Registration Dossier
Registration Dossier
Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.
The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.
Use of this information is subject to copyright laws and may require the permission of the owner of the information, as described in the ECHA Legal Notice.
EC number: - | CAS number: -
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:
- 5 February 2018
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- guideline study
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.5 (Surface Tension)
- Deviations:
- no
- GLP compliance:
- yes
- Type of method:
- ring method
- Specific details on test material used for the study:
- - Batch No. of test material: R134-2
- Appearance: Tan-light brown opaque liquid
- Expiration date of the batch: 17 July 2018
- Storage condition of test material: Stored frozen at -80°C
- Stability under test conditions: Test substance was expected to be stable for the duration of testing - Key result
- Surface tension:
- 72 mN/m
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Conclusions:
- The surface tension of the test item, Harpin-ab Fermentation Extract, was 72.0 mN/m.
Reference
Table 1:
Surface tension results:
Calibration in Water |
||
Reading number |
Temperature (°C) |
Measured surface tension [mN/m] |
1 |
20 |
71.9 |
2 |
20 |
72.0 |
3 |
20 |
72.0 |
Mean |
20 |
72.0 |
SD |
0 |
0.1 |
Reading number |
Repetition 1 |
Repetition 2 |
Repetition 3 |
|||
Temperature (°C) |
Apparent surface tension, p (mN/m) |
Temperature (°C) |
Apparent surface tension, p (mN/m) |
Temperature (°C) |
Apparent surface tension, p (mN/m) |
|
1 |
20 |
72.9 |
20 |
72.0 |
20 |
72.0 |
2 |
20 |
71.9 |
20 |
71.5 |
20 |
71.9 |
3 |
20 |
71.9 |
20 |
72.0 |
20 |
72.0 |
Average |
20 |
71.9 |
20 |
71.8 |
20 |
72.0 |
Standard deviation |
0 |
0.1 |
0 |
0.3 |
0 |
0.1 |
Repetition number |
Temperature (°C) |
Apparent Mean surface tension, p (mN/m) |
Φb-corrected Mean Surface Tension (mN/m) |
1 |
20 |
71.9 |
72.6 |
2 |
20 |
71.8 |
72.5 |
3 |
20 |
72.0 |
72.7 |
Average |
20 |
71.9 |
72.6 |
Standard deviation |
0 |
0.1 |
0.1 |
Description of key information
According to EU method A.5, the surface tension of the test item, Harpin-ab Fermentation Extract, was 72.0 mN/m.
Key value for chemical safety assessment
- Surface tension:
- 72
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.
Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
