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Sorbitan tristearate

CAS 1338-42-7 · 20/100 · High conf.

Also registered as 6 other CAS numbers

7281-30-3 · 86595-70-2 · 184594-25-0 · 1629056-13-8 · 2247791-91-7 · 26658-19-5

Sorbitan tristearate chemical structure

Concern score

20/100Minor concern based on regulatory listings.
High confidence

Sorbitan tristearate in plain language

What it is

Also known as Sorbitan trioctadecanoate · 1,4-Anhydro-3,5,6-tri-O-octadecanoyl-D-glucitol · Anhydrosorbitol tristearate · Sorbitan, esters, trioctadecanoate · Trioctadecanoate sorbitan · Admul S 65K

Show all 20 names

Armotan TS · E-492 · Emasol O 30 · Emasol S 30(F) · Emasol S 30V · Ijcwfdpjfxgqbn-rynsokoisa-n · Ins NO.492 · INS-492 · Span 65 · Span(R) 65 · Triestearato de sorbitano · Tristearate de sorbitan · UNII-6LUM696811 · Sorbitani tristearas

What it does

Used in cosmetics as an emulsifier.

  • Emulsifying
  • Emulsifier
  • Surfactant
Is it a concern?
Minor 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 177 composition records across product categories including Food and drug, Personal care.

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. Sorbitan tristearate appears in these published regulatory listings.

  • Inactive ingredient in US drugs

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • USFDAinactive ingredient database2 entries
    • Route: TOPICAL; Dosage form: CREAM; Maximum daily exposure: 5 mgSource →
    • Route: TOPICAL; Dosage form: LOTION; Maximum daily exposure: 585 mgSource →
  • EUCosIngActiveSorbitan tristearate
  • EUEFSAEFSA opinionRe-evaluation of sorbitan monostearate (E 491), sorbitan tristearate (E 492), sorbitan monolaurate (E 493), sorbitan monooleate (E 494) and sorbitan monopalmitate (E 495) when used as food additives (EFSA ANS)
    • Re-evaluation of sorbitan monostearate (E 491), sorbitan tristearate (E 492), sorbitan monolaurate (E 493), sorbitan monooleate (E 494) and sorbitan monopalmitate (E 495) when used as food additives (EFSA ANS)Source →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 177 composition records across product categories including Food and drug, Personal care. EPA CPDat classifies this chemical for functional uses including Emulsifier, Surfactant (surface active agent), anti-fogging agents.
    • EPA CPDat observed this chemical in 177 composition records across product categories including Food and drug, Personal care. EPA CPDat classifies this chemical for functional uses including Emulsifier, Surfactant (surface active agent), anti-fogging agents.Source →
  • USFDAlisted in openFDA substanceopenFDA substance registry classifies this ingredient as chemical.
    • openFDA substance registry classifies this ingredient as chemical.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

    • Re-evaluation of sorbitan monostearate (E 491), sorbitan tristearate (E 492), sorbitan monolaurate (E 493), sorbitan monooleate (E 494) and sorbitan monopalmitate (E 495) when used as food additives (EFSA ANS)

      2017 · EU EFSA listing · Read the source →

Evidence & sources

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

8 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 September 2018

    Open →
  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →
  • FDA Inactive Ingredient Database

    regulatory · updated 2026-01-09

    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 →
Reference links (1)
Openfda substance

codexalimentarius.net

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 Sorbitan tristearate in a product composition. These are source records, not Greenveil catalog products.

Source records

177

Named organisations

6

Food and drugPersonal care

Typical roles

EmulsifyingEmulsifierSurfactant
See products using Sorbitan tristearate →

Catalog

Found in these products

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