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)
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.
US NotesPermitted — listed in FDA substance registry (RXCUI: 1312719)
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Safety Data
Margin of Safety, dermal absorption, and sensitization profile summaries for Di-t-Butyl Hydroxyphenylamino Bisoctylthiotriazine.
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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
AntioxidantHeat 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.
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.
Compliance Tools
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