Is Tall Oil Hydroxyethyl Imidazoline safe in cosmetics?
Tall Oil Hydroxyethyl Imidazoline has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 2 toxicological study endpoint(s) are available in our database.
Tall Oil Hydroxyethyl Imidazoline
Also known as: Use code no. 046601, EINECS 263-171-2, 1-(2-Hydroxyethyl)-2-(tall oil alkyl)-2-imidazoline, 2-Imidazoline, 1-(2-hydroxyethyl)-2-(tall oil alkyl)-, 1-(2-Hydroxyethyl)-2-nor(tall oil alkyl)-2-imidazoline
INCI: TALL OIL HYDROXYETHYL IMIDAZOLINE
Tall Oil Hydroxyethyl Imidazoline (CAS 61791-39-7) is a cosmetic cosmetic ingredient functioning as Surfactant, hair conditioning, cleansing agent. NOAEL 60 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: permitted. Industrial safety data is also available in the chemical safety database. Same-CAS public records also appear in industrial chemical safety data.
View industrial chemical safety profile for CAS 61791-39-7 →
Auto-generated CPSR Part A draft with source citations
Cross-Vertical Regulatory Divergence
Tall Oil Hydroxyethyl Imidazoline is classified GHS Danger (H302, H314, H318) in the chemicals database but is allowed in EU cosmetics.
Source: Cosmetics: ingredients.eu_status; Chemicals: ghs_classifications.signal_word/hazard_statement_code
Function
Surfactant, hair conditioning, cleansing agent
Safety Rating
MODERATE
Chemistry & Identifiers
EC Number
263-171-2
Regulatory Status
EU EU Status
permitted
US US Status
permitted
US Notes
Permitted in cosmetics; used as emulsifier and surfactant
For full compliance data across multiple jurisdictions, use the Substance Compliance tool.
Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Tall Oil Hydroxyethyl Imidazoline.
Calculate MoS for your specific formulation with the MoS Calculator.
Toxicological Studies
2 study endpoints found for Tall Oil Hydroxyethyl Imidazoline. 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 | =15 mg/kg bw/day | oral | Rat | reproduction developmental | ToxValDB_ECHA_IUCLID |
| NOAEL | =60 mg/kg bw/day | oral | Rat | developmental | ToxValDB_ECHA_IUCLID |
Pre-Calculated Safety Assessment
Pre-calculated NOAEL → SED → MoS audit trail for Tall Oil Hydroxyethyl Imidazoline across SCCS product categories, with measured dermal absorption where available.
ECHA REACH Registration
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
Registration Type
Full
Tonnage Band
10 - 100 tonnes
Substance Type
SUBSTANCE
SVHC Candidate
No
Function Categories & List Membership
Cosmetic/Chemical Function Categories
Anti-static agent
Softener and conditioner
Expert Verdict
Expert safety assessment and concern-level summary for Tall Oil Hydroxyethyl Imidazoline.
Regulatory Flags
plant-oil
NOAEL Studies Summary
View details ->Public NOAEL study rows linked to Tall Oil Hydroxyethyl Imidazoline by CAS number or substance name.
Studies
2
Lowest NOAEL
15 mg/kg bw/day
Highest NOAEL
60 mg/kg bw/day
ToxValDB_ECHA_IUCLID
Known Synonyms
Use code no. 046601
EINECS 263-171-2
1-(2-Hydroxyethyl)-2-(tall oil alkyl)-2-imidazoline
2-Imidazoline, 1-(2-hydroxyethyl)-2-(tall oil alkyl)-
1-(2-Hydroxyethyl)-2-nor(tall oil alkyl)-2-imidazoline
Chemical Function
Anti-static agent
Softener and conditioner
Regulatory Lists
active_ingredient; Europe; Pesticides
Australian Status
AICIS status: listed
Frequently Asked Questions
Is Tall Oil Hydroxyethyl Imidazoline allowed in the EU?
Tall Oil Hydroxyethyl Imidazoline EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.
What does Tall Oil Hydroxyethyl Imidazoline do in cosmetics?
Tall Oil Hydroxyethyl Imidazoline functions as: Surfactant, hair conditioning, cleansing agent. It is classified as a cosmetic ingredient in our database. CAS number: 61791-39-7.
What is the NOAEL for Tall Oil Hydroxyethyl Imidazoline?
The NOAEL (No Observed Adverse Effect Level) for Tall Oil Hydroxyethyl Imidazoline is =15 mg/kg bw/day based on a reproduction developmental study via oral route in Rat. A total of 2 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.
Is Tall Oil Hydroxyethyl Imidazoline used outside cosmetics?
Tall Oil Hydroxyethyl Imidazoline also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.
Does Tall Oil Hydroxyethyl Imidazoline have different safety status in cosmetics vs industrial chemicals?
Tall Oil Hydroxyethyl Imidazoline is classified GHS Danger (H302, H314, H318) in the chemicals database but is allowed in EU cosmetics.
Compliance Tools
Check Tall Oil Hydroxyethyl Imidazoline compliance across multiple jurisdictions:
Ingredient Decoder
Paste a full ingredient list for instant analysis
82 Allergen Checker
Check for EU declarable fragrance allergens
Substance Compliance
Check compliance across multiple jurisdictions
MoS Calculator
Calculate Margin of Safety using SCCS methodology
Heavy Metal Limits
Compare limits across jurisdictions
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