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Physical & Chemical properties

Water solubility

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Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
01/11/1989
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP, guideline not stated but Flask method used, available as unpublished report, acceptable with restrictions
Guideline:
other: Not stated but study states using Flask Method
GLP compliance:
yes
Type of method:
flask method
Key result
Water solubility:
108 mg/L
Temp.:
20 °C
Remarks on result:
other: pH not specified
Details on results:
Water solubility of C9 Resinfeed determined to be 108 mg/L at 20.0 + 0.2 degrees C

Water solubility of C9 Resinfeed determined to be 108 mg/L at 20.0 + 0.2 degrees C.

Conclusions:
Interpretation of results: moderately soluble (100-1000 mg/L)

The water solubility of C9 Resinfeed was determined to be 108 mg/L at 20.0 ± 0.2°C.
Executive summary:

This is a GLP Compliant, guideline study considered adequate for assessment.

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
09 July - 25 July 2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP, guideline study, available as unpublished report, acceptable with restrictions
Qualifier:
according to guideline
Guideline:
other: OECD 105 and EEC A.6
GLP compliance:
yes (incl. QA statement)
Type of method:
flask method
Key result
Water solubility:
24 other: %
Conc. based on:
test mat. (dissolved fraction)
Loading of aqueous phase:
100 mg/L
Incubation duration:
72 h
Temp.:
23 °C
pH:
ca. 7
Remarks on result:
other:
Remarks:
pH assumed
Key result
Water solubility:
5 other: %
Conc. based on:
test mat. (dissolved fraction)
Loading of aqueous phase:
1 000 mg/L
Incubation duration:
72 h
Temp.:
23 °C
pH:
ca. 7
Remarks on result:
other:
Remarks:
pH assumed
Details on results:
The test item is water-soluble to some extend. Different results for the water solubility were found depending on the amount of test item applied. At sample sizes of c 100 mg/l (97.16 to 139.08 mg/l) water soluble fractions of c. 24% (22 to 27%) were found, at sample sizes of c. 1000 mg/L (1104.50 to 1150.00 mg/l) the water soluble fractions were found to be each c. 5%.

This study appears to indicate that following equilibrium the test substance is more soluble. This is not usually the case.

Conclusions:
The test item is water-soluble to some extend. Different results for the water solubility were found depending on the amount of test item applied. At sample sizes of c 100 mg/L (97.16 to 139.08 mg/L) water soluble fractions of c. 24% (22 to 27%) were found, at sample sizes of c. 1000 mg/L (1104.50 to 1150.00 mg/L) the water soluble fractions were found to be each c. 5%.
Executive summary:

This is a GLP Compliant, guideline study considered adequate for assessment. The results would indicate that following equilibrium the test substance is more soluble. This is not usually the case. The test item is water-soluble to some extend. Different results for the water solubility were found depending on the amount of test item applied. At sample sizes of c 100 mg/L (97.16 to 139.08 mg/L) water soluble fractions of c. 24% (22 to 27%) were found, at sample sizes of c. 1000 mg/L (1104.50 to 1150.00 mg/L) the water soluble fractions were found to be each c. 5%.

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
not reported
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP Unknown, guideline study, available as statement letter from registrant, acceptable with restrictions
Qualifier:
according to guideline
Guideline:
OECD Guideline 105 (Water Solubility)
Deviations:
not specified
GLP compliance:
not specified
Type of method:
flask method
Key result
Water solubility:
0.013 other: g/100ml
Remarks on result:
other: Temperature and pH not specified

No further details

Conclusions:
Interpretation of results: insoluble (< 0.1 mg/L)

Water solubility for CAS No 101316-62-5 has been determined as 0.013 g/100 mL
Executive summary:

Information was provided by individual companies in the form of a letter stating the relevant information. The letter was submitted in company’s headed paper and signed by the individual responsible for the area of work. Given that the companies have practical expertise in handling the substance/stream this was deemed to be acceptable information.

Water solubility for CAS No 101316-62-5 has been determined as 0.013 g/100 mL.

Description of key information

Water solubility data were available for 3 streams within this category ranging from 62 to 130 mg/L at 20°C.

Key value for chemical safety assessment

Water solubility:
100 mg/L
at the temperature of:
20 °C

Additional information

The water solubility values for streams in this category have been taken from proprietary data, study reports and certificates of analysis.

CAS# 68477-54-3: 108 mg/L at 20°C (Sabic, 1989a); CAS# 101316-62-5: 130 mg/L (Rutgers, 2010b); and CAS# 94733-07-0: Water-soluble to some extent (BASF, 2007a). For 94733-07-0, different results for the water solubility were found depending on the amount of test item applied. At sample sizes of ca. 100 mg/L (97.16 to 139.08 mg/L), water soluble fractions of ca. 24% (22 to 27%) were found, while at sample sizes of ca. 1000 mg/L (1104.50 to 1150.00 mg/L), the water soluble fractions were found to be each ca. 5%. This study appears to indicate that following equilibrium the test substance is more soluble.

These data will be read across to all category members.

The mean water solubility value is 100 mg/L at 20°C and this has been used to complete the ‘key value for chemical safety assessment’.