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EC number: 606-744-8 | CAS number: 213464-77-8
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:
- 12 August 2002 to 21 September 2002
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- GLP compliance:
- yes
- Type of method:
- ring method
- Specific details on test material used for the study:
- IR5878 Technical grade
98.56% pure
Batch number G 009/02
white powder
stored at room temperature in the dark
Received 23 July 2002 - Key result
- Surface tension:
- ca. 71.4 mN/m
- Temp.:
- 22 °C
- Conc.:
- 0.038 g/L
- Conclusions:
- Surface tension of IR5878 (orthosulfamuron) is 71.4 mN/m at 22°C (3.77x10-2 g/L solution). Substances having a surface tension below 60mN/m are regarded as being surface-active, the test material is therefore not considered to be a surface active material.
- Executive summary:
Surface tension of IR5878 (orthosulfamuron) was determined as 71.4 mN/m at 22°C (3.77x10-2 g/L solution) using a ring method based on ISO 304, Method A5 of Commission Directive 92/69/EEC which is reference in Council Directive 91/414/EEC, Annex II as amended in Commission Directive 94/37/EC, Annex I, 2.1.4 and Method 115 of the OECD Guidelines for Testing of Chemicals, 27 July 1995. The test material is considered not to be a surface active material.
Reference
Description of key information
Surface tension of IR5878 (orthosulfamuron) is 71.4 mN/m at 22°C (3.77x10-2 g/L solution). Substances having a surface tension below 60mN/m are regarded as being surface-active, the test material is therefore not considered to be a surface active material.
Key value for chemical safety assessment
- Surface tension:
- 71.4
- in mN/m at 20°C and concentration in mg/L:
- 37.7
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