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EC number: 285-349-9 | CAS number: 85085-18-3
- 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

Nanomaterial aspect ratio / shape
Some information in this page has been claimed confidential.
Administrative data
- Endpoint:
- nanomaterial aspect ratio/shape
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 2015
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- test procedure in accordance with generally accepted scientific standards and described in sufficient detail
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 019
- Report date:
- 2019
Materials and methods
Test guideline
- Qualifier:
- no guideline required
- Principles of method if other than guideline:
- Hydrated particle size measurements were performed by Malvern Instruments on Batch number 06-2154-2 (Type 1). The instrument used was a Malvern Zetasizer Nano ZS capable of measuring particles in the nanometer range by Dynamic Light Scattering (DLS).
- GLP compliance:
- no
- Type of method:
- other: DSL
Test material
- Reference substance name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- EC Number:
- 285-349-9
- EC Name:
- Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate
- Cas Number:
- 85085-18-3
- Molecular formula:
- Na0.7[Mg5.3Li0.7Si8O20(OH)0.0F4.0]
- IUPAC Name:
- Synthetic fluorohectorite
- Test material form:
- solid: particulate/powder
- Details on test material:
- Batch Number: 09-2151-1 (Type 1)
Date Manufactured: Type 1 – 2nd June 2009
Constituent 1
- Specific details on test material used for the study:
- Identification: Laponite Type 1 – Silicate(2-), hexafluoro-, disodium, reaction products with lithium magnesium sodium silicate,
CAS#85085-18-3, EC#285-349-9
Description: White powder
Batch Number Type 1 – 06-2154-2 + 09-2151-1
Date Manufactured: Type 1 – 06-2154-2 (26th July 2006) + 09-2151-1 (2nd June 2009)
Expiry Date: 4 years from manufacture
Storage conditions: Room temperature in the dark
Quoted stability: Stable at normal conditions
Results and discussion
Shape description
- Shape:
- other: disc
- Percentage:
- 100 %
Applicant's summary and conclusion
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