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Tris(2-ethylhexyl) phosphate

CAS 78-42-2

Also registered as 1 other CAS number

1546892-14-1

Tris(2-ethylhexyl) phosphate chemical structure

Concern score

Not assessed — no hazard data yet.

Tris(2-ethylhexyl) phosphate in plain language

What it is

Also known as Tris-(2-ethylhexyl)fosfat · TRIS(2-ETHYLHEXYL)PHOSPHATE · Tehp · Top · Trioctyl phosphate · 1-HEXANOL, 2-ETHYL-, phosphate

Show all 22 names

2-Ethyl-1-hexanol phosphate · 2-Ethylhexanol, phosphate triester · CAS-78-42-2 · Disflamoll TOF · Durad TOP · Flexol plasticizer tof · Flexol TOF · Kronitex tof · Phosphoric Acid Trioctyl Ester · Phosphoric acid, tris(2-ethylhexyl) ester · Tof · TRI(2-ETHYLHEXYL) phosphate · Tri(2-ethylhexyl)phosphate (TEHP) · Tri(ethylhexyl) phosphate · Tris(2-ethylhexy)phosphate · fosfato de tris(2-etilhexilo)

What it does

We don't have a plain-language description for Tris(2-ethylhexyl) phosphate yet.

Recorded functional uses: Plasticizer

Is it a concern?
We haven't assessed a concern score for this ingredient yet.

Regulation

No restrictions found. Tris(2-ethylhexyl) phosphate appears in these published regulatory listings.

  • In marketed US drugs

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 6 composition records across product categories including Construction and building materials, Raw materials, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Plasticizer.
    • EPA CPDat observed this chemical in 6 composition records across product categories including Construction and building materials, Raw materials, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Plasticizer.Source →
  • USFDAmarketed drug occurrenceFDA NDC lists this ingredient in 2 active drug products and 2 total products.
    • FDA NDC lists this ingredient in 2 active drug products and 2 total products.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.Source →

Evidence & sources

No graded research studies for Tris(2-ethylhexyl) phosphate 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

  • EPA Chemical and Products Database

    exposure · updated January 7, 2008

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA National Drug Code Directory

    regulatory · updated 2027-12-31

    Open →
  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →
  • openFDA Substance

    registry · updated 2026-05-24

    Open →
  • PubChem Live Enrichment

    chemistry · updated 2026-05-17

    Open →

Suitability

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

Fragrance avoidance

Nothing to weigh for this context yet.

No signal in this context

We have no published hazard signal for this ingredient, so we cannot say how it behaves in this context — that is missing evidence, not a clean result.

Where it has been recorded

How often EPA CPDat has listed Tris(2-ethylhexyl) phosphate in a product composition. These are source records, not Greenveil catalog products.

Source records

6

Named organisations

6

Construction and building materialsRaw materialsLaboratory supplies

Typical roles

Plasticizer
See products using Tris(2-ethylhexyl) phosphate →

Catalog

Found in these products

Their ingredient lists include Tris(2-ethylhexyl) phosphate; each product's own rating depends on its whole formula, so it is shown on the product page, not here.