Also known as: Diethylene glycol monoethyl ether, BRN 1736441, Carbitol cellosolve, Carbitol solvent, Diethyleneglycol monoethyl ether (+9 more)
INCI: ETHOXYDIGLYCOL
Ethoxydiglycol (CAS 111-90-0) is a cosmetic cosmetic ingredient functioning as Solvent, Humectant, Penetration Enhancer. NOAEL 400 mg/kg bw/day (PDF-verified against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max Leave-on non-spray: 2.6%; rinse-off: 10%; oxidative hair dye: 7%; non-oxidative hair dye: 5%; spray products: 2.6%. Ethylene glycol impurity must be <=0.1%.. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety and pharmaceutical data.
Ethoxydiglycol is classified GHS Danger (H227, H320, H372) in the chemicals database but is restricted in EU cosmetics at max Leave-on non-spray: 2.6%; rinse-off: 10%; oxidative hair dye: 7%; non-oxidative hair dye: 5%; spray products: 2.6%. Ethylene glycol impurity must be <=0.1%..
EU Max Conc.Leave-on non-spray: 2.6%; rinse-off: 10%; oxidative hair dye: 7%; non-oxidative hair dye: 5%; spray products: 2.6%. Ethylene glycol impurity must be <=0.1%.
US US Statuspermitted
US NotesCIR (1985, reaffirmed 2004) concluded safe at 0.0004-80% depending on product type; no FDA concentration restrictions
For full compliance data across multiple jurisdictions, use the
Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Ethoxydiglycol.
Calculate MoS for your specific formulation with the
MoS Calculator.
Toxicological Studies
10 study endpoints found for Ethoxydiglycol. NOAEL (No Observed Adverse Effect Level) values are used to calculate the Margin of Safety per SCCS methodology.
Endpoint
Value
Route
Species
Study Type
Source
NOAEL
=0.08 mg/kg bw
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.08 mg/kg bw
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.08 mg/kg bw
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.08 mg/kg bw
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.167 mg/kg bw/d
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.167 mg/kg bw/d
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.167 mg/kg bw/d
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.167 mg/kg bw/d
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.17 mg/kg bw
dermal
human
dermal absorption
SCCS Opinion
NOAEL
=0.17 mg/kg bw
dermal
human
dermal absorption
SCCS Opinion
GHS Hazard Classification
Globally Harmonized System classification per ECHA C&L inventory and ILO/WHO International Chemical Safety Cards.
Short-term Exposure Effects
The substance is mildly irritating to the eyes.
Long-term Exposure Effects
The substance defats the skin, which may cause dryness or cracking.
Pre-Calculated Safety Assessment
Conditional — safe only within SCCS limits:2.6% all products incl. sprays; 10% rinse-off; 7% oxidative hair; 5% non-oxidative hair; no oral/eyes; ethylene glycol impurity <=0.1%
Pre-calculated NOAEL → SED → MoS audit trail for Ethoxydiglycol across SCCS product categories, with measured dermal absorption where available.
HRIPT Human Patch Test Studies
1 human repeat insult patch test aggregated from dermatological literature.
Test Type
N
Sensitized
Dose µg/cm²
NESIL µg/cm²
Potency
HMT
-
0
12960
-
-
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
10,000 - 100,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Expanded Jurisdictional Detail
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
SA Saudi SFDA (III - Restricted)
Product type: (a) Oxidative hair day products (b) Non-oxidative hair dye products (c) Rinse-off products other than hair dye products (d) Other non-spray cosmetic products (e) The following spray products: fine fragrances, hair sprays, antiperspirant and deodorant. Max: (a) 7% (b) 5% (c) 10% (d) 2,6% (e)2,6%.
Cross-database dermal penetration: EPA Dryad physics-based, Roberts Mendeley permeation, and SCCS-aggregated measured values.
Aggregated DA Values (2 records across 5 sources)
Type
DA %
Method
Skin Model
SCCS Ref
measured_sccs_opinion
50.4%
-
-
SCCS/1507/13
measured_sccs_opinion
50.4%
-
-
SCCS/1507/13
PubChem Annotations
Safety and regulatory annotations from PubChem (NCBI) aggregated sources.
Safety (2)
ICSC Safety Card
0039
Source: WHO/JECFA
Skin Eye Respiratory Irritation
The liquid is moderately irritating to the eye ...
Source: Hazardous Substances Data Bank (HSDB)
Regulatory (1)
JECFA Evaluation
DIETHYLENE GLYCOL MONOETHYL ETHER | 1995 | NO ADI ALLOCATED | TRS 859-JECFA 44/9 | FAS 35-JECFA 44/183 (1992)
Source: WHO/JECFA
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Adhesion/cohesion promoterAstringentEmulsifierFilm formerFragranceHumectantProcessing aids not otherwise specifiedSolubility enhancerSolventViscosity modifier
Ethoxydiglycol has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted. 10 toxicological study endpoint(s) are available in our database.
Is Ethoxydiglycol allowed in the EU?
Ethoxydiglycol EU regulatory status: restricted. Maximum allowed concentration: Leave-on non-spray: 2.6%; rinse-off: 10%; oxidative hair dye: 7%; non-oxidative hair dye: 5%; spray products: 2.6%. Ethylene glycol impurity must be <=0.1%.. This is based on EU Regulation 1223/2009 and its amendments.
What does Ethoxydiglycol do in cosmetics?
Ethoxydiglycol functions as: Solvent, Humectant, Penetration Enhancer. It is classified as a cosmetic ingredient in our database. CAS number: 111-90-0.
What is the NOAEL for Ethoxydiglycol?
The NOAEL (No Observed Adverse Effect Level) for Ethoxydiglycol is =0.08 mg/kg bw based on a dermal absorption study via dermal route in human. A total of 10 study endpoints are available. Source: SCCS Opinion.
Is Ethoxydiglycol used outside cosmetics?
Ethoxydiglycol also appears in industrial chemical safety and pharmaceutical data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Ethoxydiglycol have different safety status in cosmetics vs industrial chemicals?
Ethoxydiglycol is classified GHS Danger (H227, H320, H372) in the chemicals database but is restricted in EU cosmetics at max Leave-on non-spray: 2.6%; rinse-off: 10%; oxidative hair dye: 7%; non-oxidative hair dye: 5%; spray products: 2.6%. Ethylene glycol impurity must be <=0.1%..
Compliance Tools
Check Ethoxydiglycol compliance across multiple jurisdictions:
Scan any product label with Piro — our free ingredient scanner. Point your camera at the ingredients list and get instant safety scores for every ingredient.