UV-328

UV-328
Names
	Preferred IUPAC name 2-(2H-1,2,3-Benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol
	Other names 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol; Tinuvin-328; UV-328
Identifiers
CAS Number	25973-55-1;
3D model (JSmol)	Interactive image;
ChemSpider	30728;
ECHA InfoCard	100.043.062
EC Number	247-384-8;
PubChem CID	33263;
UNII	VN99CPK4TI;
CompTox Dashboard (EPA)	DTXSID2027886 ;
	InChI InChI=1S/C22H29N3O/c1-7-21(3,4)15-13-16(22(5,6)8-2)20(26)19(14-15)25-23-17-11-9-10-12-18(17)24-25/h9-14,26H,7-8H2,1-6H3 Key: ZMWRRFHBXARRRT-UHFFFAOYSA-N;
	SMILES CCC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC=CC3=N2)O)C(C)(C)CC;
Properties
Chemical formula	C22H29N3O
Molar mass	351.494 g·mol−1
Appearance	Solid
Melting point	80-86 °C
Solubility in water	0,17±0,07 μg·l−1 (25 °C)
Hazards
	GHS labelling:
Pictograms
Signal word	Warning
Hazard statements	H373, H413
Precautionary statements	P260, P273, P314, P501
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

UV-328 (2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol) is a chemical compound that belongs to the phenolic benzotriazoles. It is a UV filter that is used as an antioxidant for plastics.^[3]

^ Wypych, Anna (2015-07-08). Databook of UV Stabilizers. Elsevier. ISBN 978-1-927885-03-1.
^ Cite error: The named reference Ngoc Do was invoked but never defined (see the help page).
^ "2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol". www.trc-canada.com. Retrieved 2019-05-28.

[auto-1] Wypych, Anna (2015-07-08). Databook of UV Stabilizers. Elsevier. ISBN 978-1-927885-03-1.

[Ngoc_Do-2] Cite error: The named reference Ngoc Do was invoked but never defined (see the help page).

[3] "2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol". www.trc-canada.com. Retrieved 2019-05-28.

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