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UV-329

Identification

Name

 

Octrizole

Synonyms

 

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

Chinese Names

 

奥克三唑; 2-(2'-羟基-5'-叔辛基苯基)苯并三唑; 紫外线吸收剂 UV-329

 

Molecular Structure

 

Octrizole, 2-(2H-Benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol CAS #: 3147-75-9

 

Molecular Formula

 

C20H25N3O

Molecular Weight

 

323.43

CAS Registry Number

 

3147-75-9

EINECS

 

221-573-5

 

 

 

Properties

 

Appearance

 

White powder

Purity

 

99%

Melting point

 

101-108

Transmittance

 

440nm,97%

500nm,99%

Loss on drying

 

0.5%

Ash

 

0.1%

 

 

 

Safety Data

 

Hazard Symbols

 

symbol   Xi    Details

Risk Codes

 

R36/37/38    Details

Safety Description

 

S26;S37/39    Details

 

 

 

Application

 

Unsaturated Polyester

 

0.2-0.5wt% based on polymer weight

Rigid PVC

 

0.2-0.5wt% based on polymer weight

Plasticized PVC

 

0.1-0.3wt% based on polymer weight

Polyurethane

 

0.2-1.0wt% based on polymer weight

Polyamide

 

0.2-0.5wt% based on polymer weight

 

 
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