Product Specifications
| Prod Model: |
The catalyst and chemical additives |
| Markets: |
North America,South America,Eastern Europe,Southeast Asia,Africa,Oceania,Mid East,Eastern Asia,Western Europe |
| Purity: |
98.0% Min |
| Melting Point: |
101-106°c Min |
| Loss On Drying: |
0.50% Max |
| Ash: |
0.05% Max |
| Transmittance 440nm: |
97.0% Min |
| Transmittance 500nm: |
98.0% Min |
| Appearance: |
Powder |
| Kind: |
Absorbers |
Product Description
UV-329 is a benzotriazole type UV absorber. Characterized by its strong , broad range UV absorption property, UV-329 brings excellent photo stability to polymers against UV light exposurein many ways i.e. Retarding color yellowing, preventing embrittlement, maintaining of mechanical properties etc.
Product Name UV 329 (UV 5411)
Identification
Synonyms : 2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole; Octrizole
Molecular Formula : C20H25N3O
Molecular Weight : 323.43
CAS Number : 3147-75-9
EINECS/ELINCS : 221-573-5Properties
Appearance : white powder
Melting Range : 101-106 °C
Solubility : insoluble in water; soluble in benzene, styrene, ethye acetate, slightly soluble in ethyl alcohol
Stability : stable under ordinary conditions
Specification | Item | Specification |
| Appearance | white to light yellowish powder or granula |
| Purity | 98.0% min |
| Melting point | 101-106°C min |
| Loss on drying | 0.50% max |
| Ash | 0.05% max |
| Transmittance 440nm | 97.0% min |
| Transmittance 500nm | 98.0% min |
Application
UV-329 is a benzotriazole type UV absorber. Characterized by its strong , broad range UV absorption property, UV-329 brings excellent photo stability to polymers against UV light exposurein many ways i.e. Retarding color yellowing, preventing embrittlement, maintaining of mechanical properties etc.
Good solubility for polymer and little volatility. Mainly used for polyetyrene, poly (methyl methacrylate), polyester and ABS resins etc.
Packing and Storage
Packing In 20kgs net carton or 25kg cardboard drum
Storage Keep tightly closed and store in cool and dry place
Safety Information
Non-hazardous for air, sea and road freight.
Adhering to a strict way of doing things right, honoring every commitment, and continuing to create value for customers are SunwiseChem's fundamental principles. Since the founding, Shanghai Sunwise Chemical Co, Ltd. has been endeavored to understand customers' individual needs, and provide global customers one stop sourcing, Research and Development, custom synthesis and value added services. Our main products cover pharmaceutical and pesticide raw materials and intermediates, plastic, PU and TPU additives, water treatment chemicals, new material chemicals and organic solvents.
Thanks to sensitivity and continuous attention to pharmaceutical and pesticides and new materials industry, SuniwseChem has founded Shanghai Transchem Technology Co., Ltd., specialized in the custom Research and Development and technology innovation. We are able to provide comprehensive service from lab scale synthesis, pilot production till industrialized production.
We are committed to delivering quality products and values beyond chemicals to our customers through continuous innovation and quality improvement
