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Diss Factsheets
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EC number: 243-296-9 | CAS number: 19780-11-1
- 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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Endpoint summary
Administrative data
Description of key information
Key value for chemical safety assessment
Repeated dose toxicity: via oral route - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- adverse effect observed
- Dose descriptor:
- NOAEL
- 50 mg/kg bw/day
- Study duration:
- subacute
- Species:
- rat
- Quality of whole database:
- Adequate
Repeated dose toxicity: inhalation - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: inhalation - local effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: dermal - systemic effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Repeated dose toxicity: dermal - local effects
Endpoint conclusion
- Endpoint conclusion:
- no study available
Additional information
Repeated dose toxicity effects were observed at 150 mg/kg bw/day after 28-days of oral exposure to a chemical category member, tripropenyl succinic anhydride (TSA). The NOAEL was 50 mg/kg bw/d. The WHO reviewed the human health risks of cyclic acid anhydrides, and, while data are limited, did not find a weight of evidence which suggests repeated dose exposure represents a health risk. Human health risks were identified, and these pertain to the immediate reactivity of the anhydride group (irritation and sensitisation). Risk management measures are recommended to minimize acute exposures.
It is proposed that, if any additional testing is needed, it be conducted on the more water-soluble cleavage product of the anhydride, as all the anhydrides are hydrolytically labile.
A chemical category is established for alkenyl succinic anhydrides with C8-C12 alkenyl side chains, based on common functional groups, similar physico-chemical properties, common breakdown/metabolic products via physical and biological processes, and a constant pattern in the changing of the potency across the category. These include tetrapropenyl succinic anhydride (CAS 26544-38-7), octenyl succinic anhydride (CAS 26680-54-6), n-dodecenyl succinic anhydride (CAS 19780-11-1) and tripropenyl succinic anhydride (CAS 28928-97-4). Common functional groups are a dihydro-2,5 -furandione (cyclic anhydride) ring, a carbon chain of length 8 to 12 carbons (with or without branching methyl groups), and one double bond in the carbon chain, location unspecified. Common breakdown products are the dioic acids of the corresponding anhydride. A constant pattern may also be displayed in acute toxicity, dermal irritancy and biodegradation, with the lowest carbon chain length (C8) displaying the highest irritation potential in vivo and highest biodegradation potential. Irritation and degradation diminishes with increasing carbon chain length. Read-across is appropriate to fill the data gaps for repeated dose toxicity.
Justification for selection of repeated dose toxicity via oral route - systemic effects endpoint:
guideline study under GLP on a category member
Justification for classification or non-classification
No findings from repeated dose toxicity testing of a category member, tripropenyl succinic anhydride, meet criteria for classifcation of specific target organ toxicity-repeated exposure. There is currently insufficient evidence to require classification according to Regulation EC No. 1272/2008.
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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