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EC number: 204-977-6 | CAS number: 130-15-4
- 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
Endpoint summary
Administrative data
Description of key information
An in vivo dermal irritation study is available for the substance which indicates that the substance is corrosive to skin. As such, no in vitro or in vivo eye irritation/corrosion studies are considered necessary as the substance would be deemed corrosive. An Alarie test which can be used to assess the potential for respiratory irritation is also available.
Key value for chemical safety assessment
Skin irritation / corrosion
Link to relevant study records
- Endpoint:
- skin irritation: in vivo
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Deviations:
- no
- GLP compliance:
- yes
- Species:
- rabbit
- Strain:
- other: Japanese White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Japan Laboratory Animals, Inc.
- Age at study initiation: 18 weeks
- Weight at study initiation: 3.09 Kg
- Housing: Individually in aluminium cages.
- Diet (e.g. ad libitum): Free access to pelleted rabbit diet.
- Water (e.g. ad libitum): tap water
- Acclimation period: 13 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 20 to 25°C
- Humidity (%): 46 to 71%
- Air changes (per hr): 11 to 14 times per hour
- Photoperiod (hrs dark / hrs light): 12 hour light/dark cycle
- Type of coverage:
- semiocclusive
- Preparation of test site:
- clipped
- Vehicle:
- unchanged (no vehicle)
- Controls:
- not required
- Amount / concentration applied:
- TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 0.5 g
- Duration of treatment / exposure:
- Seperate exposures of 3 minutes, one hour and four hours also with a control area all on the same animal.
- Observation period:
- 1 hour after the 4 hour test substance exposure.
- Number of animals:
- Only one animal was required (as corrosive effects were observed)
- Details on study design:
- TEST SITE
- Area of exposure: Back of the rabbit
- % coverage: the test substance was applied on a 2.5 x 2.5 cm lint patch
- Type of wrap if used: Lint patch lined with linseed oil paper and moisturised with 0.5 mL of water. The patch was covered with tape and fixed.
REMOVAL OF TEST SUBSTANCE
- Washing (if done): The application areas were wiped with absorbent cotton wet with water.
- Time after start of exposure: 3 minutes, 1 hour and 4 hours.
OBSERVATION TIME POINTS
(indicate if minutes, hours or days). 3 minutes, 1 hour and 4 hours of exposure (followed by 1 hour after each exposure period)
SCORING SYSTEM:
- Method of calculation: Draize criteria (1959).
METHOD:
- On the day of application, the back was separated into right and left along with the midline (head to tail) to prepare four areas for the substance to be applied. The following steps then occured:
- Application to the area exposed for three minutes. The test substance of 0.5 g was placed on a lint patch. The lint patch was applied to the application area as above. The lint patch on the application area was removed three minutes after application, the application area was wiped with absorbent cotton wet with water for injection and then the animal was returned into the cage.
- Application to the area exposed for an hour. As no corrosion changes were observed one hour after the removal of the test substance in the first step, the test substance was applied on another test area by the same procedures. The lint patch on the applied area was removed an hour after the application, the applied area was wiped by the same procedures in the first step and then the animal was returned into the cage.
- Application to the area exposed for four hours. As no corrosion changes were observed one hour after the removal of the test substance in the second step, the test substance was applied on another test area by the same procedures. A lint patch (2.5 × 2.5 cm) only, which was lined with oil paper at the same time, was applied on another application area to act as the control. The lint patch on the application site was removed four hours after application and the animal was returned to the cage. The wiping of the application area were performed by the same procedures in the earlier steps.
- Clinical signs were observed in the animal immediately after application and an hour after removal in each step. After the experiment was completed, the animal was euthanised. - Irritation parameter:
- erythema score
- Basis:
- animal #1
- Time point:
- other: 4 hour exposure, 1 hour observation
- Score:
- 4
- Max. score:
- 4
- Reversibility:
- not specified
- Remarks on result:
- other: Scoring time for corrosion studies not 24/48/72 hours in isolation
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Time point:
- other: 4 hour exposure, 1 hour observation
- Score:
- 4
- Max. score:
- 4
- Reversibility:
- not specified
- Remarks on result:
- other: Scoring time for corrosion studies not 24/48/72 hours in isolation
- Irritation parameter:
- erythema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Remarks on result:
- not measured/tested
- Remarks:
- Not relevant as test substance corrosion observed after 4 hours
- Irritation parameter:
- edema score
- Basis:
- mean
- Time point:
- 24/48/72 h
- Remarks on result:
- not measured/tested
- Remarks:
- Not relevant as test substance corrosion observed after 4 hours
- Irritant / corrosive response data:
- After 3 minutes of exposure no erythema or oedema was observed in the area exposed to the test substance at the time point of an hour after removal of application. No corrosive change was also observed.
Grade 1 erythema and grade 3 oedema were observed in the area exposed to the test substance for an hour, at the time of an hour after removal of application. No corrosive change was observed.
Grade 4 severe erythema (injuries in depth) and grade 4 severe oedema were observed at the time of an hour after removal of the test substance for the 4 hour exposure. Brown necrosis and occurrence of changes considered to be irreversible tissue damages were observed and therefore it was judged to be corrosive.
No further animals were tested as the substance showed conclusive corrosive effects leading to classification. There was also no skin reaction in the control area. - Other effects:
- No other effects or signs of systemic toxicity were noted.
- Interpretation of results:
- Category 1C (corrosive) based on GHS criteria
- Conclusions:
- The test substance was deemed to be corrosive in an in vivo dermal irritation study with sub-categorisation in accordance with UN GHS and the CLP Regulation (EC No.1272/2008) possible.
Reference
Endpoint conclusion
- Endpoint conclusion:
- adverse effect observed (corrosive)
Eye irritation
Endpoint conclusion
- Endpoint conclusion:
- no study available
Respiratory irritation
Endpoint conclusion
- Endpoint conclusion:
- adverse effect observed (irritating)
Additional information
Justification for classification or non-classification
In an available in vivo dermal irritation study, the test substance caused corrosive effects (necrosis) after a 4 hour exposure period which was observed 1 hour after exposure. No corrosive effects were observed after a 3 minute and 1 hour exposure period (observed 1 hour following the exposures). Accordingly, classification as Skin Corrosion Category 1C (H314) is deemed appropriate based on UN GHS and the CLP regulation (EC No. 1272/2008, as amended).
As the substance is deemed to be corrosive to skin, the relevant eye irritation/corrosion studies were not conducted as the hazard statement, however, the classification of Eye Damage 1. (H318) is automatically applied due the assignment of Skin Corrosion Cat. 1C (H314) to this substance.
In a guideline Alarie test an RD50 value of 0.0038 mg/L was obtained for the early phase of exposure. Although this study was not deemed adequate or required for REACH purposes, evidence of respiratory irritation was noted and a conservative classification as STOT SE 3 (H335) is applied.
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.
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