2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole CAS 21615-49-6powder-3

2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole CAS 21615-49-6powder-2

2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole CAS 21615-49-6-powder-1

2-(2′-Hydroxy-3′,5′-di-tert-pentylphenyl)-benzotriazole CAS 21615-49-6

CAS：21615-49-6
Purity：/
Molecular Formula：C22H29N3O
Molecular Weight：351.49
EINECS：247-384-8
Thời gian lưu trữ: liệu lưu trữ Niêm phong

Synonyms: ULTRAVIOLETABSORBERUV-328;TINUVIN328;2-(2′-HYDROXY-3′,5′-DI-TERTAMYLPHENYL)BENZOTRIALE;2-(2-HYDROXY-3,5-DI-TERT-AMYLPHENYL)BENZOTRIAZOLE;2(2′-HYDROXY-3′,5′-DI-TERT-AMYLPHENYL)BENZOTRIAZOLE;4,6-Di-tert-amyl-2-(5-chloro-2H-benzotriazol-2-yl)-phenol;2-(2-Hydroxy-3,5-diamylphenyl)benzotriazole

What is UV-328 CAS 21615-49-6？

UV-328 is an ultraviolet light absorber (UVA) of the hydroxyphenylbenzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.

Ứng dụng

UV-328 is a highly effective light stabilizer for a variety of plastics and other organic substrates. Its use is recommended for the stabilization of styrene homo- and copolymers, acrylic polymers, unsaturated polyesters, polyvinylchloride, polyolefins, polyurethanes, polyacetals, polyvinyl butyral, elastomers, and adhesives.

Đặc điểm kỹ thuật

MỤC		CHUẨN
Sự xuất hiện		light yellowish powder or pellet
Điểm Nóng Chảy (°C)		81 min
Ash (%)		0.05 max
Volatile matter (%)		0.5 max
Truyền	440 nm (%)	97 min
	500 nm (%)	98 min
Assay (%)		99.0 min