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GREENVEIL

  • cleaning

rel-(2R,4S)-Tetrahydro-4-methyl-2-phenyl-2H-pyran

CAS 149713-23-5

Also registered as 1 other CAS number

2417303-34-3

Concern score

Not assessed — no hazard data yet.

rel-(2R,4S)-Tetrahydro-4-methyl-2-phenyl-2H-pyran in plain language

What it is

Also known as (2R,4S)-4-Methyl-2-phenyloxane · 2H-Pyran, tetrahydro-4-methyl-2-phenyl-, (2R,4S)- · 2H-Pyran, tetrahydro-4-methyl-2-phenyl-, cis- · 2H-Pyran, tetrahydro-4-methyl-2-phenyl-,(2R,4S)-rel- · Tetrahydro-4-methyl-2-phenyl-2H-pyra n

What it does

Used in consumer products as a fragrance ingredient.

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

Regulation

No restrictions found. rel-(2R,4S)-Tetrahydro-4-methyl-2-phenyl-2H-pyran appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Cleaning
  • USEPAcommercial use observedEPA CPDat observed this chemical in 3 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance.
    • EPA CPDat observed this chemical in 3 composition records across product categories including Cleaning products and household care. EPA CPDat classifies this chemical for functional uses including Fragrance.Source →

Evidence & sources

No graded research studies for rel-(2R,4S)-Tetrahydro-4-methyl-2-phenyl-2H-pyran yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

2 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2020-03-19

    Open →

  • EPA DSSTox Identifiers

    chemistry · updated 2025-12-29

    Open →

Suitability

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

Fragrance avoidance

Not a strong fit for fragrance avoidance because it carries Fragrance.

Avoid

The ingredient itself is a fragrance-linked signal, so it is better treated as an avoid case when fragrance exposure is the main concern.

Where it has been recorded

How often EPA CPDat has listed rel-(2R,4S)-Tetrahydro-4-methyl-2-phenyl-2H-pyran in a product composition. These are source records, not Greenveil catalog products.

Source records

3

Named organisations

2

Cleaning products and household care

Typical roles

Fragrance
See products using rel-(2R,4S)-Tetrahydro-4-methyl-2-phenyl-2H-pyran →