CAS No.: | 25973-55-1 |
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Formula: | C22h29n3o |
EINECS: | 247-384-8 |
Environmental Protection: | Yes |
Color: | Light Yellow |
Kind: | UV Absorber |
Samples: |
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Customization: |
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Chemical Name:2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole Formula:C22H29N3O
CAS NO.:25793-55-5
Appreance |
Yellowish powder or cylindrical granule |
Purity |
≥99%(HPLC) |
Melting Point,ºC |
79-87 |
Ash |
≤0.1% |
Loss On Drying |
≤0.5% |
Transmittance |
460 nm≥96% 500 nm≥97% |
This product is a high efficient UV absorber, which can effectively absorb 270-340 nm UV light. The light stability is similar to UV-326 and UV-327, but this product has good dissolubility with the resins. Its heat volatility is low and its durability to washing is very good.
PS |
PE |
Polyester |
PVC |
PC |
0.2-0.5% |
0.2-0.4 % |
0.3-0.5% |
0.2-0.5 % |
0.15-0.3% |
20kg/drum
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