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EC number: 824-774-1 | CAS number: 148124-40-7
- 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
Adsorption / desorption
Administrative data
Link to relevant study record(s)
- Endpoint:
- adsorption / desorption
- Remarks:
- adsorption/desorption
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- key study
- Study period:
- June 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: A computional method has been used because the substance does not sufficiently adsorb onto organic material due to its polarity and therefore high solubility in water.
- Justification for type of information:
- 1. HYPOTHESIS FOR THE ANALOGUE APPROACH
The results as observed/predicted for EDTA-FeK are read across to EDTA-Fe(OH)K2 as in diluted form in the aquatic environment both EDTA complexes will have a similar structure and related fate.
2. ANALOGUE APPROACH JUSTIFICATION
It is therefore considered justified to use data/predictions as observed for EDTA-FeK also for EDTA-Fe(OH)K2.
- Reason / purpose for cross-reference:
- read-across source
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- Software used: KOCWIN v2.00(Jan. 2009) for log Koc
- GLP compliance:
- no
- Type of method:
- other: calculation
- Media:
- other: not relevant
- Specific details on test material used for the study:
- Details on properties of test surrogate or analogue material (migrated information):
Not relevant - Test temperature:
- Not relevant
- Computational methods:
- KOCWIN v2.00(Jan. 2009) for log Koc
- Phase system:
- other: log Koc
- Type:
- other: log Koc
- Value:
- 1
- Remarks on result:
- other: Estimate from MC
- Phase system:
- other: Log Koc
- Type:
- other: Log Koc
- Value:
- -4.91
- Remarks on result:
- other: Estimate from log Kow
- Conclusions:
- Calculation with KOWWINv2.00 : Log Koc=1 (Estimate from MC) or -4.91 (Estimate from Log Kow.)
- Executive summary:
The estimated log Koc values are less than the threshold value of 3, indicating no adsorbing potential for this compound. Additionally, this compound is mostly negatively charged at relevant environmental pH values, reducing its chances of being adsorbed to soil minerals/humic acids.
Reference
Log Koc calculation
KOCWIN v2.00 Results
Koc may be sensitive to pH!
--------------------------- ---------------------------
NOTE: METAL (Na, Li or K) HAS BEEN REMOVED TO ALLOW ESTIMATION via MCI!
Koc Estimate from MCI:
---------------------
First Order Molecular Connectivity Index ........... : 9.919
Non-Corrected Log Koc (0.5213 MCI + 0.60) .......... : 5.7704
Fragment Correction(s):
6 Nitrogen to Carbon (aliphatic) (-N-C).. : -1.2764
* Organic Acid (-CO-OH) ............... : -1.6249
2 Misc (C=O) Group (aliphatic attach).... : -3.2093
Corrected Log Koc .................................. : -0.3402
Over Correction Adjustment to Lower Limit Log Koc ... : 1.0000
Estimated Koc: 10 L/kg <===========
Koc Estimate from Log Kow:
-------------------------
Log Kow (Kowwin estimate) ......................... : -8.09
Non-Corrected Log Koc (0.55313 logKow + 0.9251) .... : -3.5497
Fragment Correction(s):
6 Nitrogen to Carbon (aliphatic) (-N-C).. : -0.1307
* Organic Acid (-CO-OH) ............... : -0.7694
2 Misc (C=O) Group (aliphatic attach).... : -0.4586
Corrected Log Koc .................................. : -4.9084
Estimated Koc: 1.235e-005 L/kg <===========
Description of key information
The available literature data indicate a low sorption potential of EDTA metal complexes in soil
Calculation with KOCWIN v2.00 : Log Koc=1 (Estimate from MC) or -4.91 (Estimate from Log Kow.)
The estimated log Koc values are less than the threshold value of 3, indicating no adsorbing potential for this compound. Additionally, since this compound is mostly negatively charged at relevant environmental pH values, reducing its chances of being adsorbed to soil minerals/humic acids.
Key value for chemical safety assessment
- Koc at 20 °C:
- 10
Additional information
Software used: KOCWIN v2.00 (Jan. 2009) for log Koc. A computional method has been used because the substance does not sufficiently adsorb onto organic material due to its polarity and therefore high solubility in water.
[LogKoc: 1.0]
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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