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EC number: 700-789-8 | CAS number: 14352-61-5
- 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
The acute toxicity to rats has been determined by the acute toxic class method. The LD50 is 2,500 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:
- 29 February - 13 April 2012
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study conducted by GLP accredited laboratory. Method according to OECD guideline.
- 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:
- Sprague-Dawley
- Sex:
- female
- Details on test animals or test system and environmental conditions:
- Six female Sprague-Dawley rats (SPF Caw) from Elevage JANVIER, France of 8-9 weeks old were selected having body weights from 205-215g.
A controlled environment was maintained in the room with optimal conditions of approximately 15/h air changes, a temperature of 19-25ºC, a relative humidity of 30-70% and a 12 hour light/12 hour dark cycle per day.
3 animals were present in a solid-bottomed polycarbonate cage with a stainless steel mesh lid containing sawdust bedding that was exchanged twice a day. Animals were acclimitised for a period of 5 days prior to exposure. The animals had free access to tap water and food (M20, SDS). - Route of administration:
- oral: gavage
- Vehicle:
- unchanged (no vehicle)
- Details on oral exposure:
- Animals were orally exposed to a single dose using syringe fitted with a oesophageal metal canula. The OECD guideline prescribes that the test substance should be administered in a single dose by gavage using a single dose. Therefore no vehicle was necessary.
- Doses:
- The dose level was 2000 mg/kg (2.06 ml/kg body weight) on day 0.
- No. of animals per sex per dose:
- 3 female rates per group. Two groups of rats.
- Control animals:
- yes
- Details on study design:
- The animals were daily systematically examined on behavioural or toxic effects on the major physiological functions at 0.5, 1, 3, 4 and 24 hours after the administration of the test item and daily during the rest of the study period. Observations were compared to historical control data.
Animals were weighed on days 0 (just before administration), 2, 7 and 14.
On day 14, the animals were anaesthetised with sodium pentobarbital. Macroscopic observations were entered on individual autopsy sheets. Only those organs that were likely to be modified in case of acute toxicity were examined. - Statistics:
- The method used is not intended to calculate a precise LD50, hence no statistical analysis was performed. The oral LD50 was ranked and an LD50 cut-off value determined based on the OECD 423 guideline.
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- 2 500 mg/kg bw
- Based on:
- act. ingr.
- Remarks on result:
- other: cut-off
- Sex:
- female
- Dose descriptor:
- LD50
- Effect level:
- > 2 000 mg/kg bw
- Based on:
- act. ingr.
- Mortality:
- One rat treated at 2000 mg/kg b.w. (1/6) died during the second step of the study at 24 hours and 45 minutes post-dose. The mortality was preceded by decrease or absence in spontaneous activity, in Preyer’s reflex, in muscle tone, mydriasis, piloerection, bradypnea, A decrease in body weight was also noted on the day of the death: -13% compared to day 0.
The macroscopical examinations of the dead animal revealed a thinning of the forestomach and a thickening of the corpus. - Clinical signs:
- other: In the surviving animal treated at 2000 mg/kg b.w. (5/6), decrease in spontaneous activity (5/5) and in Preyer’s reflex (1/5), mydriasis (3/5), lacrymation (2/5) and piloerection (4/5) were noted. The animals recovered a normal behaviour at 24 hours post-
- Gross pathology:
- The macroscopical examinations of the surviving animals at the end of the study did not reveal treatment related change.
- Interpretation of results:
- not classified
- Remarks:
- Migrated information based Regulation EC No. 1272/2008. Criteria used for interpretation of results: EU
- Conclusions:
- The oral LD50 of the test substance in Wistar rats exceeds 2,000 mg/kg body weight. The LD50 cut-off value was considered s 2,500 mg/kg body weight by oral route in the rat.
- Executive summary:
The acute toxicity class method (OECD 423 (2001)) was used to assess the acute toxicity of test substance in 6 female Sprague-Dawley rats.
The test substance was administered by oral gavage to the rats at a dose level of 2,000 mg/kg body weight. Animals were observed daily and their body weights were weekly recorded. Macroscopic examination was performed after sacrifice.
One mortality occurred on day 1. The other animals recovered normal behaviour within 24h.
The body weight gain was normal.
No abnormalities were found at post mortem macroscopical examinations of the animals.
The LD50 of the test substance exceeds 2,000 mg/kg body weight. Based on the result, the LD50 cut-off value is 2,500 mg/kg body weight.
Consequently, the test substance does not need to be classified according to Regulation EC No. 1272/2008.
Reference
Table 1 Body weight and weight gain in grams of the six female rats subjected to the test substance at a dose of 2,000mg/kg bw.
D0 | D2 | D2-D0 | D7 | D7-D0 | D14 | D14-D0 | |
Females | |||||||
Rf 9658 | 214 | 217 | 3 | 230 | 16 | 248 | 34 |
Rf 9659 | 205 | 207 | 2 | 227 | 22 | 247 | 42 |
Rf 9660 | 208 | 216 | 8 | 230 | 22 | 246 | 38 |
Rf 9673 | 205 | 218 | 13 | 244 | 39 | 265 | 60 |
Rf 9674 | 215 | 220 | 5 | 247 | 32 | 264 | 49 |
Rf 9675 | 206 | dead | |||||
Mean | 208.8 | 215.6 | 6.2 | 235.6 | 26.2 | 254.0 | 44.6 |
Std Dev | 4.5 | 5 | 4.4 | 9.2 | 6.4 | 9.6 | 10.2 |
Dx (x=0,2,7,14) stands for the number of days after the administration of the test substance.
Endpoint conclusion
- Endpoint conclusion:
- adverse effect observed
- Dose descriptor:
- LD50
- Value:
- 2 500 mg/kg bw
Acute toxicity: via inhalation route
Endpoint conclusion
- Endpoint conclusion:
- no study available
Acute toxicity: via dermal route
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Justification for selection of acute toxicity – oral endpoint
Study conducted on substance by a GLP accredited laboratory. Method according to OECD guideline.
Justification for classification or non-classification
The rat oral LD50 of the test substance is higher than 2,000 mg/kg bw. According to the criteria for classification, packaging and labelling of dangerous substances and preparations in accordance with the E.E.C. Directives 67/548, 2001/59 and 99/45, the test item Tropicate must not be classified. No symbol or risk phrase is required.
In accordance with the Regulation EC No. 1272/2008 on classification, labelling and packaging of substances and mixtures, the test item must not be classified. No signal word or hazard statement is 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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