Registration Dossier
Registration Dossier
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EC number: 305-230-8 | CAS number: 94350-12-6
Surface tension
Administrative data
Link to relevant study record(s)
- Endpoint:
- surface tension
- Type of information:
- read-across from supporting substance (structural analogue or surrogate)
- Adequacy of study:
- key study
- Justification for type of information:
- See the attached document as the justification of the read-across. A RAJOUTER
- Reason / purpose for cross-reference:
- read-across source
- Key result
- Surface tension:
- 73.3
- Temp.:
- 20 °C
- Conc.:
- 1 g/L
- Remarks on result:
- other: No surface active
- Conclusions:
- The surface tension of the soluble fraction of Saccharomyces cerevisiae, lysate was 73.3 mN/m at 20°C. It is considered not to be surface active.
- Executive summary:
The surface tension of Saccharomyces cerevisiae, lysate was determined using the ring test method (EU method A.5 and OECD 115) and in compliance with the GLP.
Saccharomyces cerevisiae, lysate consists of an insoluble fraction (cell walls) which cannot be tested, and a soluble fraction, which can be tested for its surface tension. This soluble fraction is similar to the substance Saccharomyces cerevisiae, Extract. The similarity of composition was demonstrated by comparative analysis and by the production process. So the available surface tension obtained on Saccharomyces cerevisiae, Extract was used to fill in the surface tension endpoint of Saccharomyces cerevisiae, lysate.
The surface tension of a test solution at a concentration of 1 g/l in water and at 20°C was 73.3 mN/m. According to this, Saccharomyces cerevisiae, lysate is considered not to be surface active.
Reference
Description of key information
The surface tension of the soluble fraction of Saccharomyces cerevisiae, lysate was 73.3 mN/m at 20°C. It is considered not to be surface active.
Key value for chemical safety assessment
- Surface tension:
- 73.3
- in mN/m at 20°C and concentration in mg/L:
- 1 000
Additional information
The surface tension of Saccharomyces cerevisiae, lysate was determined using the ring test method (EU method A.5 and OECD 115) and in compliance with the GLP.
Saccharomyces cerevisiae, lysate consists of an insoluble fraction (cell walls) which cannot be tested, and a soluble fraction, which can be tested for its surface tension. This soluble fraction is similar to the substance Saccharomyces cerevisiae, Extract. The similarity of composition was demonstrated by comparative analysis and by the production process. So the available surface tension obtained on Saccharomyces cerevisiae, Extract was used to fill in the surface tension endpoint of Saccharomyces cerevisiae, lysate.
The surface tension of a test solution at a concentration of 1 g/l in water and at 20°C was 73.3 mN/m. According to this, Saccharomyces cerevisiae, lysate is considered not to be surface active.
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