Moderate Cosmetic Ingredient NOAEL Data

Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine

Also known as: 2,4-Bis(octylthio)-6-(4-hydroxy-3,5-di-tert-butylanilino)-1,3,5-triazine, EINECS 213-590-1, Irganox 565, Irganox RA 565, NSC 328455 (+1 more)

INCI: DI-T-BUTYL HYDROXYPHENYLAMINO BISOCTYLTHIOTRIAZINE

Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine (CAS 991-84-4) is a cosmetic cosmetic ingredient functioning as Antioxidant, UV stabilizer. Reported NOAEL =200 mg/kg bw/day in Rat (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 991-84-4 →

Auto-generated CPSR Part A draft with source citations
Function
Antioxidant, UV stabilizer
Safety Rating
MODERATE

Chemistry & Identifiers

Formula
C33H56N4OS2
MW
589 g/mol
EC Number
213-590-1
PubChem CID
70431
IUPAC Name
4-[[4,6-bis(octylsulfanyl)-1,3,5-triazin-2-yl]amino]-2,6-ditert-butylphenol
InChIKey
QRLSTWVLSWCGBT-UHFFFAOYSA-N

Regulatory Status

EU EU Status permitted
US US Status permitted
US Notes Permitted — listed in FDA substance registry (RXCUI: 1312719)

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

Safety Data

Margin of Safety, dermal absorption, and sensitization profile summaries for Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine.

Calculate MoS for your specific formulation with the MoS Calculator.

Toxicological Studies

4 study endpoints found for Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine. 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 =200 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID
NOAEL =818 mg/kg bw/day oral Dog subchronic ToxValDB_ECHA_IUCLID
NOAEL =1297.3 mg/kg bw/day oral Rat chronic ToxValDB_ECHA_IUCLID
NOAEL =3000 mg/kg bw/day oral Rat reproduction developmental ToxValDB_ECHA_IUCLID

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

PubChem Annotations

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

Safety (1)
Endocrine Disruptors
Potential endocrine disrupting compound
Source: NORMAN Suspect List Exchange

Function Categories & List Membership

Cosmetic/Chemical Function Categories
Antioxidant Heat stabilizer
Regulatory List Membership (1)
FDA Indirect Food Contact Additives

Expert Verdict

Expert safety assessment and concern-level summary for Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine.

NOAEL Studies Summary

View details ->

Public NOAEL study rows linked to Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine by CAS number or substance name.

Studies
4
Lowest NOAEL
200 mg/kg bw/day
Highest NOAEL
3000 mg/kg bw/day
ToxValDB_ECHA_IUCLID

Known Synonyms

2,4-Bis(octylthio)-6-(4-hydroxy-3,5-di-tert-butylanilino)-1,3,5-triazine EINECS 213-590-1 Irganox 565 Irganox RA 565 NSC 328455 UNII-O1Q826IX7H

Chemical Function

Antioxidant Heat stabilizer

Regulatory Lists

drinking_water; Europe; manufacturing; plastic_additive CEDI Indirect additives food contact (10/2018)

Australian Status

AICIS status: listed

Frequently Asked Questions

Is Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine safe in cosmetics?

Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine has a safety rating of "MODERATE" in our database. EU status: permitted. US status: permitted. 4 toxicological study endpoint(s) are available in our database.

Is Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine allowed in the EU?

Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine EU regulatory status: permitted. This is based on EU Regulation 1223/2009 and its amendments.

What does Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine do in cosmetics?

Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine functions as: Antioxidant, UV stabilizer. It is classified as a cosmetic ingredient in our database. CAS number: 991-84-4.

What is the NOAEL for Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine?

The NOAEL (No Observed Adverse Effect Level) for Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine is =200 mg/kg bw/day based on a chronic study via oral route in Rat. A total of 4 study endpoints are available. Source: ToxValDB_ECHA_IUCLID.

Is Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine used outside cosmetics?

Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine also appears in industrial chemical safety data. The cross-vertical cards on this page render same-CAS public rows from the matched databases.

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