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Polyethylene terephthalate

CAS 9009-28-3 · 40/100 · High conf.

Also registered as 235 other CAS numbers

9078-56-2 · 36493-11-5 · 37310-81-9 · 50957-87-4 · 53025-16-4 · 53025-17-5 · 54174-21-9 · 54514-65-7 · 59678-67-0 · 61036-90-6 · 61584-27-8 · 61811-51-6 · 65430-85-5 · 66167-61-1 · 67166-79-4 · 68417-76-5 · 70699-75-1 · 71119-53-4 · 71343-17-4 · 72099-33-3 · 73201-87-3 · 73379-71-2 · 76688-71-6 · 81031-65-4 · 82115-47-7 · 82446-87-5 · 85410-98-6 · 85764-49-4 · 86338-40-1 · 87501-81-3 · 87659-51-6 · 88385-73-3 · 88385-74-4 · 89234-24-2 · 89338-48-7 · 89493-30-1 · 92769-05-6 · 97666-67-6 · 97794-10-0 · 104492-25-3 · +195 more

Concern score

40/100Moderate concern based on regulatory listings.
High confidence

Polyethylene terephthalate in plain language

What it is

Also known as Polyethylene terephthalate (intrinsic viscosity 0.60-0.70) · Poly(ethylene terephthalate) · Biaxially oriented pet film · Pet (intrinsic viscosity 0.60-0.70) · Poly(ethylene terephthalate) (intrinsic viscosity 0.60-0.70) · Terylene (intrinsic viscosity 0.60-0.70)

Show all 22 names

1,4-Benzenedicarboxylic acid, polymer with 1,2-ethanediol · Bis(2-hydroxyethyl) terephthalate homopolymer, sru · Crisper White G 1212-188 · Dimethyl terephthalate-1,2-ethanediol polymer, SRU · Indium Tin Oxide Coated PET · Metalized Polyethelene Terephthalate · Pet · Polyethylene terephthalate/polybutylene terephthalate · Poly(oxyethyleneoxyterephthaloyl) · Polyester · Polyester Fabric · polyethylene terephthalate Polyesters · Polyethylene Terephalate · Polyethylene Terephthalate (PET) · REPREVE Polyester · akdjf

What it does

Used in cosmetics as a film former.

  • Film forming
  • Thickener
  • Film former
  • Hair fixative
Is it a concern?
Moderate concern: no hazard classifications on record. It is listed for cosmetic use in the EU.

Why it's flagged

EPA CPDat observed this chemical in 2807 composition records across product categories including Construction and building materials, Furniture and furnishings, Cons. electronics, mech. appliances, and machinery.

The score describes this ingredient's chemical identity — its hazard profile from published classifications and regulatory status — not the safety of any product it appears in.

Regulation

No restrictions found. Polyethylene terephthalate appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Industrial
  • EUEFSAEFSA opinion2 entries
    • Safety assessment of the process 'RecyPET Hungaria', based on RecyPET Hungaria technology, used to recycle post-consumer PET into food contact materials (EFSA CEP)Source →
    • Safety assessment of the process 'Polisan Hellas S.A.', based on Polymetrix (formerly Buhler) technology, used to recycle post-consumer PET into food contact materials (EFSA CEF)Source →
  • EUCosIngActivePoly(oxy-1,2-ethanediyloxycarbonyl-1,4-phenylenecarbonyl)
    • Poly(oxy-1,2-ethanediyloxycarbonyl-1,4-phenylenecarbonyl)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 2807 composition records across product categories including Construction and building materials, Furniture and furnishings, Cons. electronics, mech. appliances, and machinery. EPA CPDat classifies this chemical for functional uses including Adhesion/cohesion promoter, Film former, Anti-redeposition agent.
    • EPA CPDat observed this chemical in 2807 composition records across product categories including Construction and building materials, Furniture and furnishings, Cons. electronics, mech. appliances, and machinery. EPA CPDat classifies this chemical for functional uses including Adhesion/cohesion promoter, Film former, Anti-redeposition agent.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as polymer.
    • openFDA substance registry classifies this ingredient as polymer.Source →

Expert safety opinions

Independent scientific assessments cited by the records we hold, with the year and link where the record gives one.

  • SCCS

    EU Scientific Committee on Consumer Safety

    No SCCS opinion on file.

  • CIR

    Cosmetic Ingredient Review (US expert panel)

    No CIR safety assessment on file.

  • EFSA

    European Food Safety Authority

    • Safety assessment of the process 'RecyPET Hungaria', based on RecyPET Hungaria technology, used to recycle post-consumer PET into food contact materials (EFSA CEP)

      2018 · EU EFSA listing · Read the source →

    • Safety assessment of the process 'Polisan Hellas S.A.', based on Polymetrix (formerly Buhler) technology, used to recycle post-consumer PET into food contact materials (EFSA CEF)

      2016 · EU EFSA listing · Read the source →

Evidence & sources

No graded research studies for Polyethylene terephthalate yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

6 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EFSA OpenFoodTox

    regulatory · updated 2026-10-04

    Open →

  • EPA Chemical and Products Database

    exposure · updated october 27, 2016

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • openFDA Substance

    registry · updated 2026-05-24

    Open →
Reference links (1)
Openfda substance

en.wikipedia.org

Read →

Suitability

Context-specific fit derived from published classifications and the current ingredient evidence profile.

Food use

Food-use source coverage is present in the current record.

Good fit

The ingredient appears in food-oriented source coverage or allowed-use references, which makes food use easier to support than a context with no domain signal at all.

Fragrance avoidance

No fragrance-linked caution surfaced in the current profile.

Good fit

This ingredient does not currently read as a fragrance-linked driver in the published evidence and hazard profile.

Where it has been recorded

How often EPA CPDat has listed Polyethylene terephthalate in a product composition. These are source records, not Greenveil catalog products.

Source records

2,807

Named organisations

6

Construction and building materialsFurniture and furnishingsCons. electronics, mech. appliances, and machineryConstructionElectronics/small appliancesPersonal care

Typical roles

Film formingThickenerFilm formerHair fixative
See products using Polyethylene terephthalate →

Catalog

Found in these products

Their ingredient lists include Polyethylene terephthalate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 73 →Find products without it →