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Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether

CAS 9050-31-1

Concern score

Not assessed — no hazard data yet.

Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether in plain language

What it is

On cosmetic ingredient lists it appears as “Hydroxypropyl methylcellulose phthalate”.

Also known as Hydroxypropyl methylcellulose phthalate

What it does

Used in cosmetics as an oral-care ingredient. Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride.

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

Regulation

No restrictions found. Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether appears in these published regulatory listings.

Recorded in these product areas

  • Found in consumer products
  • Industrial
  • EUCosIngActiveHydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydride
    • Hydroxypropyl Methylcellulose Phthalate is the reaction product of Hydroxypropyl Methylcellulose and phthallic anhydrideSource →
  • USEPAcommercial use observedEPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including oral care.
    • EPA CPDat observed this chemical in 0 composition records across product categories including unclassified products. EPA CPDat classifies this chemical for functional uses including oral care.Source →

Expert safety opinions

No expert opinion on file for Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether. 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 Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether yet. This record is compiled from the published data sources below — registries and regulatory listings, not study findings.

3 data sources

Where this comes from

  • CosIng

    regulatory · updated 2026-09-23

    Open →
  • EPA Chemical and Products Database

    exposure · updated 2019-12-20

    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

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 Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether in a product composition. These are source records, not Greenveil catalog products.

Named organisations

1

Typical roles

Oral care
See products using Cellulose, hydrogen 1,2-benzenedicarboxylate, 2-hydroxypropyl methyl ether →