2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol

Product no. chemwill-UVAB329-920523

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UV-329 CAS 3147-75-9

UV-329
Synonyms:    2-(2h-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)-pheno;benzotriazollightabsorber;ultravioletabsorbentuv-5411;2-benzotriazol-2-yl-4-(1,1,3,3-tetramethylbutyl)phenol;UV-329;2-(2H-Benzotriazol-2-yl)-4-tert-octylphenol;Ultraviolet Absorber UV-329 (Tinuvin329);2-(2'-Hydroxyphenyl)benzotriazole
CAS:    3147-75-9
MF:    C20H25N3O
MW:    323.43
EINECS:    221-573-5

Octrizole; 2-benzotriazol-2-yl-4-(1,1,3,3-tetramethylbutyl)phenol; 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole; UV-329; 2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole; Cyasorb 5411; Tinuvin 5411; Primesorb5411; 2-(2'-Hydroxy-5'-tert-Octyl Phenyl)-Benzotriazole; BHSORB-329; 2-(2'-hydroxy-5-tert-octylphenyl) benzotriazole; 2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)Benzotriazole; 2-(2'-HYDROXY-5'-TERT-OCTYL PHENYL) Benzotriazole; LABOTEST-BB LT00053579; EUSORB 323; TINUVIN 329; UV absorber-329; 2-(2H-benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol; Ultraviolet absorberUV-329; 2-(2H-Benzotriazol-2-yl)-4-tert-octylphenol; Ultraviolet absorbent UV-329; UV 329; UV-5411
 2-Benzotriazolyl-4-tert-octylphenol is a derivative of Bisoctrizole, a compound used to absorb ultraviolet light, often added to sunscreen formulations.
2-(2H-Benzo[d][1,2,3]triazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol; TINUVIN 329; 2-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol; ThasorbUv329; Cyasorb UV 5411;
Appearance & Physical State     Slightly yellowish powder
Density     1.1g/cm3
Boiling Point     471.8ºC at 760 mmHg
Melting Point     106-108ºC
Flash Point     239.2ºC
Refractive Index     1.584
Vapor Pressure     1.58E-09mmHg at 25°C
Safety Info
Safety Statements     26-37/39
HS Code     2933990090
Product Categories:    Intermediates of Dyes and Pigments;-;Industrial/Fine Chemicals;Phenoles and thiophenoles
Mol File:    3147-75-9.mol
UV-329 Structure
UV-329 Chemical Properties
Melting point     106-108 °C(lit.)
InChIKey    IYAZLDLPUNDVAG-UHFFFAOYSA-N
CAS DataBase Reference    3147-75-9(CAS DataBase Reference)
EPA Substance Registry System    Phenol, 2-(2H-benzotriazol-2-yl)-4-( 1,1,3,3-tetramethylbutyl)- (3147-75-9)
Safety Information
Hazard Codes     Xi
Risk Statements     36/37/38
Safety Statements     26-37/39
WGK Germany     1
HS Code     2933997500
MSDS InformationUV-329
UV-329 Usage And Synthesis
Characterization    UV-329 is an ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, which is used as a light stabilizer for plastics and other organic substrates.
Applications    UV-329 is an effective light stabilizer for a variety of plastics and other organic substrates.
Features/benefits    UV-329 protects polymers from UV radiation, helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.
UV-329 Preparation Products And Raw materials