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Diss Factsheets
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EC number: 700-242-3 | CAS number: 62037-80-3
- 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
Henry's Law constant
Administrative data
- Endpoint:
- Henry's law constant
- Type of information:
- calculation (if not (Q)SAR)
- Remarks:
- Migrated phrase: estimated by calculation
- Adequacy of study:
- supporting study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- accepted calculation method
Data source
Reference
- Reference Type:
- other: REACH Guidance
- Title:
- Chapter R.16: Environmental Exposure Estimation (Version 2; May 2010)
- Author:
- European Chemicals Agency
- Year:
- 2 010
- Bibliographic source:
- Guidance on Information, Requirements, and Chemical Safety Assessment
- Report date:
- 2010
Materials and methods
- Principles of method if other than guideline:
- A Henry's Law constant was calculated for the test substance from measured vapour pressure (1.17E-002 Pa at 20°C) and water solubility (1.00E6 mg/L) and molecular weight (347.09 amu = g/mol) using EQUATION R.16-4 in the REACH guidance R.16 (Chapter R.16.5.3.2)
Henry = (VP*MW)/SOL
VP = Vapour Pressure, Pa
MW = Molecular Weight, g/mol
SOL = Water Solubility, mg/L - GLP compliance:
- no
Test material
- Reference substance name:
- Reference substance 002
- Cas Number:
- 62037-80-3
Constituent 1
Results and discussion
Henry's Law constant H
- Remarks on result:
- other: 4.06E-06 Pa m³/mol (This value indicates that the test substance would not readily volatilize from water. For chemicals with H values less than 0.01 Pa m3/mole, the chemical is less volatile than water.)
Applicant's summary and conclusion
- Conclusions:
- Calculated HLC of 4.06E-6 Pa*m3/mol indicates the test substance would not readily volatilize from water.
- Executive summary:
Henry Law Constant (H) of 4.06E-06 Pa-m3/mole was calculated using Equation R.16-4 in Chapter R.16.5.3.2 and measured vapour pressure and water-solubility values. For chemicals with H values less than 0.01 Pa m3/mole, the chemical is less volatile than water. Additionally, the test substance has two measured pKa values at 3.82 and 8.10 and will be present in the environment predominately as the dissociated ion. In such a form, the vapour pressure is essentially zero and its presence in air is unlikely. The test substance emitted to water is expected to remain in the water phase. The test substance emitted to soil is expected to partition to water and have a high to very high mobility to ground water due to its low volatility and low adsorption to soil (low koc). The test substance emitted to air is expected to partition to water in the air and return to the ground through wet-deposition.
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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