Registration Dossier
Registration Dossier
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: 500-234-8 | CAS number: 68891-38-3 1 - 2.5 moles ethoxylated
Dissociation constant
Administrative data
Link to relevant study record(s)
- Endpoint:
- dissociation constant
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 17 May 2010
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 112 (Dissociation Constants in Water)
- GLP compliance:
- no
- Dissociating properties:
- yes
- pKa:
- <= 2
- Temp.:
- 23 °C
Reference
The dissociation constant was estimated on the free non-neutralised sulfuric monoester. The degree of dissociation at relevant pH values (5 -9) is equal or larger than 99.9%.
Description of key information
The dissociation constant is ≤ 2.0 at 23 °C.
Key value for chemical safety assessment
- pKa at 20°C:
- 2
Additional information
The value is taken from a study report.
The dissociation constant was estimated on the free non-neutralised sulfuric monoester. The degree of dissociation at relevant pH values (5 -9) is equal or larger than 99.9%.
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.
