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Reaction mass of N,N-ethanediylbis- Hexadecanamide, N-[2-[(1-oxohexadecyl)amino]ethyl]-Octadecanamide, Hexadecanoic acid, 12-hydroxystearic acid, reaction products with ethylenediamine, N,N-ethanediylbis-Octadecanamide and Octadecanoic acid, 12-hydroxystearic acid, reaction products with ethylenediamine
EC number: 906-763-4 | 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
Skin irritation / corrosion
Administrative data
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 006
- Report date:
- 2006
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Principles of method if other than guideline:
- With the exception that the test item was put on a surgical gauze patch of approximately 4 cm x 4 cm (instead of 6 cm²) to guarantee a good contact and uniform distribution of the test item on the skin, the study procedures described in this report meet or exceed the requirements of the following guidelines:
OECD Guidelines for Testing of Chemicals, Section 4, number 404 "Acute Dermal Irritation / Corrosion", adopted April 24, 2002.
Commission Directive 2004/73/EC, B.4. "Acute Toxicity: Dermal Irritation/Corrosion", April 29, 2004. - GLP compliance:
- yes
Test material
- Reference substance name:
- Reaction mass of N,N-ethanediylbis- Hexadecanamide, N-[2-[(1-oxohexadecyl)amino]ethyl]-Octadecanamide, Hexadecanoic acid, 12-hydroxystearic acid, reaction products with ethylenediamine, N,N-ethanediylbis-Octadecanamide and Octadecanoic acid, 12-hydroxystearic acid, reaction products with ethylenediamine
- EC Number:
- 906-763-4
- Molecular formula:
- not applicable, mixture of substances
- IUPAC Name:
- Reaction mass of N,N-ethanediylbis- Hexadecanamide, N-[2-[(1-oxohexadecyl)amino]ethyl]-Octadecanamide, Hexadecanoic acid, 12-hydroxystearic acid, reaction products with ethylenediamine, N,N-ethanediylbis-Octadecanamide and Octadecanoic acid, 12-hydroxystearic acid, reaction products with ethylenediamine
- Test material form:
- other: Nearly white solid
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Harlan Netherlands BV
- Age at study initiation: 14 - 15 weeks (male); 13 - 15 weeks (females)
- Housing: Individually in stainless steel cages equipped with feed hoppers and drinking water bowls. Wood blocks (RCC Ltd, Füllinsdorf) and haysticks 4642 (batch no. 77/05, Provimi Kliba AG) were provided for gnawing.
- Diet (e.g. ad libitum): Pelleted standard Provimi Kliba 3418 rabbit maintenance diet ad libitum (batch no. 85/05) provided by Provimi Kliba AG, CH-4303 Kaiseraugst.
- Water (e.g. ad libitum): Community tap water from Füllinsdorf, ad libitum.
- Acclimation period: 24-MAY-2006 to 28-MAY-2006
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 17-23 °C
- Humidity (%): 30-70 %
- Air changes (per hr): 10-15
- Photoperiod (hrs dark / hrs light): 12/12
IN-LIFE DATES:
From: 24.05. To: 01.06.2006
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- water
- Amount / concentration applied:
- 0.5 g (per animal) of the test item was weighed as delivered by the Sponsor and then moistened with approximately 0.5 mL of purified water before application. The pH of the test item was measured before the study initiation date. A formulation of a 1 % (w/w) solution was prepared. The pH was found to be 5 - 6. According to Commission Directive 2004/73/EC, B.4. and OECD Guidelines 404, a test item needs not to be tested if the pH-value is less than 2 or greater than 11.5, owing to its predictable corrosive properties.
- Duration of treatment / exposure:
- Four days before treatment, the left flank was clipped with an electric clipeer, exposing an area of approximately 100 cm² (10 cm x 10 cm). The skin of the animals was examined one day before treatment, and regrown fur of all animals was clipped again. Animals with overt signs of skin injury or marked irritation which may have interfered with the interpretation of the results were not used in the test. On the day of treatment, 0.5 g of the test item was placed on a surgical gauze patch (ca. 4 cm x 4 cm). This gauze patch was applied to the intact skin of the clipped area. The patch was covered with a semi-occlusive dressing. The dressing was wrapped around the abdomen and anchored with tape. The duration of treatment was 4 hours. Then the dressing was removed and the skin was flushed with lukewarm tap water to clean the application site so that any reactions (erythema) were clearly visible at that time.
- Observation period:
- The skin reaction was assessed at approximately 1, 24, 48 and 72 hours after exposure (removal of the dressing, gauze patch and test item).
- Number of animals:
- Number of animals per test: 3 (Animals of both sexes were used)
Age of treatment: 14-15 weeks (male); Male No. 58
13-15 weeks (females); Female Nos. 59 and 60
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Reversibility:
- fully reversible
- Irritant / corrosive response data:
- IRRITATION:
The test item did not elicit any skin reactions at the application site of any animal at any of the observation times (all scores 0). The individual mean score for erythema/eschar and oedema for each of the three animals was therefore 0.
COLORATION:
No staining produced by the test item of the treated skin was observed.
CORROSION:
Neither alterations of the treated skin were observed nor were corrosive effects evident on the skin. - Other effects:
- VIABILITY/MORTALITY/CLINICAL SIGNS:
No clinical signs of systemic toxicity were observed in the animals during the study and no mortality occurred.
BODY WEIGHTS:
The body weights of all rabbits were considered to be within the normal range of variability.
Applicant's summary and conclusion
- Interpretation of results:
- other: not irritating to rabbit skin
- Conclusions:
- Based upon the referred classification criteria (Commission Directive 2001/59/EC of August 2001), the test item is considered to be "not irritating" to rabbit skin.
- Executive summary:
The primary skin irritation potential of the substance was investigated according to OECD test guideline no. 404. The test item was applied by topical semi-occlusive application of 0.5 g to the intact left flank of each of three young adult New Zealand White rabbits. The duration of treatment was four hours. The scoring of skin reactions was performed 1, 24, 48 and 72 hours after removal of the dressing.
The test item did not elicit any skin reactions at the application site of any animal at any of the observation times (all scores 0). The individual mean score for erythema/eschar and oedema for each of the three animals was therefore 0.
The application of the substance to the skin resulted in no signs of irritation. The test item caused no staining of the treated skin. No corrosive effects were noted on the treated skin of any animal at any of the measuring intervals and no clinical signs were observed.
Based upon the referred classification criteria (Commission Directive 2001/59/EC of August 2001), the test substance is considered to be "not irritating" to rabbit skin.
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