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