Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: 913-023-4 | CAS number: 11135-81-2
Appearance / physical state / colour
Administrative data
- Endpoint:
- appearance / physical state / colour
- Type of information:
- other: handbook data
- Adequacy of study:
- key study
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Data from a reliable handbook that is regarded as the definitive source of information on sodium and its alloy with potassium.
Data source
Referenceopen allclose all
- Reference Type:
- review article or handbook
- Title:
- Sodium NaK Engineering Handbook Vol 1. Sodium Chemistry and Physical Properties.
- Author:
- Foust OJ (editor)
- Year:
- 1 972
- Bibliographic source:
- Gordon & Breach Science Publishers Ltd
- Reference Type:
- grey literature
- Title:
- Safety Data Sheet
- Author:
- BASF
- Year:
- 2 011
- Bibliographic source:
- BASF Corporation, Florham Park, NJ, USA
- Report date:
- 2011
Materials and methods
- Principles of method if other than guideline:
- Grey literature data
- GLP compliance:
- no
Test material
- Reference substance name:
- potassium sodium
- EC Number:
- 913-023-4
- Cas Number:
- 11135-81-2
- Molecular formula:
- NaK
- IUPAC Name:
- potassium sodium
- Reference substance name:
- Potassiumsodium alloy
- IUPAC Name:
- Potassiumsodium alloy
Constituent 1
Constituent 2
Results and discussion
- Physical state at 20°C and 1013 hPa:
- liquid
Form / colour / odour
- Form:
- not specified
- Colour:
- Silver with metallic lustre.
- Odour:
- other: none
- Substance type:
- other: alloy of two elements
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.
