PS (Polystyrene) in Food: Studies, Health Effects, Regulations

Polystyrene · CAS 9003-53-6

Used in disposable cups, takeout containers, and meat trays. Found stuck to the surface of packaged meat at 4 to 19 particles per kilogram.

Chemical class

Microplastic polymer

Foods with detections

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Studies tracking

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Regulatory status

Active

What it is

Used in disposable cups, takeout containers, and meat trays. Found stuck to the surface of packaged meat at 4 to 19 particles per kilogram.

Health effects

Editorial in progress

A full health-effects review for this chemical is being researched and reviewed by our scientific advisors. In the meantime, see the studies and detection data below.

Detected in food

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No detection data yet

We are aggregating data on PS from FDA Total Diet Study, academic research, and independent lab testing. Detection results will appear here as datasets are ingested.