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Diethyl Oxalate

A cosmetic ingredient used as chelating, fragrance, hair conditioning in skincare, haircare, and personal-care products sold in the European Union.

What is it?

Diethyl oxalate

What does it do?

Diethyl Oxalate is listed in the EU cosmetic ingredient inventory with the following declared functions:

  • Chelating

    binds metal ions to prevent them from interfering with formulation stability

  • Fragrance

    provides scent or masks the natural odour of other ingredients

  • Hair conditioning

    improves the appearance, feel, and manageability of hair

  • Plasticiser

    adds flexibility to film-forming polymers, e.g. in nail polish or mascara

  • Solvent

    dissolves other ingredients into a uniform liquid phase

EU regulatory status

This ingredient is restricted in the European Union.

Diethyl Oxalate is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 3). It is permitted only under specific conditions, concentration limits, or in particular product types.

Frequently asked questions

What is Diethyl Oxalate?

Diethyl Oxalate is a cosmetic ingredient catalogued in the EU CosIng database. Diethyl oxalate

Is Diethyl Oxalate allowed in cosmetics in the EU?

Only with restrictions. Diethyl Oxalate is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.

What does Diethyl Oxalate do in cosmetic products?

Diethyl Oxalate is declared in the EU cosmetic ingredient inventory with these functions: chelating, fragrance, hair conditioning, plasticiser, solvent.

What is the CAS number of Diethyl Oxalate?

The CAS (Chemical Abstracts Service) number for Diethyl Oxalate is 95-92-1.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010