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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.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.

Diss Factsheets

Administrative data

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
From 05 march 2013 to 14 march 2013
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: A well documented GLP study according to OECD guideline.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2013
Report date:
2013

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
no
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method

Test material

Constituent 1
Chemical structure
Reference substance name:
Peptones, casein
EC Number:
293-428-4
EC Name:
Peptones, casein
Cas Number:
91079-40-2
Molecular formula:
Not applicable
IUPAC Name:
Peptones, casein
Test material form:
solid: particulate/powder

Results and discussion

Water solubility
Water solubility:
8.82 - 28.96 g/L
Temp.:
20 °C
pH:
6.83 - 7.15
Details on results:
The concentration of peptone casein in water lay in the range:
8.82 - 28.96 g/L at 20.0 ± 0.5 °C
= 8.82 - 28.96 kg/m3 (SI units)
for the following nominal concentration range of the test item in water: 10 - 30 g/L. Therefore, 96 % of the test item was dissolved in water relating to the nominal concentration of the test item. lt is assumed that the different components of the test item show different solubility or hydrolysis in water.

Applicant's summary and conclusion

Conclusions:
The water solubility was found in a range between 8.82 and 28.96 g/L corresponding to 96% of test item dissolved in water relating to the nominal concentration of the test item.