Good Cosmetic Ingredient NOAEL Data GHS Classified

Ethoxydiglycol

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.

View industrial chemical safety profile for CAS 111-90-0 →

Auto-generated CPSR Part A draft with source citations
Function
Solvent, Humectant, Penetration Enhancer
Safety Rating
GOOD

Chemistry & Identifiers

Formula
C6H14O3
MW
134.17 g/mol
EC Number
203-919-7
PubChem CID
8146
IUPAC Name
2-(2-ethoxyethoxy)ethanol
InChIKey
XXJWXESWEXIICW-UHFFFAOYSA-N

Regulatory Status

EU EU Status restricted
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 Status permitted
US Notes CIR (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_vision_codex
NOAEL =0.08 mg/kg bw dermal human dermal absorption SCCS_vision_codex
NOAEL =0.08 mg/kg bw dermal human dermal absorption SCCS_vision_codex
NOAEL =0.08 mg/kg bw dermal human dermal absorption SCCS_vision_codex
NOAEL =0.167 mg/kg bw/d dermal human dermal absorption SCCS_vision_codex
NOAEL =0.167 mg/kg bw/d dermal human dermal absorption SCCS_vision_codex
NOAEL =0.167 mg/kg bw/d dermal human dermal absorption SCCS_vision_codex
NOAEL =0.167 mg/kg bw/d dermal human dermal absorption SCCS_vision_codex
NOAEL =0.17 mg/kg bw dermal human dermal absorption SCCS_vision_codex
NOAEL =0.17 mg/kg bw dermal human dermal absorption SCCS_vision_codex

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

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%.
BRIN Brazil/India Cosmetics
India: Restricted · max (a) 7% (b) 5% (c) 10% (d) 2,6% (e)2,6%

Expanded Dermal Absorption Data

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

Additional Ingredient Properties

6 property records from structured ingredient metadata.

comedogenicity_detail
{"comedogenicity_rating": "0", "irritancy_rating": "1", "skin_type_suitability": "all,oily,combination,normal", "acne_safe": "yes", "source": "Penetration enhancer"}
ecotoxicity
{"biodegradable": "yes", "biodegradation_days": "28-60", "bioaccumulative": "no", "aquatic_toxicity_level": "low", "coral_reef_safe": "yes", "marine_toxicity": "low aquatic toxicity", "freshwater_toxicity": "minimal impact", "endocrine_disruptor": "no", "persistent_organic_pollutant": "no", "microplastic": "no", "nano_particle": "no", "hawaii_banned": "no", "eu_restricted_environmental": "no", "pa…
regulatory
{"eu_status": "allowed", "us_status": "allowed"}
sensory
{"silky": "light", "smooth, glides easily": "slippery, wet", "dry-touch, non-greasy": "hydrated, smooth", "instant": "fast", "low": "low", "w/o": "o/w", "very-high": "excellent", "no": "no", "yes": "no", "1.40": "1.43", "transparent": "transparent", "colorless": "colorless", "excellent": "excellent", "light": "light", "synthetic": "synthetic"}
solubility_hlb
{"water_soluble": "yes", "oil_soluble": "partial", "soluble_in": "water, ethanol, propylene glycol", "insoluble_in": "oils", "log_p": "-1.2", "melting_point_c": "-21", "appearance": "clear liquid", "source": "BASF"}
uv_stability
{"uv_stable": "yes", "uv_degradation_rate": "stable", "photosensitizer": "no", "phototoxic": "no", "photoallergic": "no", "requires_uv_protection_packaging": "no", "color_change_uv": "no", "odor_change_uv": "no", "efficacy_loss_uv_pct": "0", "spf_contribution": "no", "uva_protection": "no", "uvb_protection": "no", "photostable_sunscreen": "no", "boost_spf_of_others": "no", "antioxidant_under_uv": …

PubChem Annotations

Safety and regulatory annotations from PubChem (NCBI) aggregated sources.

Safety (2)
ICSC Safety Card
0039
Source: ILO-WHO International Chemical Safety Cards (ICSCs)
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: Joint FAO/WHO Expert Committee on Food Additives (JECFA)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Adhesion/cohesion promoter Astringent Emulsifier Film former Fragrance Humectant Processing aids not otherwise specified Solubility enhancer Solvent Viscosity modifier
Regulatory List Membership (4)
IFRA Fragrance Transparency List FDA Indirect Food Contact Additives Consumer Product Chemical EU CosIng Cosmetics Ingredient Database

Expert Verdict

Expert safety assessment and concern-level summary for Ethoxydiglycol.

Regulatory Flags

annex-iii-restricted penetration-enhancer high-dermal-absorption impurity-control-required not-for-eye-products not-for-oral-hygiene ifra_fragrance eu_cosing_listed jecfa_concern

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Ethoxydiglycol by CAS number or substance name.

Studies
286
Lowest NOAEL
0.08
Highest NOAEL
5360

Units vary across source rows: mg/kg bw, mg/kg bw/d, mg/kg

SCCS_vision_codex ToxValDB_ECHA_IUCLID

Dermal Absorption

View details ->
Absorption % Method Vehicle
50.4% SCCS opinion extraction -
50.4% SCCS opinion extraction -

Known Synonyms

Diethylene glycol monoethyl ether BRN 1736441 Carbitol cellosolve Carbitol solvent Diethyleneglycol monoethyl ether EINECS 203-919-7 Ethyl diethylene glycol Losungsmittel APV Monoethyl ether of diethylene glycol 3,6-Dioxa-1-oktanol Aethyldiaethylenglycol Karbitol UNII-A1A1I8X02B Ethoxy diglycol

Chemical Function

Solvent Humectant Fragrance Viscosity modifier

Regulatory Lists

artificial_saliva; detected; emissions; Europe; Furniture and Furnishings Europe; Vehicle - car interior detected; Europe; Vehicle - car interior air; detected; emissions; Europe; Vehicle - car interior air; detected; emissions; Europe; Vehicle - car interior air; detected; emissions; Europe; Vehicle - car interior Arts and crafts/Office supplies - home office - pens and markers; detected artificial_saliva; detected; emissions; Europe; Toys and children's products Cleaning products and household care - shoes; Europe Cleaning products and household care - shoes; Europe air; Cons electronics mech appliances and machinery; detected; emissions; Europe air; Cons electronics mech appliances and machinery; detected; emissions; Europe Europe; Specialty occupational products Europe; Personal care; restricted active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides active_ingredient; Pesticides

Australian Status

AICIS status: listed

Cross-Vertical Safety Context

Same-CAS public records found in pharmaceutical data.

SOURCE ChEMBL / DrugCentral / FAERS DB_PHARMA CAS match

Pharmaceutical Data

Same-CAS rows from the pharmaceutical spoke database.

Compound
DIETHYLENE GLYCOL MONOETHYL ETHER
ChEMBL ID
CHEMBL1230841
Max Phase
-1
View full pharmaceutical profile →

Frequently Asked Questions

Is Ethoxydiglycol safe in cosmetics?

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_vision_codex.

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%..

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