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EC number: 225-691-8 | CAS number: 5012-29-3
- 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
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- Nanomaterial surface chemistry
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- 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
The acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be greater than 2500 mg/kg body weight (Globally Harmonized Classification System - Unclassified).
The dermal LD50 was determined in the analogue Pigment Red 170 to be > 2000 mg / kg body weight.
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:
- Between 19 April 2016 and 10 May 2016
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted in compliance with agreed protocols, with no or minor deviations from standard test guidelines and/or minor methodological deficiencies, which do not affect the quality of the relevant results.
- 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 (incl. QA statement)
- Test type:
- acute toxic class method
- Limit test:
- yes
- Species:
- rat
- Strain:
- Wistar
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- Animal Information
Female Wistar (RccHan™:WIST) strain rats were supplied by Envigo RMS (UK) Limited, Oxon, UK. On receipt the animals were randomly allocated to cages. The females were nulliparous and non pregnant. After an acclimatization period of at least 5 days the animals were selected at random and given a number unique within the study by indelible ink marking on the tail and a number written on a cage card. At the start of the study the animals were 8 to 12 weeks of age. The body weight variation did not exceed ±20% of the mean body weight at the start of treatment.
Animal Care and Husbandry
The animals were housed in groups of up to three in suspended solid floor polypropylene cages furnished with woodflakes. With the exception of an overnight fast immediately before dosing and for approximately 3 to 4 hours after dosing, free access to mains drinking water and food (2014C Teklad Global Rodent diet supplied by Envigo RMS (UK) Limited, Oxon, UK) was allowed throughout the study. The diet, drinking water and bedding were routinely analyzed and were considered not to contain any contaminants that would reasonably be expected to affect the purpose or integrity of the study.
The temperature and relative humidity were set to achieve limits of 19 to 25 °C and 30 to 70% respectively. The rate of air exchange was at least fifteen changes per hour and the lighting was controlled by a time switch to give 12 hours continuous light and 12 hours darkness.
The animals were provided with environmental enrichment items which were considered not to contain any contaminant of a level that might have affected the purpose or integrity of the study. - Route of administration:
- oral: gavage
- Vehicle:
- arachis oil
- Details on oral exposure:
- All animals were dosed once only by gavage
- Doses:
- 2000 mg/kg
- No. of animals per sex per dose:
- 3 females per dose group, 2 dose groups
- Control animals:
- no
- Details on study design:
- Using available information on the toxicity of the test item, 2000 mg/kg was chosen as the starting dose.
Groups of fasted animals were treated as follows:
Dose Level(mg/kg) Concentration(mg/mL) Dose Volume(mL/kg) Number of RatsFemale
2000 200 10 3
2000 200 10 3
All animals were dosed once only by gavage, using a metal cannula attached to a graduated syringe. The volume administered to each animal was calculated according to the fasted body weight at the time of dosing. Treatment of animals was sequential. Sufficient time was allowed between each group to confirm the survival of the previously dosed animals.
The animals were observed for deaths or overt signs of toxicity 30 minutes, 1, 2 and 4 hours after dosing and subsequently once daily for 14 days.
Individual body weights were recorded prior to dosing and 7 and 14 days after treatment.
At the end of the observation period the animals were killed by cervical dislocation. All animals were subjected to gross pathological examination. This consisted of an external examination and opening of the abdominal and thoracic cavities for examination of major organs. The appearance of any macroscopic abnormalities was recorded. No tissues were retained. - Statistics:
- None recorded.
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Remarks on result:
- other: 95% CL not reported
- Mortality:
- Individual mortality data are given in Appendix 1.
There were no deaths. - Clinical signs:
- other: Individual clinical observations are given in Appendix 1. No signs of systemic toxicity were noted during the observation period.
- Gross pathology:
- Individual necropsy findings are given in Appendix 3.
No abnormalities were noted at necropsy. - Other findings:
- None
- Interpretation of results:
- GHS criteria not met
- Remarks:
- Migrated information
- Conclusions:
- The acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be greater than 2500 mg/kg body weight (Globally Harmonized Classification System - Unclassified).
- Executive summary:
Introduction
The study was performed to assess the acute oral toxicity of the test item in the Wistar strain rat.
Methods
A group of three fasted females was treated with the test item at a dose level of 2000 mg/kg body weight. This was followed by a further group of three fasted females at the same dose level. Dosing was performed sequentially.
The test item was administered orally as a suspension in arachis oil BP. During the observation period of 14 days clinical signs and body weight development were monitored. All animals were subjected to gross necropsy.
Results
Mortality. There were no deaths.
Clinical Observations. There were no signs of systemic toxicity.
Body Weight. All animals showed expected gains in body weight.
Necropsy. No abnormalities were noted at necropsy.
Conclusion
The acute oral median lethal dose (LD50) of the test item in the female Wistar strain rat was estimated to be greater than 2500 mg/kg body weight (Globally Harmonized Classification System - Unclassified).
Reference
Appendix 1 Individual Clinical Observations and Mortality Data
Dose Level mg/kg |
Animal Number and Sex |
Effects Noted After Dosing |
Effects Noted During Period After Dosing |
||||||||||||||||
½ |
1 |
2 |
4 |
1 |
2 |
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
13 |
14 |
||
2000 |
1-0 Female |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1-1 Female |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
1-2 Female |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2-0 Female |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2-1 Female |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
2-2 Female |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0= No signs of systemic toxicity
Appendix 2 Individual Body Weights and Body Weight Changes
Dose Level |
Animal Number |
Body Weight (g) at Day |
Body Weight Gain (g) During Week |
|||
0 |
7 |
14 |
1 |
2 |
||
2000 |
1-0 Female |
202 |
227 |
250 |
25 |
23 |
1-1 Female |
181 |
205 |
219 |
24 |
14 |
|
1-2 Female |
168 |
179 |
191 |
11 |
12 |
|
2-0 Female |
164 |
186 |
201 |
22 |
15 |
|
2-1 Female |
171 |
197 |
216 |
26 |
19 |
|
2-2 Female |
165 |
184 |
199 |
19 |
15 |
Appendix 3 Individual Necropsy Findings
Dose Level |
Animal Number |
Time of Death |
Macroscopic Observations |
2000 |
1-0 Female |
Killed Day 14 |
No abnormalities detected |
1-1 Female |
Killed Day 14 |
No abnormalities detected |
|
1-2 Female |
Killed Day 14 |
No abnormalities detected |
|
2-0 Female |
Killed Day 14 |
No abnormalities detected |
|
2-1 Female |
Killed Day 14 |
No abnormalities detected |
|
2-2 Female |
Killed Day 14 |
No abnormalities detected |
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- LD50
- Value:
- 2 500 mg/kg bw
- Quality of whole database:
- reliable without restriction
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:
- 2012
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 402 (Acute Dermal Toxicity)
- Version / remarks:
- 1987
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Test type:
- standard acute method
- Limit test:
- yes
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- lot/batch No.of test material: DEB2 152781 (Mi. 4014/2011)
- Expiration date of the lot/batch: 2021-06-12
STABILITY AND STORAGE CONDITIONS OF TEST MATERIAL
- Storage condition of test material: room temperature
- Solubility and stability of the test substance in the solvent/vehicle:
TREATMENT OF TEST MATERIAL PRIOR TO TESTING
- Treatment of test material prior to testing:
- Final preparation of a solid: moistened solid
FORM AS APPLIED IN THE TEST : solid
Purity: 98,2 % w/w - Species:
- rat
- Strain:
- Wistar
- Sex:
- male/female
- Details on test animals or test system and environmental conditions:
- Species/strain: healthy rats, WISTAR rats Cd: WI(Han) (full barrier)
Source: Charles River, 97633 Sulzfeld, Germany
Sex: male and female
Number of animals: 5 male and 5 female
Age at the beginning of the study: males: 8 - 9 weeks old females: 11 - 12 weeks old
Body weight on the day of administration: males: 227 - 245 g;females: 207 - 218 g.
The female animals were non-pregnant and nulliparous.
The animals were derived from a controlled full-barrier maintained breeding system
(SPF). According to Art. 9.2, No.7 of the German Act on Animal Welfare [6) the
animals were bred for experimental purposes.
Full barrier in an air-conditioned room
Temperature: 22 ± 3 °C
Relative humidity: 55 ± 10%
Artificial light, sequence being 12 hours light, 12 hours dark
Air change: lOx / hour
Free access to Altromin 1324 maintenance diet for rats and mice (lot no. 1114)
Free access to tap water, sulphur acidified to a pH value of approximately 2.8
(drinking water, municipal residue control, microbiological controls at regular
intervals)
The animals were kept individually in IVC cages, type III H, polysulphone cages on
Altromin saw fibre bedding (lot no. 110811) - Type of coverage:
- semiocclusive
- Vehicle:
- water
- Remarks:
- test item was moistened, not suspended or dissolved
- Details on dermal exposure:
- TEST SITE
- Area of exposure: dorsum
- % coverage: 10
- Type of wrap if used: gauze
REMOVAL OF TEST SUBSTANCE
- Washing (if done): once usinsg cotton seed oil
- Time after start of exposure: 24 h
TEST MATERIAL
- Amount(s) applied (volume or weight with unit): 2000 mg/kb bw
- Concentration (if solution): n.a.
- Constant concentration used: yes
- For solids, paste formed: yes
- Duration of exposure:
- 24 h
- Doses:
- 2000 mg/kbg bw
- No. of animals per sex per dose:
- 5
- Control animals:
- not required
- Key result
- Sex:
- male/female
- Dose descriptor:
- LD0
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- test mat.
- Mortality:
- none
- Clinical signs:
- other: none
- Gross pathology:
- No effects
- Interpretation of results:
- Category 4 based on GHS criteria
- Conclusions:
- The dermal LD50 was determined to be > 2000 mg / kg body weight.
- Executive summary:
LD50: > 2000 mg /kg bw
Species/strain: WISTAR Crl: WI(Han) rats
Vehicle (moistening): cottonseed oil
Number of animals: 5 male and 5 female
Duration of exposure: 24 hours
Method: OECD 402; EC 440/2008, Method B.3; OPPTS 870.1200
Table 1: Results per Step
Sex Dose (mg/kg bw) Number of animals Deaths male 2000 5 0 female 2000 5 0 Signs of toxicity related to dose level used, time of onset and duration:
No treatment-related effects were observed
Effect on organs (related to dose level):
No treatment-related effects were observed.
Signs of irritation:
No erythema or oedema was observed, scratches were observed in 1 of 5 male animals.
Conclusion
Under the conditions of the present study, single dermal application of the test item to rats at a dose of 2000 mg/kg body weight was associated
with neither mortality nor signs of toxicity. In one male animal scratches were observed from day 6 until the end of the observation period.
The dermal LD50 was determined to be > 2000 mg/ kg body weight.
- Endpoint:
- acute toxicity: dermal
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- supporting study
- Reason / purpose for cross-reference:
- read-across source
Referenceopen allclose all
Endpoint conclusion
- Endpoint conclusion:
- no adverse effect observed
- Dose descriptor:
- LD50
- Value:
- 2 000 mg/kg bw
- Quality of whole database:
- reliable with acceptable restrictions
Additional information
Justification for classification or non-classification
No classification
No adverse effects were observed after oral administration. No adverese effects were observed after dermal administration of the analogue Pigment Red 170.
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