Registration Dossier
Registration Dossier
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EC number: 947-754-5 | CAS number: -
pH
Administrative data
- Endpoint:
- pH
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 19.12. 2016
- Reliability:
- 1 (reliable without restriction)
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guidelineopen allclose all
- 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)
- Qualifier:
- according to guideline
- Guideline:
- other: DIN 19268:2007-05: pH-Messung
- GLP compliance:
- no
Test material
- Reference substance name:
- Metaphosphoric acid
- EC Number:
- 253-433-4
- EC Name:
- Metaphosphoric acid
- Cas Number:
- 37267-86-0
- Molecular formula:
- (HPO3)n ; n= 3
- IUPAC Name:
- 1,3,5,2,4,6-Trioxatriphosphinan-2,4,6-triol-2,4,6-trioxide
- Reference substance name:
- Trisodium trimetaphosphate
- EC Number:
- 232-088-3
- EC Name:
- Trisodium trimetaphosphate
- Cas Number:
- 7785-84-4
- Molecular formula:
- Na3O9P3
- IUPAC Name:
- Trisodium-1,3,5,2,4,6-trioxaphosphinane-2,4,6-triolate-2,4,6-trioxide
- Test material form:
- other: amorphous, colourless pieces, hygroscopic
- Details on test material:
- Batch-No.: 656/6
Produced on: 05.12.2016
Constituent 1
Constituent 2
- Specific details on test material used for the study:
- During inquiry (inquiry number: 06-2120767575-41-0000 ) the name was changed from „Reaction mass of metaphosphoric acid and trisodium trimetaphosphate” to “Amorphous condensation products of orthophosphoric acid and sodium carbonate (3-6 : 1)“.
Results and discussion
pH value
- pH value:
- 1.85
- Concentration:
- 1 vol%
Any other information on results incl. tables
Results
Sample No. |
Mass, [g] |
pH |
1 |
1.0475 |
1.85 |
2 |
1.0950 |
1.83 |
3 |
1.0491 |
1.84 |
4 |
1.0034 |
1.87 |
5 |
1.0209 |
1.85 |
|
Average |
1.85 |
|
SD |
0.01 |
Applicant's summary and conclusion
- Conclusions:
- According to the OECD TG 122 the pH value of the pure substance was determined on a 1% solution as 1.85+/- 0.01.
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