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Diss Factsheets
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EC number: 222-020-0 | CAS number: 3319-31-1
- 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
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Toxicity to birds
Administrative data
Link to relevant study record(s)
Description of key information
In accordance with REACH Regulation 1907/2006, Annex X, Column 2, studies of the effects on birds need only be considered taking into account findings from the dataset on mammalian toxicity.
Mammalian toxicity data are considered sufficient to adequately characterise the substance with no effects levels greatly in excess of those that may potentially occur in the environment.
Key value for chemical safety assessment
Additional information
In accordance with REACH Regulation 1907/2006, Annex X, Column 2, studies of the effects on birds need only be considered taking into account findings from the dataset on mammalian toxicity.
A study of 28 days duration found no changes in clinical signs, body weight, food consumption, haematology, blood chemistry, urinalysis, organ weights, macroscopic and microscopic pathology which could be attributed to administration of the substance. The NO(A)EL in this study was considered to be 1,000 mg/kg/day in males & females. A key study of 90 -days duration resulted in minor effects in the liver at a dose level of 1000 mg/kg/day with a NOAEL of 225 mg/kg/day. A screening study of reproductive toxicity revealed reduced spermatocytes and spermatids on histopathological examination of the testes of males given the substance at doses of 300 or 1000 mg/kg/day. Treatment had no effect on the appearance, condition or behaviour, body weight, food consumption, necropsy findings, weights of the testes, epididymis or ovaries, or histopathology of the ovaries. With the exception of the effects in males, treatment at dosages of 100, 300 or 1000 mg/kg/day had no effect on reproductive ability, organ weight or histopathology of the ovary, delivery or maternal behaviour of the dams. The NOELs for systemic toxicity are considered to be 100 and 1000 mg/kg/day for males and females respectively. The NOEL for reproductive / developmental toxicity was considered to be 1000 mg/kg/day for offspring, The testicular effects described in this screening study were not noted in the 90 -day study despite the exposure period being significantly greater than that of the screening study. It is thought that in this class of substance, by association with the phthalate esters, the principle reproductive toxicity potential may be towards the developing male testes. This aspect of the toxicology of the substance has been studied adequately using DNA transcriptional profiling in which rats were exposed in-utero by administration of the substance by daily oral doses to pregnant dams between gestational day 12 and 19. The foetal testes were obtained by micro-dissection and prepared to facilitate the isolation of RNA, which was subsequently analysed using whole rat genome microarrays. The study focused on assessment of effects in pathways relevant to rat testicular mal-development (TMD). The effects of TOTM were compared with those of diethylhexyl phthalate (DEHP) and mono-(2-ethylhexyl) phthalate (MEHP), an active metabolite of DEHP, both of which were used as a positive controls. MEHP and DEHP caused a repression of genes in TMD pathways involved in cholesterol synthesis and transport (HMGCS, HMGCR, STAR, SCARB1, FDFT1, FDPS), Steroidogenesis (Cyp11a, HSD3B1, SC4MOL) and testes development (INSL3, INHA). TOTM did not cause significant repression of genes in TMD pathway.
These data are considered sufficient to adequately characterise the substance with no effects levels greatly in excess of those that may potentially occur in the environment.
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.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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