Tris-biphenyl triazine

Names
IUPAC name

2,4,6-Tris(4-phenylphenyl)-1,3,5-triazine

Other names

Tinosorb A2B

Identifiers

CAS Number

* 31274-51-8

3D model (JSmol)

* Interactive image

ChemSpider |

* 9802774

EC Number |

* 479-950-7

PubChem CID

* 11628027

UNII |

* FQK9A410YB

CompTox Dashboard (EPA)

* DTXSID30185197

InChI

* InChI=1S/C39H27N3/c1-4-10-28(11-5-1)31-16-22-34(23-17-31)37-40-38(35-24-18-32(19-25-35)29-12-6-2-7-13-29)42-39(41-37)36-26-20-33(21-27-36)30-14-8-3-9-15-30/h1-27H

Key: CENPSTJGQOQKKW-UHFFFAOYSA-N

SMILES

* C1=CC=C(C=C1)C2=CC=C(C=C2)C3=NC(=NC(=N3)C4=CC=C(C=C4)C5=CC=CC=C5)C6=CC=C(C=C6)C7=CC=CC=C7

Properties

Chemical formula

| C39H27N3
Molar mass | 537.666 g·mol−1
Appearance  | White solid
Melting point | 281.3 °C
Hazards

GHS hazard statements

| H413

GHS precautionary statements

| P273, P501

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Tracking categories (test):

* SizeSet

Tris-biphenyl triazine (INCI) is an organic compound used in sunscreens to absorb UVA and UVB radiation. It is marketed as Tinosorb A2B by BASF. Tris-biphenyl triazine is considered a broad-spectrum UV absorber, covering the UVA2 (320−340 nm) and UVB range (280−320 nm).[2][3][1][4][5]

## Safety and regulation

Tris-biphenyl triazine is approved for use up to a maximum concentration of 10% as a UV filter in cosmetics in the EU and Australia.[2][6] It is not currently recognised or approved by the FDA for use in cosmetics in the US.

## References

1. ↑ 1.0 1.1 "Tris-biphenyl triazine" (in en). PubChem. U.S. National Library of Medicine. https://pubchem.ncbi.nlm.nih.gov/compound/11628027.
2. ↑ 2.0 2.1 "Opinion on 1,3,5-Triazine, 2,4,6-tris[1,1'-biphenyl-4-yl-"]. Scientific Committee on Consumer Safety (SCCS). Directorate D: Health Systems and Products; European Commission. December 2011. https://ec.europa.eu/health/scientific_committees/consumer_safety/docs/sccs_o_070.pdf.
3. ↑ "Tris-biphenyl triazine, a new ultraviolet filter studied in terms of photoprotective efficacy". International Journal of Pharmaceutics 487 (1–2): 120–123. June 2015. doi:10.1016/j.ijpharm.2015.03.077. PMID 25843762.
4. ↑ "The Damaging Effects of Long UVA (UVA1) Rays: A Major Challenge to Preserve Skin Health and Integrity". International Journal of Molecular Sciences 23 (15): 8243. July 2022. doi:10.3390/ijms23158243. PMID 35897826.
5. ↑ Naumov, Sergej; Herzog, Bernd; Abel, Bernd (2023-09-01). "Spectra and photorelaxation of tris-biphenyl-triazine-type UV absorbers: from monomers to nanoparticles" (in en). Photochemical & Photobiological Sciences 22 (9): 2143–2151. doi:10.1007/s43630-023-00436-y. ISSN 1474-9092. PMID 37277672. Bibcode: 2023PhPhS..22.2143N.
6. ↑ "Australian regulatory guidelines for sunscreens". Therapeutics Goods Administration. Australian Government. https://www.tga.gov.au/sites/default/files/australian-regulatory-guidelines-for-sunscreens.pdf.

* v
* t
* e

Sunscreening agents approved by the US FDA or other agencies

* UVA: 400–315 nm
* UVB: 315–290 nm
* chemical agents unless otherwise noted

UVA filters|

* Avobenzone (Parsol 1789)
* Bisdisulizole disodium (Neo Heliopan AP)
* Diethylamino hydroxybenzoyl hexyl benzoate (Uvinul A Plus)
* Ecamsule (Mexoryl SX)
* Menthyl anthranilate

UVB filters|

* Amiloxate
* 4-Aminobenzoic acid (PABA)
* Cinoxate
* Ethylhexyl triazone (Uvinul T 150)
* Homosalate
* 4-Methylbenzylidene camphor (Enzacamene)
* Octyl methoxycinnamate (Octinoxate)
* Octyl salicylate (Octisalate)
* Padimate O (Escalol 507)
* Phenylbenzimidazole sulfonic acid (Ensulizole)
* Polysilicone-15 (Parsol SLX)
* Trolamine salicylate

UVA+UVB filters|

* Bemotrizinol (Tinosorb S)
* Benzophenones 1–12
* Dioxybenzone
* Drometrizole trisiloxane (Mexoryl XL)
* Iscotrizinol (Uvasorb HEB)
* Octocrylene
* Oxybenzone (Eusolex 4360)
* Sulisobenzone
* hybrid (chemical/physical): Bisoctrizole (Tinosorb M / Eversorb M)
* physical:
* Titanium dioxide
* Zinc oxide

See also: Photoprotection, Sun protective clothing, Sun tanning, and Sunburn

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*[CID]: Compound ID
*[EPA]: U.S. Environmental Protection Agency
*[H413]: May cause long lasting harmful effects to aquatic life
*[P273]: Avoid release to the environment
*[P501]: Dispose of contents/container to …
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