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Ether

CAS 667919-88-2 · 80/100 · High conf.

Also registered as 5 other CAS numbers

7578-39-4 · 74446-43-8 · 927820-24-4 · 1480389-44-3 · 60-29-7

Ether chemical structure

Concern score

80/100Critical concern based on regulatory listings.
High confidence

Ether in plain language

What it is

On cosmetic ingredient lists it appears as “Ethyl ether”.

Also known as Ethyl ether · Anaesthetic ether · Solvent ether · Diethyl ether · Ethoxyethane · Pronarcol

Show all 22 names

1,1'-Oxybisethane · 3-Oxapentane · Anesthesia ether · Anesthetic ether · Diaethylaether · Diethyl oxide · Dwuetylowy eter · Ethyl oxide · Etere etilico · Ethane, 1,1'-oxybis · Ether ethylique · Oxyde d'ethyle · aether · ethyl ether (cercla) · ethyl ether (sara iii) · Etherum

What it does

Used in cosmetics as a solvent.

  • Solvent
  • Extraction solvent
Is it a concern?
Critical 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 331 composition records across product categories including Raw materials, Vehicle, Laboratory supplies.

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. Ether appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Beauty
  • Cleaning
  • Pharma
  • Food
  • Industrial
  • EUCosIngActiveListed in CosIng inventory for cosmetic use.
    • Listed in CosIng inventory for cosmetic use.Source →
  • GLOBALJECFANO ADI ALLOCATEDJECFA evaluation lists ADI NO ADI ALLOCATED. Functional class: extraction solvent.
    • JECFA evaluation lists ADI NO ADI ALLOCATED. Functional class: extraction solvent.Source →
  • GLOBALJECFAEvaluatedJECFA evaluation record.
  • USEPAcommercial use observedEPA CPDat observed this chemical in 331 composition records across product categories including Raw materials, Vehicle, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Solvent.
    • EPA CPDat observed this chemical in 331 composition records across product categories including Raw materials, Vehicle, Laboratory supplies. EPA CPDat classifies this chemical for functional uses including Solvent.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.

  • JECFA

    Joint FAO/WHO Expert Committee on Food Additives

    • JECFA evaluation lists ADI NO ADI ALLOCATED. Functional class: extraction solvent.

      Year not recorded · GLOBAL JECFA listing · Read the source →

    • JECFA evaluation record.

      Year not recorded · GLOBAL JECFA listing · Read the source →

Evidence & sources

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

7 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →

  • EPA Chemical and Products Database

    exposure · updated jan 24 1989

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

  • FDA GSRS UNII

    registry · updated 2026-02-26

    Open →

  • WHO JECFA Database

    regulatory · updated 2026-10-04

    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.

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

Source records

331

Named organisations

6

Raw materialsVehicleLaboratory suppliesSpecialty occupational productsFood and drugMedical/dental

Typical roles

SolventExtraction solvent
See products using Ether →

Catalog

Found in these products

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

See all 8 →Find products without it →