Registration Dossier
Registration Dossier
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EC number: 418-400-2 | CAS number: 1031-15-8 METHYL-TPP-CHLORID; MTPP-CHLORID
Surface tension
Administrative data
- Endpoint:
- surface tension
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- 1994
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 1 994
- Report date:
- 1994
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- OECD harmonised ring method
Test material
- Reference substance name:
- Methyltriphenylphosphonium chloride
- EC Number:
- 418-400-2
- EC Name:
- Methyltriphenylphosphonium chloride
- Cas Number:
- 1031-15-8
- Molecular formula:
- C19H18ClP
- IUPAC Name:
- methyltriphenylphosphanium chloride
- Test material form:
- solid
Constituent 1
Results and discussion
Surface tension
- Key result
- Surface tension:
- 71.4 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
Any other information on results incl. tables
| Time of measurement | Measured surface tension | Corrected surface tension |
| 10 min | 70.1 mN/m | 69.9 mN/m |
| 14 min | 71.7 mN/m | 71.6 mN/m |
| 18 min | 71.2 mN/m | 71.0 mN/m |
| 23 min | 71.3 rnN/m | 71.1 mN/m |
| State of equilibrium | ||
| 28 min | 71.5 mN/m | 71.4 mN/m |
| 32 min | 71.5 mN/m | 71.4 mN/m |
| 37 min | 71.4 mN/m | 71.2mN/m |
| 42 min | 71.5 mN/m | 71.4 mN/m |
| 46 min | 71.5 mN/m | 71.4 mN/m |
| 51 min | 71.5 mN/m | 71.4 mN/m |
| Total mean value | 71.3 mN/m | 71.2 mN/m |
| Mean value (State Of equilibrium) |
71.5 mN/m | 71.4 mN/m |
Applicant's summary and conclusion
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