Compoatlas

BUTOXYETHANOL (2-butoxyethanol)

Official label name (INCI name, EU glossary of cosmetic ingredient names), No 4096

BUTOXYETHANOL (2-butoxyethanol): Allowed with restrictions, with limits depending on the product type (Annex III, entry 188), under Regulation (EC) No 1223/2009.

In plain words

What it is used for

Functions declared by manufacturers:

Fragrance.

Solvent: dissolves other substances.

Viscosity controlling: increases or decreases the viscosity of cosmetics.

What the rules say

Allowed, with restrictions: Annex III sets a maximum concentration and the product types allowed. Ingredient lists do not give quantities, so the concentration cannot be checked on the label.

The text of the annexes

Allowed with restrictions

Entry
Annex III, No 188
Substance
Ethylene glycol monobutyl ether (EGBE)
Glossary names
BUTOXYETHANOL
CAS
111-76-2
EC
203-905-0
Product type
a) Solvent in oxidative hair dye products b) Solvent in non-oxidative hair dye products
Maximum concentration
a) 4.0% b) 2.0%
Other conditions
(a) (b) No use in aerosol dispensers (sprays)
Dates in the act (3)
  • Entry into force on 15 May 2013
  • Application from 11 July 2013
    It shall apply from 11 July 2013.
  • Entry into force on 11 July 2013

Excerpts from the English text published in the Official Journal. A date may concern only some substances of the act: the excerpt says so.

Identity

CosIng identifier
31696
CAS (according to CosIng)
111-76-2
EC (according to CosIng)
203-905-0
Declared functions
Fragrance, Solvent, Viscosity controlling
Wikidata
Q421557
PubChem
8133
ECHA InfoCard
100.003.550
InChIKey
POAOYUHQDCAZBD-UHFFFAOYSA-N

Classified hazard (CLP Regulation)

A classification describes an intrinsic hazard, not a risk: the risk depends on the dose, the form and the exposure.

2-butoxyethanol; ethylene glycol monobutyl ether

No harmonised CMR classification

Hazard classes
Acute Tox. 3
Acute Tox. 4
Skin Irrit. 2
Eye Irrit. 2
Hazard statements
H331 H302 H315 H319

Elsewhere in the world

Information on other jurisdictions. What is covered, and what is not yet.

United Kingdom (Great Britain)

  • Allowed with restrictions (Annex III)

Same entries as in the European Union. Conditions (concentrations, warnings) may differ: they are not compared here.

Switzerland

Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).

United States, federal rules

None of the integrated sections of the federal code (21 CFR 700.11 to 700.27 and 250.250) targets this name. The FDA does not publish a list of allowed ingredients.

South Korea

  • Prohibited: 부톡시에탄올 (BUTOXYETHANOL)

    별표 1 (prohibited substances), entry 374, page 20.

Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.