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Diss Factsheets
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EC number: 932-051-8 | CAS number: -
- 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
Ecotoxicological Summary
Administrative data
Hazard for aquatic organisms
Freshwater
- Hazard assessment conclusion:
- PNEC aqua (freshwater)
- PNEC value:
- 0.268 mg/L
- Assessment factor:
- 1
- Extrapolation method:
- assessment factor
- PNEC freshwater (intermittent releases):
- 0.055 mg/L
Marine water
- Hazard assessment conclusion:
- PNEC aqua (marine water)
- PNEC value:
- 0.027 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
STP
- Hazard assessment conclusion:
- PNEC STP
- PNEC value:
- 5.6 mg/L
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (freshwater)
- Hazard assessment conclusion:
- PNEC sediment (freshwater)
- PNEC value:
- 8.1 mg/kg sediment dw
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Sediment (marine water)
- Hazard assessment conclusion:
- PNEC sediment (marine water)
- PNEC value:
- 8.1 mg/kg sediment dw
- Assessment factor:
- 10
- Extrapolation method:
- assessment factor
Hazard for air
Hazard for terrestrial organisms
Soil
- Hazard assessment conclusion:
- PNEC soil
- PNEC value:
- 35 mg/kg soil dw
- Extrapolation method:
- sensitivity distribution
Hazard for predators
Secondary poisoning
- Hazard assessment conclusion:
- no potential for bioaccumulation
Additional information
Cited References
Comber, SDW et al, 2002. Chronic toxicity of sediment associated linear alkylbenzene sulphonates (LAS) to freshwater benthic organisms. Environmental Pollution 144:661-668.
Diefenbach, R. 1998. Marlon ARL, Bestimmungder akuten Toxizitat gegenuber Fishen. Huels AG, FK 1399 (1998-12-14).
Jensen, J et al, 2007. European risk assessment of LAS in agricultural soil revisited: species sensitivity distribution and risk estimates. Chemosphere 69: 880-892.
Schoberl, P. 1993. Bestimmung der Bakterientoxizitat von Marlon ARL im Pseudomonas-Zellvermehrung s-Hemmtest (DIN 38412 Teil 8), Huls AG, PZ-93/21 (1993-12-13).
Spilker, R. 2010. Property Measured/Assessed: 7.8 Partition coefficient n-octanol/water. Sasol 0648 08 00164 (2010-09-29).
Conclusion on classification
The lowest acute data point for Marlon ARL is a 96 hour LC50of 5.5 mg/L for fish (Diefenbach 1998). However, Marlon ARL would not be classified regarding acute aquatic toxicity under the EU CLP Regulation as it is readily biodegradable and has a very low logPow of 0.7 (Spilker 2010) such that its estimated BCF would be far less than 500.
Five published long-term fish toxicity studies are published for the major read across substance that comprises the substance being registered. The NOEC and LOEC values for the read across substance linear alkylbenzenesulfonate (LAS) are: 0.63 and 1.2 mg/L for fathead minnows exposed for 196 days; 0.25 and 0.51 mg/L for talapia exposed for 90 days; 3.2 and 10 mg/L for guppies exposed for 28 days; 0.23 and 0.35 mg/L for trout exposed for 72 days; and 1.0 and 2.0 mg/L for bluegill exposed for 28 days.
There are 5 study reports of long-term toxicity to aquatic invertebrates for the substance that is the main consituent of the reaction product Marlon ARL. That read across substance is linear alkylbenzenesulfonate (LAS) and the data are: 21-day EC50 is 1.5 and NOEC is 1.18 mg/L for daphnids; 7-day LC50 is 5.34 and NOEC is 0.5 mg/L for ceriodaphnids; 28-day NOEC is 2.8 mg/L for midge; 2-day EC50 is 2.0 and EC10 is 1.18 mg/L for rotifer; and 32-day EC20 is 0.27 mg/L for clam, 24-day EC20 is 0.95 mg/L for amphipod, and 32-day EC20 is 2.9 mg/L for snail.
Based on the lowest NOEC of 0.23 mg/L in the chronic fish test of the component LAS the readily biodegradable substance is classified aquatic chronic 3 (H412) according to EU CLP regulation.
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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