Registration Dossier
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 701-317-3 | CAS number: 139734-65-9
- 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

Long-term toxicity to aquatic invertebrates
Administrative data
Link to relevant study record(s)
Description of key information
21 d EC10 = 3.1 µg a.i./L; Daphnia magna, OECD guideline 211, GLP
Key value for chemical safety assessment
Fresh water invertebrates
Fresh water invertebrates
- Effect concentration:
- 3.1 µg/L
Additional information
The influence of DOPA-Glycinate (20% a.i., as manufactured) on the reproduction of Daphnia magna was investigated. A 21-day semi-static exposure to the test item at nominal concentrations of 0.92, 2.30, 5.75, 14.40, and 36.00 µg a.i./L, with daily renewal of the test solutions was conducted according to OECD guideline 211. Untreated control replicates were run in parallel. Each treatment group consisted of 10 replicates with one daphnid each (individual exposure). Effects on growth (adult length at test termination) and reproductive performance were investigated. Samples of fresh and aged test solutions were analysed for test item concentrations.
Since the nominal concentrations varied by more than 20 %, the biological effects were re-evaluated based on mean measured concentrations. Due to a decrease of test item concentration during the renewal period, the time weighted mean values (TWM) for each treatment level were calculated. The respective TWM were 0.78, 2.28, 2.39, 11.35, and 27.48 µg a.i./L (85.3, 99.2, 41.5, 78.8, and 76.3 % of nominal).
All effect concentrations are given as time weighted mean concentrations:
The 21 d NOEC was 2.3 µg a.i./L (cumulative offspring per Daphnia, intrinsic rate of increase), the EC10 was 3.1 µg a.i/L (parental survival).
Concentration | Parental survival | Growth (length on day 21) | Age at first brood | Cumulative offspring per female | Intrinsic rate of increase |
EC50 | 10.6 | n.d. | > 27.5 | 24.6 | > 27.5 |
EC20 | 4.7 | n.d. | > 27.5 | 6.8 | 11.5 |
EC10 | 3.1 | n.d. | 24.2 | 3.4 | 4.4 |
NOEC | 2.4 | ≥ 27.5 | ≥ 27.5 | 2.3 | 2.3 |
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.

Route: .live2