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EC number: 607-864-3 | CAS number: 26116-57-4
- 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
Acute oral toxicity:
Key study: OECD guideline 423 and EU method B.1 tris. GLP study.
LD50 oral > 2000 mg/kg bw
Acute dermal toxicity:
Key study: OECD guideline 402 and EU method B.3. GLP study.
LD50 dermal > 2000 mg/kg bw
Key value for chemical safety assessment
Acute toxicity: via oral route
Link to relevant study records
- Endpoint:
- acute toxicity: oral
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From January 19, 2006 to February 21, 2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study was performed according to OECD Guideline 423 and EU method B.1 tris, with GLP.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 423 (Acute Oral toxicity - Acute Toxic Class Method)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.1 tris (Acute Oral Toxicity - Acute Toxic Class Method)
- Deviations:
- no
- GLP compliance:
- yes
- Test type:
- acute toxic class method
- Limit test:
- no
- Species:
- rat
- Strain:
- other: Crl: CD(SD)IGS BR.
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River Deutschland GmbH, D-94633 Sulzfeld.
- Age at study initiation: approximately 8 weeks at the time of administration.
- Weight at study initiation:
Animal No. 41: 182 g
Animal No. 42: 184 g
Animal No. 43: 186 g
Animal No. 44: 192 g
Animal No. 45. 178 g
Animal No. 46: 193 g
Animal No. 51: 184 g
Animal No. 52: 194 g
Animal No. 53: 187 g
Animal No. 54: 182 g
Animal No. 55: 198 g
Animal No. 56: 190 g
- Housing: Single caging in Makrolon cages type III (39 cm x 23 cm x 18 cm). Wire mesh lids. Sanitation of cages once a week.
- Diet (e.g. ad libitum): Altromin 1324 forte (Producer: Altromin GmbH, D-32791 Lage) gamma irradiated with 25 kGy 60Co, ad libitum.
- Water (e.g. ad libitum): Tap water, offered in Makrolon bottles with stainless steel canules, ad libitum.
- Acclimation period: at least 5 days.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): Average of 22 ºC (continous control and recording)
- Humidity (%): Average of 48.0 % (continous control and recording)
- Photoperiod (hrs dark / hrs light): Artificial light from 6 a.m. to 6 p.m.
- Air change: 12 per hour - Route of administration:
- oral: gavage
- Vehicle:
- other: deionised water
- Details on oral exposure:
- VEHICLE
- Amount of vehicle (if gavage): 10 mL/kg bw
- Justification for choice of vehicle: a homogeneus suspension could be prepared with deionised water and water shall be used preferably, according to the guidelines.
MAXIMUM DOSE VOLUME APPLIED: 10 mL/kg bw
CLASS METHOD (if applicable)
- Rationale for the selection of the starting dose: as no prior information on the test substance was available, a starting dose of 300 mg/kg bw was chosen. The further proceeding was in accordance with the guideline/directive. - Doses:
- 300 and 2000 mg/kg bw
- No. of animals per sex per dose:
- 300 mg/kg bw: two goups of 3 animals each; 2000 mg/kg bw: two groups of 3 animals each.
- Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days.
- Frequency of observations and weighing:
Body weights: before administration, 7 and 14 days after administration.
Clinical observations: at least one a day (Observations: 0 - 0.5, 0.5 - 1, 1 - 2, 2 - 4 and 4 - 6 hours after administration of the test substance (p.a.) and then at least once a day for a total of 2 weeks; observations included but were not limited to changes in skin, fur, eyes, the occurrence of secretions and excretions, autonomic activity, changes in gait, posture and the presence of convulsions)
- Necropsy of survivors performed: yes - Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- All animals survived until the scheduled termination of the study.
- Clinical signs:
- other: Only the high dosed animals were affected; the findings, with an earliest onset 1 h after administration and lasting untill 6 h p.a. were: signs of reduced well-being, this term encompasses uspecific alterations like sedation, apathy, piloerection, hunche
- Other findings:
- - Other observations:
Necropsy findings: all animals were normal at necropsy 14 days p.a. - Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- No severe toxic effects of the test substance were noted by signs in life and post mortem at dose of 2000 mg test substance/kg bw (LD50 > 2000 mg/kg bw). No mortality occurred.
- Executive summary:
Assessment of acute oral toxicity of the test substance was determined according to the OECD 423 Guideline and B.1 EU Method (Acute Toxic Class Method), with CLP. The test substance was administered once orally via gavage as a suspension in deionised water to female Crl:CD(SD)IGS BR rats. The dosing was performed sequentially to groups of 3 animals per step using a starting dose of 300 mg/kg bw and 2000 mg/kg bw as the second dose. The oral LD50 value of the test substance in rats was established to exceed 2000 mg/kg body weight.
Reference
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- discriminating dose
- Value:
- 2 000 mg/kg bw
- Quality of whole database:
- Klimisch 1 and the study was carried out in accordance with internationally valid GLP principles.
Acute toxicity: via inhalation route
Endpoint conclusion
- Endpoint conclusion:
- no study available
Acute toxicity: via dermal route
Link to relevant study records
- Endpoint:
- acute toxicity: dermal
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- From January 24, 2006 to February 21, 2006
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study was performed according to OECD Guideline 402 and EU method B.3, with GLP.
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 402 (Acute Dermal Toxicity)
- Deviations:
- no
- Qualifier:
- according to guideline
- Guideline:
- EU Method B.3 (Acute Toxicity (Dermal))
- Deviations:
- no
- GLP compliance:
- yes
- Test type:
- standard acute method
- Limit test:
- yes
- Species:
- rat
- Strain:
- other: CRL: CD (SD) BR SPF
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- TEST ANIMALS
- Source: Charles River Deutschland GmbH, D-94633 Sulzfeld.
- Age at study initiation: approximately 8 weeks (males) and 12 weeks (females) at the time of administration.
- Weight at study initiation:
Animal No. 121: 275 g
Animal No. 122: 258 g
Animal No. 123: 265 g
Animal No. 124: 246 g
Animal No. 125. 258 g
Animal No. 126: 248 g
Animal No. 127: 239 g
Animal No. 128: 226 g
Animal No. 129: 230 g
Animal No. 130: 230 g
- Housing: Single caging in Makrolon cages type III (39 cm x 23 cm x 18 cm). Wire mesh lids. Sanitation of cages once a week.
- Diet (e.g. ad libitum): Altromin 1324 forte (Producer: Altromin GmbH, D-32791 Lage) gamma irradiated with 25 kGy 60Co, ad libitum.
- Water (e.g. ad libitum): Tap water, offered in Makrolon bottles with stainless steel canules, ad libitum.
- Acclimation period: at least 5 days.
ENVIRONMENTAL CONDITIONS
- Temperature (°C): Average of 21.9 ºC (continous control and recording)
- Humidity (%): Average of 48.0 % (continous control and recording)
- Photoperiod (hrs dark / hrs light): Artificial light from 6 a.m. to 6 p.m.
- Air change: 12 per hour. - Type of coverage:
- semiocclusive
- Vehicle:
- unchanged (no vehicle)
- Details on dermal exposure:
- TEST SITE
- Area of exposure: 6.5 cm x 8 cm
- % coverage: 10 % of the estimated body surface.
- Type of wrap if used: non irritating tape (Blenderm Wundpflaster, 3M)
REMOVAL OF TEST SUBSTANCE
- Washing (if done): Residual test substance was wiped off using wet cellulose tissue, if necessary.
- Time after start of exposure: 24 hours. - Duration of exposure:
- 24 hours.
- Doses:
- Range-finding study: 400, 894 or 2000 mg/kg bw.
Main study: limit-test with one dose of 2000 mg/kg bw. - No. of animals per sex per dose:
- Five
- Control animals:
- no
- Details on study design:
- - Duration of observation period following administration: 14 days.
- Frequency of observations and weighing:
Body weights: before administration, 7 and 14 days after administration.
Clinical observations: at least once per day (Observations: 0 - 0.5, > 0.5 - 1, > 1 - 2, > 2 - 4 and > 4 - 6 hours after administration of the test substance (p.a.) and then at least once a day for at least 2 weeks; observations included but were not limited to changes in skin, fur, eyes, the occurrence of secretions and excretions, autonomic activity, changes in gait, posture and the presence of convulsions)
- Necropsy of survivors performed: yes - Preliminary study:
- In a range-finding study 3 groups of one male and one female each were dosed with 400, 894 or 2000 mg/kg bw. All animals survived for 7 days p.a. Therefore a limit-test with one dose of 2000 mg/kg bw was performed.
- Sex:
- male
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- No mortality occurred.
- Clinical signs:
- other: No local or systemic effects related to administration of the test substance were noted from clinical observations. General findings: all animals were normal during the entire observation period. Observation of skin condition: exposed skin was not found t
- Other findings:
- - Other observations:
Staining of skin which is attributed to the staining properties of the test substance was observed in all animals.
Necropsy findings: all animals were normal at terminal necropsy.
Sex differences: No noteworthy sex difference in the response to the test substance was derived from clinical observations or post-mortem findings. - Interpretation of results:
- not classified
- Remarks:
- Migrated information Criteria used for interpretation of results: EU
- Conclusions:
- No local or systemic test substance effects were noted at clinical observations or post-mortem examination at a dose of 2000 mg test substance per kg body weight. The dermal LD50 value of the test substance in rats was established to exceed 2000 mg/kg body weight.
- Executive summary:
Assessment of acute dermal toxicity of the test substance was determined according to the OECD 402 Guideline and B.3 EU Method, with GLP. The test substance was administered once dermally on an area of approximately 6.5 cm x 8 cm on the dorsal thoracal region of 5 male and 5 female Sprague Dawley rats. The dose was 2000 mg/kg bw. A cellulose patch with the calculated amount of the test substance on the surface and soaked with deionised water to get optimal contact with the skin, was applied to the test site and held in place by fixing marginally with non irritating tape. Patch and tape were covered semi-occlusively by a dressing. The duration of the exposure was 24 hours. The dermal LD50 value of the test substance in rats was established to exceed 2000 mg/kg bw.
Reference
Table 1. Synopsis of the results.
Dose (mg/kg) |
Sex |
No. of animals |
Prominent findings |
||||
exposed |
affected |
deceased |
in life |
post mortem |
|||
systemic |
local |
||||||
2000 |
male |
5 |
0 |
0 |
none |
none |
none |
2000 |
female |
5 |
0 |
0 |
none |
none |
none |
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- discriminating dose
- Value:
- 2 000 mg/kg bw
- Quality of whole database:
- Klimisch 1 and the study was carried out in accordance with internationally valid GLP principles.
Additional information
Acute oral toxicity:
Key study: OECD guideline 423 and EU method B.1 tris. GLP study.
LD50 oral > 2000 mg/kg bw
Acute dermal toxicity:
Key study: OECD guideline 402 and EU method B.3. GLP study.
LD50 dermal > 2000 mg/kg bw
Justification for selection of acute toxicity – oral endpoint
Only one study available.
Justification for selection of acute toxicity – dermal endpoint
Only one study available.
Justification for classification or non-classification
Based on the available results, the substance is not classified for acute toxicity:
Oral LD50 > 2000 mg/kg bw: not classified.
Dermal LD50>2000 mg/kg bw: not classified.
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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