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EC number: 200-820-0
CAS number: 74-89-5
In context of stability in the environment,
only information about hydrolysis is required under REACH for
monomethylamine. The substance is stated to be thermodynamically stable
in water to hydrolysis at pH 4, 7, and 9 (Verscheuren, K., 1988). No
further information is given.
Despite information about
phototransformation in air is not mandatory, different data sources,
based on scientifically accepted calculations are available. The key
information is taken from the computer tool EPIWINv3.20 (software
AOPWINv1.92 by US-EPA) which assumes OH as sensitiser and gives an
overall rate constant of 22.2648 E-12cm³/mol*sec. Taking a 24 hour-day
into account 50 % degradation of monomethylamine will occur within about
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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