.
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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