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  • beauty

1,3-BIS-(2,4-DIAMINOPHENOXY) propane hcl

CAS 74918-21-1

Concern score

Not assessed — no hazard data yet.

1,3-BIS-(2,4-DIAMINOPHENOXY) propane hcl in plain language

What it does

Used in cosmetics as a hair dye.

  • Hair dyeing
Is it a concern?
We haven't assessed a concern score for this ingredient yet. It is listed for cosmetic use in the EU.

What we know about this ingredient

Canonical ingredient record built from 1 public-source records.

Regulation

No restrictions found. 1,3-BIS-(2,4-DIAMINOPHENOXY) propane hcl appears in these published regulatory listings.

  • EUCosIngActive1,3-Bis-(2,4-Diaminophenoxy) Propane HCl is the hair colorant that conforms to the formula. Restriction: III/202
    • 1,3-Bis-(2,4-Diaminophenoxy) Propane HCl is the hair colorant that conforms to the formula. Restriction: III/202Source →

Expert safety opinions

No expert opinion on file for 1,3-BIS-(2,4-DIAMINOPHENOXY) propane hcl. These are the independent scientific bodies that assess ingredients like this one; we show an opinion only when a record we hold cites it.

  • 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.

Evidence & sources

No graded research studies for 1,3-BIS-(2,4-DIAMINOPHENOXY) propane hcl yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

1 data source

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    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.

Catalog

Found in these products

Cosmetic and personal-care products that list 1,3-BIS-(2,4-DIAMINOPHENOXY) propane hcl are shown first. Their ingredient lists include 1,3-BIS-(2,4-DIAMINOPHENOXY) propane hcl; each product's own rating depends on its whole formula, so it is shown on the product page, not here.

See all 1 →Find products without it →