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  • industrial

4,4'-Methylenebis(2,6-di-t-butylphenol)

CAS 118-82-1

4,4'-Methylenebis(2,6-di-t-butylphenol) chemical structure

Concern score

Not assessed — no hazard data yet.

4,4'-Methylenebis(2,6-di-t-butylphenol) in plain language

What it is

Also known as 4,4'-METHYLENEBIS(2,6-DI-TERT-BUTYLPHENOL) · 3,3',5,5'-TETRA-TERT-BUTYL-4,4'-DIHYDROXYDIPHENYLMETHANE · Antioxidant 4426 · Antioxidant 702 · Antioxidant 728 · Antioxidant e 702

Show all 36 names

Antioxidant t 511 · E 702 · Mb 1 · 2,2',6,6'-Tetra-tert-butyl-4,4'-methylendiphenol · 2,2',6,6'-tetra-terc-butil-4,4'-metilendifenol · 2,2',6,6'-tetra-tert-butyl-4,4'-methylenediphenol · 4, 4'-methylenebis (2, 6-di-t-butylphenol) · 4,4' METHYLENEBIS(2,6 di-tert butyl phenol) · 4,4'-METHYLEN-BIS-(2,6-DI-TERT-BUTYLPHENOL) · 4,4'-methylenebis(2,6-di-tertiary-butylphenol) · Agidol 23 · Binox m · Ethanox 4702 · Ethanox 702 · Ethyl 702 · Ethyl 728 · Etil 702 · H 301/92 · Hitec 4702 · Ionol 220 · Ionox 220 · Ionox 220 antioxidant · L 3MB1 · Lz-mb 1 · MB 1 (Antioxidant) · Phenol, 4,4'-METHYLENEBIS(2,6-DI-TERT-BUTYL- · Vanlube dtb · alkalated phenol · minor additives · phenolic antioxidant

What it does

Used in consumer products as an antioxidant.

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

Regulation

No restrictions found. 4,4'-Methylenebis(2,6-di-t-butylphenol) appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • USEPAcommercial use observedEPA CPDat observed this chemical in 13 composition records across product categories including Laboratory supplies, Industrial products, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Antioxidant.
    • EPA CPDat observed this chemical in 13 composition records across product categories including Laboratory supplies, Industrial products, Construction and building materials. EPA CPDat classifies this chemical for functional uses including Antioxidant.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 4,4'-Methylenebis(2,6-di-t-butylphenol) yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

5 data sources

Where this comes from

  • EPA Chemical and Products Database

    exposure · updated 2020-11-27

    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 →

  • 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 4,4'-Methylenebis(2,6-di-t-butylphenol) in a product composition. These are source records, not Greenveil catalog products.

Source records

13

Named organisations

4

Laboratory suppliesIndustrial productsConstruction and building materialsVehicleHome maintenance

Typical roles

Antioxidant
See products using 4,4'-Methylenebis(2,6-di-t-butylphenol) →