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Physical & Chemical properties

Water solubility

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Reference
Endpoint:
water solubility
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment
Remarks:
Well conducted and documented study according to a method, specially developed for peroxides. Purity mentioned.
Qualifier:
no guideline followed
Principles of method if other than guideline:
Determination of peroxides in water up to 12.5 µg of active oxygen. The method is suitable for peresters, hydroperoxides, diacylperoxides and peroxy bicarbonates. The peroxides react in acetic acid/chloroform medium with potassium iodide. The resulting colour of the iodine formed is measured at 410 nm by means of a spectrophotometer. Air oxygen is removed by purging with nitrogen. The detection limit is 0.4 µg of active oxygen.
GLP compliance:
no
Type of method:
other: See Remarks
Remarks:
Determination of peroxides in water up to 12.5 µg of active oxygen. The peroxides react in acetic acid/chloroform medium with potassium iodide. The resulting colour of the iodine formed is measured at 410 nm by means of a spectrophotometer.
Water solubility:
1 220 mg/L
Remarks on result:
other: The temperature and the pH are not mentioned in the report. Presumably ambient temperature and neutral pH.
Water solubility:
1 140 mg/L
Remarks on result:
other: The temperature and the pH are not mentioned in the report. Presumably ambient temperature and neutral pH.
Details on results:
Test was performed in duplicate.
Conclusions:
Interpretation of results (migrated information): soluble (1000-10000 mg/L)
The water solubility of tert-butyl peroxybenzoate is 1180mg/L.
Executive summary:

Well conducted study according to a method, specially developed for peroxides.

The water solubility of tert-butyl peroxybenzoate was determined in duplicate and was found to be 1140 and 1220 mg/L.

Description of key information

The water solubility of tert-butyl peroxybenzoate is 1180mg/L.

Key value for chemical safety assessment

Water solubility:
1 180 mg/L

Additional information

This data which leads to the conclusion moderately soluble (Vinke and Boerkamp) is further supported by:

614-45-9,Water solubility,Donkerbroek, 1994,rs

The water solubility of tert-butyl peroxybenzoate is 325 mg/L.

614-45-9,Water solubility,ACD Labs model

The calculated water solubility of tert-butyl peroxybenzoate is 210 -350 mg/L.