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EC number: 200-756-3
CAS number: 71-55-6
The Mackay primary distribution
model indicates that 99.7% will be found in the atmosphere with 0.25% in
water and approximately 0.01% in soils and sediment. Trichloroethane is
a man made material and does not occur naturally in nature therefore
concentrations would be expected to be highest in places were it is
manufactured or used. The EU 1988 report states that a total of 6% of
production is released into the environment (it should be noted that
this was before the extensive bans on existing uses implemented under
the Montreal protocol came into force). Of the 6% approximately 0.2 to
0.3% are released at the point of manufacture and the remainder was
thought to find its way into waste water primarily as a result of uses
such as metal cleaning. As many of these uses have now been restricted
and registration is only sought for use as a transport of intermediate
the 1988 estimates are now probably excessively high.
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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