2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329)

CAS Number
3147-75-9
Name
2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol (UV-329)
SIN Groups
Alkylphenols
Benzotriazols
Reason for inclusion on the SIN List
This substance is Persistent, Bioacumulative and Toxic. It has been found in human breast milk and blood from polar bears and dolphins.
Date for inclusion on the SIN List
2019 November
Registration information
Source: 
Full registration

Chemical information

Synonyms
2-(2H-1,2,3-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)- phenol; 2-(2'-Hydroxy-5'-tert-octylphenyl)benzotriazole; Octrizole, Tinuvin 329; Cyasorb 5411; Viosorb 583; Lowilite 29; Eversorb 72
EC number
221-573-5
Registered production volume
Source: ECHA
1000-10000 tonnes per annum
(Bio)monitoring data
The substance has been found human breast milk, blood from polar bears and dolphins, fish and seals. Also in water, sediment, sludge and soil.
Possible uses
Source: 
This substance is a plastic additive used in polyamides, polyesters, polyacetals, adhesives, and sealants. It is registered as being used in air care products, coatings, adhesives, sealants, lubricants, greases, polishes, waxes, washing and cleaning products, rubber, plastics and electronics.
Technical function of substances
Source: 
UV-filter
3147-75-9