Registration Dossier
Registration Dossier
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EC number: 215-350-1 | CAS number: 1323-03-1
Partition coefficient
Administrative data
Link to relevant study record(s)
- Endpoint:
- partition coefficient
- Type of information:
- (Q)SAR
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Values estimated with the Endpoint estimater in QSAR Toolbox.
- Justification for type of information:
- QSAR prediction: migrated from IUCLID 5.6
- Principles of method if other than guideline:
- Estimated value based on the various molecular fragments.
- GLP compliance:
- no
- Type of method:
- other: KOWWIN Program (v1.68)
- Partition coefficient type:
- octanol-water
- Type:
- log Pow
- Partition coefficient:
- 5.71
- Temp.:
- 25 °C
- pH:
- 7
- Conclusions:
- The Log Pow for the test material is estimated to be > 4.5.
- Endpoint:
- partition coefficient
- Type of information:
- calculation (if not (Q)SAR)
- Adequacy of study:
- weight of evidence
- Study period:
- 2017
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- other: Based on trend analysis of data from a publictation
- Principles of method if other than guideline:
- Based on the relation between the logKow and the number of carbons in the alkyl chain.
- GLP compliance:
- no
- Type of method:
- estimation method (solubility ratio)
- Partition coefficient type:
- octanol-water
- Type:
- log Pow
- Partition coefficient:
- 6.3
- Temp.:
- 25 °C
- pH:
- 7
- Remarks on result:
- other: Based on the relation: LogKow=0.519C-0.966, with C the number of carbons in the alkyl chain.
Referenceopen allclose all
Curve logKow versus number of carbons based on the publication:
| Alkyl lactate | Number of carbon | Log Kow Bowmer |
| propyl lactate | 3 | 0.591 |
| butyl lactate | 4 | 1.11 |
| pentyl lactate | 5 | 1.629 |
| octyl lactate | 8 | 3.186 |
| decyl lactae | 10 | 4.224 |
LogKow=0.519C-0.966
Description of key information
Based on estimation by ECOSAR or Trend analysis, the LogKow ranged from 5.7 to 6.3.
Key value for chemical safety assessment
- Log Kow (Log Pow):
- 5.7
- 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.
