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EC number: 619-946-6 | CAS number: 890707-29-6
- 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:
- supporting study
- Study period:
- 13.04.2009 -24.04.2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 009
- Report date:
- 2009
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- EPA OPPTS 870.2500 (Acute Dermal Irritation)
- Version / remarks:
- 1998
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 404 (Acute Dermal Irritation / Corrosion)
- Version / remarks:
- 2002
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.4 (Acute Toxicity: Dermal Irritation / Corrosion)
- Version / remarks:
- 2004
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- other: MAFF Japan Agricultural Chemicals Regulation Laws Notification 12 Nousan 8147
- Version / remarks:
- 2000
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- 2-Amino-5-cyano-N,3-dimethylbenzamide
- Cas Number:
- 890707-29-6
- Molecular formula:
- C10H11N3O
- IUPAC Name:
- 2-Amino-5-cyano-N,3-dimethylbenzamide
- Test material form:
- solid: particulate/powder
Constituent 1
Test animals
- Species:
- rabbit
- Strain:
- New Zealand White
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Covance Research Products, Denver, Pennsylvania
- Age at study initiation: Young adult, male
- Weight at study initiation: 2714–3002 g
- Housing: Animals were housed singly in stainless steel, wire-mesh cages suspended above cage boards.
- Diet: Approx. 125 grams PMI® Nutrition International, LLC Certified Rabbit LabDiet® (#5322), daily
- Water: Tap water, ad libitum
- Acclimation period: At least 7 days
ENVIRONMENTAL CONDITIONS
- Temperature (°C): 16-22
- Humidity (%): 30-70
- Air changes (per hr): Not recorded
- Photoperiod (hrs dark / hrs light): 12/12
Test system
- Type of coverage:
- semiocclusive
- Preparation of test site:
- shaved
- Vehicle:
- water
- Remarks:
- The test substance was moistened with deionised water to form a thick paste
- Amount / concentration applied:
- TEST MATERIAL
- Amount applied: Single dose of 0.5 g
VEHICLE
- Amount applied: 0.4 mL deionised water to form a thick paste - Duration of treatment / exposure:
- 4 hours
- Observation period:
- 72 hours after test substance removal
- Number of animals:
- 3 male rabbits
- Details on study design:
- TEST SITE
- Area of exposure: 6 cm2
- % coverage:
- Type of wrap if used: Semi-occusive
REMOVAL OF TEST SUBSTANCE
- Washing (if done): Yes
- Time after start of exposure: 4h
OBSERVATION TIME POINTS
1, 24, 48, 72 hours (rabbit initially treated also examined immediately after test substance removal)
SCORING SYSTEM:
- Method of calculation: According to Draize Scale
Results and discussion
In vivo
Resultsopen allclose all
- Irritation parameter:
- erythema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- erythema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #1
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #2
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
- Irritation parameter:
- edema score
- Basis:
- animal #3
- Time point:
- 24/48/72 h
- Score:
- 0
- Max. score:
- 4
- Remarks on result:
- no indication of irritation
Applicant's summary and conclusion
- Interpretation of results:
- GHS criteria not met
- Conclusions:
- Based on the mean degree of skin reaction observed at 24 to 72 hours, classification by the dermal route is not required.
- Executive summary:
The acute dermal irritation potential of the test substance was investigated according to OECD Guideline 404.
The test substance was applied as a single 0.5 g dermal dose to the shaved intact skin of a single New Zealand White rabbit. Since no corrosion occurred, 2 additional rabbits were treated. The test substance, moistened with 0.4 mL of deionized water, was applied to a 6 cm² area of skin. The application area was covered with a 2-ply gauze square which was held in place with non-irritating tape and covered with porous tape for a semi-occlusive dressing. The rabbits were exposed to the test substance for 4 hours after which the test substance was removed. Test sites were evaluated and scored by the method of Draize for signs of dermal irritation approximately 60 minutes, and 24, 48, and 72 hours after test substance removal. The rabbit that was initially treated was also examined immediately after test substance removal.
The rabbits exhibited no dermal irritation during the study. No clinical signs of toxicity were observed, and no body weight loss occurred.
According to the Globally Harmonized System (GHS) of classification and labeling of chemicals and under the conditions of this study, classification is not required.
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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