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EC number: 812-713-1 | CAS number: 1219458-12-4
- 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
Toxicity to microorganisms
Administrative data
Link to relevant study record(s)
Description of key information
One toxicity test with activated sludge bacteria has been performed with Triamine C12-18, C18-unsaturated.
The EC50 of Triamine C12 -18, C18 -unsaturated (CAS no 1219458-12-4) for activated sludge after 3 hours contact time is 42 mg/L with 95% confidence limits of 20 and 89 mg/L. The EC10, EC20 and EC80 are 16, 23 and 79 mg/L, respectively.
Triamine C12 -18, C18 -unsaturated is therefore considered harmful to activated sludge.
Key value for chemical safety assessment
- EC50 for microorganisms:
- 42 mg/L
- EC10 or NOEC for microorganisms:
- 16 mg/L
Additional information
The EC50 of Triamine C12 -18, C18 -unsaturated (CAS no 1219458-12-4) for activated sludge after 3 hours contact time is 42 mg/L with 95% confidence limits of 20 and 89 mg/L. The EC10, EC20 and EC80 are 16, 23 and 79 mg/L, respectively.
Triamine C12 -18, C18 -unsaturated is therefore considered harmful to activated sludge.
The EC50 of Triamine C12 -18, C18 -unsaturated for activated sludge after 30 minutes contact time is 66 mg/L with 95% confidence limits of 37 and 182 mg/L. The EC10, EC20 and EC80 are 26, 36 and 122 mg/L, respectively.
The results of the 30 minutes incubation period should only be used as additional info. An incubation period of 3 hours is required to determine the toxicity of triamine C12 -18, C18 -unsaturated to activated slugde, because of the low solubility of the test substance in water
The test was shown to be valid based on the EC50 of the reference compound, 3,5-dichlorophenol (8 mg/L and 11 mg/L contact time 30 minutes and 3 hours respectively) and the control respiration rates which are within 15% of each other.
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