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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Diss Factsheets
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EC number: 215-127-9 | CAS number: 1304-28-5
- 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
![](https://echa.europa.eu/o/diss-blank-theme/images/factsheets/A-REACH/factsheet/print_environmental-fate-and-pathways.png)
Adsorption / desorption
Administrative data
- Endpoint:
- adsorption / desorption
- Remarks:
- adsorption/desorption
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Information contained i a peer-reviewed publication edited by a National Public Institute
Data source
Referenceopen allclose all
- Reference Type:
- review article or handbook
- Title:
- Unnamed
- Year:
- 1 997
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 992
- Reference Type:
- publication
- Title:
- Trace metal transport and partitioning in the suspended sediments of the Rio Grande and tributaries in Central New Mexico
- Author:
- Popp and Laquer
- Year:
- 1 980
- Bibliographic source:
- Chemosphere, 9: 89-98, 1980
- Reference Type:
- publication
- Title:
- Desorption and coagulation of trace elements during estuarine mixing
- Author:
- Li et al.
- Year:
- 1 984
- Bibliographic source:
- Geochimica et Cosmochimica Acta, 48: 1879-1884 (1984)
Materials and methods
- Principles of method if other than guideline:
- Partition coefficients between particulate matter and water derived using measurements in 4 location in the Netherlands. Partition coefficients between soil and water based on batch experiments. Partition coefficients between sediment and water estimated on the basis of partition coefficients between particulate matter and water.
- GLP compliance:
- not specified
Test material
- Reference substance name:
- Barium
- EC Number:
- 231-149-1
- EC Name:
- Barium
- Cas Number:
- 7440-39-3
- IUPAC Name:
- barium
Constituent 1
Results and discussion
Partition coefficientsopen allclose all
- Phase system:
- suspended matter-water
- Type:
- log Kp
- Value:
- 3.13
- Remarks on result:
- other: Value derived by Bockting et al. (1992) using measurements in fresh surface water samples of 4 locations in the Netherlands from 1983-1986 and data from Popp and Laquer (1980) and Li et al. (1984), in North American rivers
- Phase system:
- soil-water
- Type:
- log Kp
- Value:
- 1.78
- Remarks on result:
- other: Value based on literature study using batch experiments (Bockting et al., 1992)
- Phase system:
- sediment-water
- Type:
- log Kp
- Value:
- 3
- Remarks on result:
- other: Estimated value on the basis of partition coefficientsbetween particulate matter and water (Stortelder et al., 1989)
Any other information on results incl. tables
All log-values are based on the Kp in L/kg. The values for soil and sediment are expressed as a value in standard soil/sediment (containing 10% organic matter and 25% of clay).
Applicant's summary and conclusion
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.
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