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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: 945-327-8 | 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
Water solubility
Administrative data
Link to relevant study record(s)
- Endpoint:
- water solubility
- Type of information:
- other: Quartzene CMS - SDS
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Principles of method if other than guideline:
- Metod not specified.
- Type of method:
- other: See "Remarks"
- Remarks:
- Not specified.
- Key result
- Water solubility:
- < 200 mg/L
- Temp.:
- 25 °C
- Remarks on result:
- other: See "Remarks"
- Remarks:
- pH not specified.
- Conclusions:
- Solubility in water at 25 degree Celcius: <200 mg/L.
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1998
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- Reliability according to OECD SIDS (2004).
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- Version / remarks:
- Directive 92/69/EEC, A6
- GLP compliance:
- no
- Type of method:
- column elution method
- Remarks:
- In German: "Kolben methode"
- Specific details on test material used for the study:
- Silicic acid, calcium salt (CAS-nr: 1344-95-2). Calsil B.
- Key result
- Water solubility:
- ca. 260 mg/L
- Conc. based on:
- element
- Incubation duration:
- >= 48 - <= 96 h
- Temp.:
- 30 °C
- pH:
- ca. 9.7
- Remarks on result:
- other: See "Remarks"
- Remarks:
- Ca 1 g was stirred in 150 ml water.
- Conclusions:
- Water solubility of calcium silicate was determined to ca. 260 mg/l at 20 °C.
- Executive summary:
Water solubility of calcium silicate was determined using the method according to Directive 92/69/EEC, A.6. Watersolubility at 20 °C was determined to ca. 260 mg/l.
- Endpoint:
- water solubility
- Type of information:
- other: Quartzene CMS - SDS
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- study well documented, meets generally accepted scientific principles, acceptable for assessment
- Principles of method if other than guideline:
- Not measured, not applicable.
- Type of method:
- other: See "Remarks"
- Remarks:
- Not mesured, not applicable.
- Key result
- Remarks on result:
- not measured/tested
- Remarks:
- Water solubility: not applicable.
- Conclusions:
- Water solubility: not applicable for CMS paste.
- Endpoint:
- water solubility
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study with acceptable restrictions
- Remarks:
- Reliability according to OECD SIDS (2004)
- Justification for type of information:
- 1. HYPOTHESIS FOR THE ANALOGUE APPROACH
Due to sharing similar structural, physical and chemical properties to CMS, synthetic amorphous silica is considered appropriate for read-across purposes. - Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Water solubility:
- ca. 260 mg/L
- Temp.:
- 20 °C
- pH:
- 9.7
- Conclusions:
- Based on an analogue read across approach from synthetic calcium silicate, the water solubility of CMS powder is estimated to be approximately 260 mg/L. Water solubility of the paste form of CMS: not applicable.
Referenceopen allclose all
Description of key information
Solubility for CMS in water at 20-25 degree Celcius is estimated to be <260 mg/L.
Water solubility for the paste form of CMS: not applicable.
Key value for chemical safety assessment
- Water solubility:
- 200 mg/L
- at the temperature of:
- 25 °C
Additional information
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.