Registration Dossier
Registration Dossier
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EC number: 201-180-5 | CAS number: 79-14-1
pH
Administrative data
- Endpoint:
- pH
- 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
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 021
- Report date:
- 2021
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- CIPAC method MT 191 (acidity or alkalinity of formulations)
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 122 (Determination of pH, Acidity and Alkalinity)
- Qualifier:
- according to guideline
- Guideline:
- CIPAC MT 75 (Determination of pH Values)
- GLP compliance:
- yes (incl. QA statement)
Test material
- Reference substance name:
- Glycollic acid
- EC Number:
- 201-180-5
- EC Name:
- Glycollic acid
- Cas Number:
- 79-14-1
- Molecular formula:
- C2H4O3
- IUPAC Name:
- 2-hydroxyacetic acid
Constituent 1
Reagents
- Reagent:
- water
Results and discussion
pH value
- Key result
- pH value:
- 2.34
- Temp.:
- 17.4 °C
- Concentration:
- 1 vol%
Acidity or alkalinity
- Key result
- Acidity or alkalinity:
- acidity
- Value:
- 64
- Remarks on result:
- other: %w/w as H2SO4
Applicant's summary and conclusion
- Conclusions:
- The average pH of the test item was measured as 2.34 at 17.4°C and the acidity as 64 % w/w as H2SO4 at 18.8 °C.
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