Registration Dossier
Registration Dossier
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EC number: 201-180-5 | CAS number: 79-14-1
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 13 January 2021 - 18 August 2021
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
- Key result
- Surface tension:
- 73 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension of a 1 g/L aqueous solution of the test item was determined to be 73.0 mN/m at 20°C.
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- supporting study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Reason / purpose for cross-reference:
- reference to same study
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
- Surface tension:
- 57 mN/m
- Temp.:
- 20 °C
- Remarks on result:
- other: 70% solution
- Conclusions:
- The surface tension of glycolic acid 70% solution was found to be 57.0 mN/m at 20°C
- Executive summary:
The surface tension of glycolic acid 70% solution was found to be 57.0 mN/m.
Referenceopen allclose all
Description of key information
Glycolic acid is not regarded as a surface-active substance (based on EC criteria, > 60 mN/m).
Key value for chemical safety assessment
- Surface tension:
- 73
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The surface tension of glycolic acid 70% solution (as placed on the market) was found to be 57.0 mN/m at 20°C.
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.
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