Also known as: UNII-FQK9A410YB, 1,3,5-Triazine, 2,4,6-tris((1,1'-biphenyl)-4-yl)-, 2,4,6-Tris(p-biphenylyl)-s-triazine, S-Triazine, 2,4,6-tri-4-biphenylyl-, Tinosorb A2B
INCI: TRIS-BIPHENYL TRIAZINE
Tris-Biphenyl Triazine (Tinosorb A2B) (CAS 31274-51-8) is a cosmetic uv filter / sunscreen functioning as UV Absorber / UV Filter (broad-spectrum). NOAEL 1000 mg/kg bw/day (cross-referenced against ToxValDB ECHA IUCLID); EU Regulation 1223/2009 status: restricted, max 10%. 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 31274-51-8 →
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Margin of Safety, dermal absorption, and sensitization profile summaries for Tris-Biphenyl Triazine (Tinosorb A2B).
Calculate MoS for your specific formulation with the MoS Calculator.
1 study endpoint found for Tris-Biphenyl Triazine (Tinosorb A2B). 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 | =1000 mg/kg bw/day | oral | Rat | developmental | ECHA |
Pre-calculated NOAEL → SED → MoS audit trail for Tris-Biphenyl Triazine (Tinosorb A2B) across SCCS product categories, with measured dermal absorption where available.
European Chemicals Agency REACH dossier and Substances of Very High Concern listing.
European Commission CosIng database Annex references per Regulation (EC) No 1223/2009.
Additional regulatory detail beyond the 7-jurisdiction summary: Saudi SFDA, Korea MFDS, ASEAN ACD, Japan/Korea, Brazil/India, and cross-jurisdictional restriction entries.
| Jurisdiction | Status | Max % | Product Type |
|---|---|---|---|
| CN | permitted_uv_filter | 10 | All cosmetics (no spray) |
| BR | permitted_uv_filter | 10 | Sunscreen products; nanoform: primary particle >80nm, purity ≥98%, uncoated |
3 property records from structured ingredient metadata.
Expert safety assessment and concern-level summary for Tris-Biphenyl Triazine (Tinosorb A2B).
Public NOAEL study rows linked to Tris-Biphenyl Triazine (Tinosorb A2B) by CAS number or substance name.
Specific information requirements: Obligations to provide information apply. These obligations are: 1. A person introducing this chemical must tell us in writing within 28 calendar days if any of the following circumstances have occurred in relation to their introduction (importation or manufacture): a. the concentration of the chemical exceeds or is...
Tris-Biphenyl Triazine (Tinosorb A2B) has a safety rating of "GOOD" in our database. EU status: restricted. US status: permitted. 1 toxicological study endpoint(s) are available in our database.
Tris-Biphenyl Triazine (Tinosorb A2B) EU regulatory status: restricted. Maximum allowed concentration: 10%. This is based on EU Regulation 1223/2009 and its amendments.
Tris-Biphenyl Triazine (Tinosorb A2B) functions as: UV Absorber / UV Filter (broad-spectrum). It is classified as a UV Filter / Sunscreen in our database. CAS number: 31274-51-8.
The NOAEL (No Observed Adverse Effect Level) for Tris-Biphenyl Triazine (Tinosorb A2B) is =1000 mg/kg bw/day based on a developmental study via oral route in Rat. Source: ECHA.
Tris-Biphenyl Triazine (Tinosorb A2B) 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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