Registration Dossier
Registration Dossier
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EC number: 618-561-0 | CAS number: 9046-10-0
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:
- 2018-06-15
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- guideline study without detailed documentation
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 115 (Surface Tension of Aqueous Solutions)
- GLP compliance:
- not specified
- Type of method:
- plate method
- Specific details on test material used for the study:
- SOURCE OF TEST MATERIAL
- Name of test material (as cited in study report): Jeffamine D230
- Source and lot/batch No.of test material: 6B308, 16715, 7M404 and 6M508
- Key result
- Surface tension:
- 62.95 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The average surface tension of the test item is determined to be 62.95 mN/m.
Reference
The original internal reported values for lot 6B308 and 16715 are 51.86 mN/m and 64.6 mN/m. The low value for lot 6B308 is most likely influenced by contamination or run incorrectly and can be excluded statistically. The other lots of JEFFAMINE® D-230 amine all measure around 63 mN/M, ranging from approximately 61 to 65 mN/m. The newly collected data, with statistical exclusion of the lot in question, resets the reported 1 g/L surface tension average to 62.95 mN/m (see table below). Since the average result using reliable data is above the regulatory limit of 60 mN/m, the material is not a surfactant according to that regulation and guidance.
| Average by Lot Number (included samples), the average surface tensions for each lot number results are deliberately displayed in order from lowest to highest.
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Description of key information
The surface tension of the test item is 62.95 mN/m and therefore considered to be not surface active (O'Connell, 2018).
Key value for chemical safety assessment
- Surface tension:
- 62.95
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
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