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Diss Factsheets

Physical & Chemical properties

Water solubility

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Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2003
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP status not known, information from a published handbook, acceptable with restrictions.
Principles of method if other than guideline:
The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. The introduction to the Handbook of Aqueous Solubility Data states that it is an extensive compilation of published data. Each record is evaluated against a five point scheme based on the reporting of temperature, purity of the solute, equilibration time/agitiation, analysis and accuracy and/or precision, allowing the reader to select the most reliable and representative value. Therefore, although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data.
GLP compliance:
not specified
Type of method:
other: not reported
Specific details on test material used for the study:
N/A
Key result
Water solubility:
177 mg/L
Temp.:
25 °C
pH:
7
Remarks on result:
other: The pH values are not reported. Neutral pHs are assumed.
Water solubility:
208 mg/L
Temp.:
25 °C
pH:
7
Remarks on result:
other: The pH values are not reported. Neutral pHs are assumed.
Water solubility:
187 mg/L
Temp.:
25 °C
pH:
7
Remarks on result:
other: The pH values are not reported. Neutral pHs are assumed.
Details on results:
Three results at 25°C of the highest quality are reported. The average of these is 190.7 mg/L, and the lowest reported value is 177 mg/L.

N/A

Conclusions:
Interpretation of results (migrated information): moderately soluble (100-1000 mg/L)
The solubility of ethylbenzene in water is 177 mg/L at 25°C.
Executive summary:

No information on the methods used is available. However, this information is taken from a reliable peer reviewed handbook and so can be considered reliable and suitable for use for this endpoint.

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2003
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP status not known, information from a published handbook, acceptable with restrictions.
Principles of method if other than guideline:
The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. The introduction to the Handbook of Aqueous Solubility Data states that it is an extensive compilation of published data. Each record is evaluated against a five point scheme based on the reporting of temperature, purity of the solute, equilibration time/agitiation, analysis and accuracy and/or precision, allowing the reader to select the most reliable and representative value. Therefore, although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data.
GLP compliance:
not specified
Type of method:
other: not reported
Specific details on test material used for the study:
N/A
Key result
Water solubility:
146 mg/L
Temp.:
25 °C
pH:
7
Details on results:
Data not reported. pH not stated so assumed standard.

N/A

Conclusions:
Interpretation of results: moderately soluble (100-1000 mg/L)
The solubility of m-xylene in water is 146 mg/L at 25°C.
Executive summary:

No information on the methods used is available. However, this information is taken from a reliable peer reviewed handbook and so can be considered reliable and suitable for use as the key study for this endpoint.

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
1975
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP status not known, guideline not known, information from published handbook, acceptable with restrictions
Principles of method if other than guideline:
The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. The introduction to the Handbook of Aqueous Solubility Data states that it is an extensive compilation of published data. Each record is evaluated against a five point scheme based on the reporting of temperature, purity of the solute, equilibration time/agitiation, analysis and accuracy and/or precision, allowing the reader to select the most reliable and representative value. Therefore, although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data.
GLP compliance:
not specified
Type of method:
other: not reported
Specific details on test material used for the study:
N/A
Key result
Water solubility:
170.5 mg/L
Temp.:
25 °C
pH:
7
Details on results:
Data not reported. pH not stated so assumed standard.

N/A

Conclusions:
Interpretation of results: moderately soluble (100-1000 mg/L)
The solubility of o-xylene at 25˚C is 170.5 mg/L.
Executive summary:

This information is taken from a reliable peer reviewed handbook and so can be considered reliable and suitable for use as the key study for this endpoint.

Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2003
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: GLP status not known, information from a published handbook, acceptable with restrictions.
Principles of method if other than guideline:
The use of secondary sources of data is acceptable when they are based on a critical evaluation of peer-reviewed data and a consequent selection of a reliable and representative value for the property under investigation. The introduction to the Handbook of Aqueous Solubility Data states that it is an extensive compilation of published data. Each record is evaluated against a five point scheme based on the reporting of temperature, purity of the solute, equilibration time/agitiation, analysis and accuracy and/or precision, allowing the reader to select the most reliable and representative value. Therefore, although the method used is not known, the values presented here are acceptable as they are from a reliable secondary source of phys chem. data.
GLP compliance:
not specified
Type of method:
other: not reported
Specific details on test material used for the study:
N/A
Key result
Water solubility:
156 mg/L
Temp.:
25 °C
pH:
7
Details on results:
Data not reported. pH not stated so assumed standard.

N/A

Conclusions:
Interpretation of results: moderately soluble (100-1000 mg/L)
The solubility of p-xylene in water is 156 mg/L at 25°C.
Executive summary:

No information on the methods used is available. However, this information is taken from a reliable peer reviewed handbook and so can be considered reliable and suitable for use as the key study for this endpoint.

Description of key information

The solubility of the xylene isomers and ethylbenzene in water range from 146 to 177 mg/L at 25°C. The solubility of m-xylene is 146 mg/L, o-xylene is 170.5 mg/L, the solubility of p-xylene is 156 mg/L and the solubility of ethylbenzene is 177 mg/L. The mean value of 162.375 mg/L will be used for the risk assessment.

Key value for chemical safety assessment

Water solubility:
162.375 mg/L
at the temperature of:
25 °C

Additional information

Yalkowsky and He (2003) is a peer reviewed handbook and so can be considered reliable and suitable for use as the key study for this endpoint. The data are supported by results from the CRC Handbook (Lide 2008), which gives water solubilities for m-xylene, o-xylene, p-xylene and ethylbenzene of 161 mg/L, 171 mg/L, 181 mg/L and 200 mg/L at 25°C respectively.