MODERATE Cosmetic Ingredient NOAEL Data SCCS/CIR Reviewed

Ethyl Hexanediol

Also known as: 4-01-00-02597, 6-12 insect repellent, BRN 1735324, Carbide 6-12, Caswell No. 445 (+5 more)

INCI: ETHYL HEXANEDIOL

Ethyl Hexanediol (CAS 94-96-2) is a cosmetic cosmetic ingredient functioning as Solvent. Reported NOAEL =100 mg/kg bw/day in Rat (ECHA); EU Regulation 1223/2009 status: permitted; 1 safety opinion reviewed (CIR Safety Assessment). 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 94-96-2 →

Function
Solvent
Editorial assessment
MODERATE
Preliminary editorial note — not a computed safety verdict.

Chemistry & Identifiers

Formula
C8H18O2
MW
146.23 g/mol
EC Number
202-377-9
PubChem CID
7211
IUPAC Name
2-ethylhexane-1,3-diol
InChIKey
RWLALWYNXFYRGW-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes CIR concluded safe at ≤5%; OTC Category III for anti-dandruff shampoo use; all EPA insect repellent registrations voluntarily cancelled 1991 due to developmental toxicity concerns

For full compliance data across multiple jurisdictions, use the Substance Compliance tool.

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Ethyl Hexanediol.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

6 study endpoints found for Ethyl Hexanediol. 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 =100 mg/kg bw/day oral Rat short-term ECHA
NOAEL =466 mg/kg bw/day oral Dog chronic ECHA
NOAEL =480 mg/kg bw/day oral Rat subchronic ECHA
NOAEL =932.5 mg/kg bw/day dermal Rabbit chronic ECHA
NOAEL =1000 mg/kg bw/day oral Rat developmental ECHA
NOAEL =1884 mg/kg bw/day dermal Rat subchronic ECHA

Safety Opinions

Official safety assessments from the Scientific Committee on Consumer Safety (SCCS) and Cosmetic Ingredient Review (CIR).

CIR Safety Assessment York 0 1994
Verdict: unknown

EU CLP Annex VI Harmonized Classification

Legally binding harmonized classification per Regulation (EC) No 1272/2008 (CLP) Annex VI.

Signal Word
Danger
Pictograms
Corrosive
Hazard Class and Category
Eye Dam. 1
Hazard Statements
  • H318 Causes serious eye damage

Inserted via ATP: CLP00

ECHA REACH Registration

European Chemicals Agency REACH dossier and Substances of Very High Concern listing.

Registration Type
Full
Tonnage Band
100 - 1,000 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Hazard classification: Restricted (Annex XVII)

PubChem Annotations

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

Safety (1)
Skin Eye Respiratory Irritation
... MODERATELY IRRITATING TO EYES, MUCOUS MEMBRANES, BUT NOT TO SKIN.
Source: Hazardous Substances Data Bank (HSDB)

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Fragrance Solvent Viscosity modifier

Editorial summary

Preliminary editorial summary for Ethyl Hexanediol — not a computed safety verdict. See the sourced toxicological data above.

Regulatory Flags

clp-h318-eye-damage weak-sensitizer prohibited-australia max-5-percent insect-repellent-registrations-cancelled

NOAEL Studies Summary

View details ->

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

Studies
6
Lowest NOAEL
100 mg/kg bw/day
Highest NOAEL
1884 mg/kg bw/day
ECHA

Known Synonyms

4-01-00-02597 6-12 insect repellent BRN 1735324 Carbide 6-12 Caswell No. 445 Compound 6-12 insect repellent EINECS 202-377-9 EPA Pesticide Chemical Code 041001 6-12-Insect repellent UNII-M9JGK7U88V

Chemical Function

Solvent Fragrance Viscosity modifier

Regulatory Lists

active_ingredient; Europe; Pesticides Canada; pharmaceutical

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
ETHOHEXADIOL
ChEMBL ID
CHEMBL1451179
Max Phase
-1
View full pharmaceutical profile →

Frequently Asked Questions

Is Ethyl Hexanediol safe in cosmetics?

Ethyl Hexanediol has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 6 toxicological study endpoint(s) are available in our database. This ingredient has been reviewed by CIR Safety Assessment.

Is Ethyl Hexanediol allowed in the EU?

Ethyl Hexanediol EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Ethyl Hexanediol do in cosmetics?

Ethyl Hexanediol functions as: Solvent. It is classified as a cosmetic ingredient in our database. CAS number: 94-96-2.

What is the NOAEL for Ethyl Hexanediol?

The NOAEL (No Observed Adverse Effect Level) for Ethyl Hexanediol is =100 mg/kg bw/day based on a short-term study via oral route in Rat. A total of 6 study endpoints are available. Source: ECHA.

Is Ethyl Hexanediol used outside cosmetics?

Ethyl Hexanediol 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 Ethyl Hexanediol have different safety status in cosmetics vs industrial chemicals?

Ethyl Hexanediol is classified GHS Danger (H318, H319, H361) in the chemicals database but is allowed in EU cosmetics.

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