Registration Dossier
Registration Dossier
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EC number: 273-521-6 | CAS number: 68988-22-7 A complex residuum from the distillation of products from the manufacture of dimethyl terephthalate by air oxidation and esterification of p-xylene. It consists of polyphenyl polyesters.
PBT assessment
Administrative data
PBT assessment: overall result
- PBT status:
- the substance is not PBT / vPvB
- Justification:
The substance is not readily biodegradable and is therefore regarded as P and maybe even vP.
Based on the pKow of the main components, the substance is regarded as not B and not vB.
The acute toxicity test results for aquatic species indicate that the substance is not toxic. The substance is also not classified as a CMR or as toxic (T). the substance is not T.
Overall conclusion: not a PBT / vPvB.
- Likely routes of exposure:
The substance is manufactured in a closed process with no emissions to water. The loading and unloading gives only solid waste when pipes are emptied. The solid is incinerated as waste. The processing of the substance is in a closed batch process with no emissions to water.The substance is fully converted into a polymer.
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