Registration Dossier
Registration Dossier
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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
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EC number: 435-780-5 | 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: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 29 April 1987 to 6 May 1987
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 987
- Report date:
- 1987
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
Test material
- Test material form:
- liquid: viscous
- Details on test material:
- - Appearance: amber-coloured, slightly viscous liquid
- Storage conditions: room temperature
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Nottingham University, School of Agriculture, Sutton Bonington, Leicestershire, UK and David Percival Ltd., Moston, Sandbach, Cheshire, UK
- Age at study initiation: ca. 12 - 16 weeks
- Weight at study initiation: 2.40 - 3.12 kg
- Housing: Animals were housed individually in suspended metal cages
- Diet: ad libitum (Rabbit Diet, Preston Farmers Ltd., New Leake, Lincolnshire)
- Water: ad libitum
- Acclimation period: 5 days (minimum)
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 17 - 21 °C
- Humidity (%): 50 - 60 %
- Air changes (per hr): ca. 15 air changes per hour
- Photoperiod (hrs dark / hrs light): 12 hours dark / 12 hours light
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- unchanged (no vehicle)
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 mL - Duration of treatment / exposure:
- 4 h
- Observation period:
- 72 hours
- Number of animals:
- 3
- Details on study design:
- TEST SITE
- Area of exposure: ca. 24 hours before treatment, the dorsal/flank fur was clipped free of fur
- Coverage: each animals was treated by dermal application of 0.5 mL of test material
- Type of wrap if used: the test material was covered with a gauze patch of 2.5 x 2.5 cm. The patch was secured with surgical tape.
REMOVAL OF TEST SUBSTANCE
- Washing (if done): four hours after application, the dressing was removed and the skin cleaned by gentle swabbing with cotton wool soaked in diethyl ether.
SCORING SYSTEM: skin reaction were scored using the Draize scoring system 1, 24, 48 and 72 hours after removal of test material.
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Remarks:
- (mean score 1)
- Time point:
- other: overall at 24, 48 and 72 h
- Score:
- 0.3
- Max. score:
- 1
- Reversibility:
- fully reversible within: 48 hours
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Remarks:
- (mean score 2)
- Time point:
- other: overall at 24, 48 and 72 h
- Score:
- 1
- Max. score:
- 1
- Reversibility:
- fully reversible within: 7 days
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Remarks:
- (mean score 3)
- Time point:
- other: overall at 24, 48 and 72 h
- Score:
- 1
- Max. score:
- 1
- Reversibility:
- fully reversible within: 7 days
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Remarks:
- (mean score 1)
- Time point:
- other: overall at 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 0
- Irritation parameter:
- edema score
- Basis:
- animal #2
- Remarks:
- (mean score 2)
- Time point:
- other: overall at 24, 48 and 72 h
- Score:
- 0.3
- Max. score:
- 1
- Reversibility:
- fully reversible within: 48 hours
- Irritation parameter:
- edema score
- Basis:
- animal #3
- Remarks:
- (mean score 3)
- Time point:
- other: overall at 24, 48 and 72 h
- Score:
- 0
- Max. score:
- 0
- Irritant / corrosive response data:
- Very slight erythema was noted at one treated skin site one hour after removal of the patches. Very slight erythema with or without oedema was noted at all treated skin sites at the 24-hour observation and at two treated skin sites at the 48 and 72-hour observations. Desquamation was also noted at one of these treated skin sites at the 72-hour observation. Desquamation only was apparent at two treated skin sites seven days after treatment.
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Under the conditions of the study the test material was found not to be a skin irritant.
- Executive summary:
The potential of the test material to cause skin irritation was investigated in a study which was conducted under GLP conditions and in accordance with the standardised guideline OECD 404.
During the study three rabbits were exposed to 0.5 mL test material onto clipped skin for 4 hours using a semi-occulsive dressing. Skin reactions were assessed 1, 24, 48 amd 72 hours after exposure.
Exposure to the test material resulted in very slight erythema at one treated skin site one hour after removal of the patches. Very slight erythema with or without oedema was noted at all treated skin sites at the 24-hour observation and at two treated skin sites at the 48 and 72-hour observations. Desquamation was also noted at one of these treated skin sites at the 72-hour observation. Desquamation only was apparent at two treated skin sites seven days after treatment.
Based on these results, the test material was concluded not to be a skin irritant.
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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