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EC number: 908-205-5
CAS number: -
Experimental water solubility are available for two constituents of
MTDID 22327 (perfluoromethylmorpholine, PMM) and (perfluorohexanes;
PFHx). In addition, two constituents are common to MTDID 22327 and MTDID
50908. Excess water solubility was observed for constituents of MTDID
50908 present below 1% of composition. This possibility cannot be
excluded in the case of MTDID 22327.
The water solubility of MTDID 22327 was determined using a category
approach wherein the experimental water solubilities of known
constituents are used to define the range. The resulting range was 0.679
µg/L to 758 µg/L at ca. 23 - 24 °C. The predominant constituent had the
highest measured solubility. Constituents present below 1% may have
excess water solubility. As a result, compositions of water solutions
may not reflect composition as registered, especially at high loading
The validity of this approach to categorically group these types of
substances was determined to be reliable with restrictions based on the
similarity of chemical functional groups, molecular weights, and vapor
pressures. Since the source data are for constituents of MTDID 22327,
they provide the best estimate of the range of water solubility for
MTDID 22327. The source data are from GLP-compliant or ISO
17025-compliant studies which used national standard test guidelines,
and they are considered reliable or reliable with restriction. It may be
used for Risk Assessment, Classification & Labelling, and PBT Analysis.
Information on Registered Substances comes from registration dossiers which have been assigned a registration number. The assignment of a registration number does however not guarantee that the information in the dossier is correct or that the dossier is compliant with Regulation (EC) No 1907/2006 (the REACH Regulation). This information has not been reviewed or verified by the Agency or any other authority. The content is subject to change without prior notice.Reproduction or further distribution of this information may be subject to copyright protection. Use of the information without obtaining the permission from the owner(s) of the respective information might violate the rights of the owner.
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