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UV ABSORBER UV 328 CAS NO.25973-55-1
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| Post Date: | Mar 16,2023 |
| Expiry Date: | Mar 15,2024 |
| Detailed Description: |
Cas No. :25973-55-1
Quantity: 50Metric Tons Price:Negotiable USD Metric Tons Payment Method: T/T,L/C,D/P Chemical name: 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole CAS No.：25973-55-1 Molecular formula：C22H29N3O Molecular weight：351.5 Molecular structure Specification Appearance: Slightly yellow powder Assay (HPLC), %: ≥ 99 Melting point，℃：80-88 Ash, %: ≤0.1 Loss on drying, %: ≤ 0.5 Transmittance 460nm≥96% 500nm≥97% Solubility (20℃, g/100ml solvent) Acetone:6 Benzene:39 Butyl carbitol:3.5 Butanol:2.5 Chloroform:44 Xylene:34 Ethyl Acetate:20 Ethylene Glycol:4 n-Hexane:16 Methanol:0.4 Butyl acetate: 15 Methyl Ethyl Ketone(MEK):14 Methylene Chloride:56 Water＜0.01 Application UV ABSORBER HOSORB-328 is a benzotriazole UV absorber with strong absorption of ultraviolet radiation in the 300-400nm region. It offers excellent light stability to organic substance, good compatibility and outstanding solubility in plastics. It is used in the light stabilization of a wide range of plastics, including polyolefins, polyurethanes, PVC, acrylics, styrenic polymers, unsaturated polyesters, and others. It is also useful in the light stabilization of adhesives and solvent-based coatings. Packing 25kg/fiber drum; 25kg/carton, or as per customer’s request. Storage Containers should be kept tightly closed when not in use. Store it in a dry, cool, well-ventilated shady place. Recommended Dosage Unsaturated Polyester : 0.2-0.5% Rigid PVC : 0.2-0.5% Plasticized PVC : 0.1-0.3% Polyurethane : 0.2-1.0% Polyamide : 0.2-0.5% |
| CAS Registry Number: | 25973-55-1 |
| Synonyms: | ;2-(2-Hydroxy-3,5-dipenryl-phenyl) benzotriazole;2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-phenol;2-(2H-hydroxy-3-5-Di-tert-Amyllphenyl)benzotriazole;UV-328;Tinuvin 328;Primesorb328;Ultraviolet absorbent UV-328;2-(2'-Hydroxy-3',5'-di-tert-Pentyl Phenyl)-Benzotriazole;BHSORB-328;2-(2'-Hydroxy-3',5-dipenryl-phenyl) benzotriazole;UV absorber-328;UV absorber UV-328;2-(2H-benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol;Ultraviolet absorberUV-328;2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol;Ultraviolet absorber UV-328;UV 328;2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol; |
| Molecular Formula: | C22H29N3O |
| Molecular Weight: | 351.4852 |
| Molecular Structure: | 
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| Hazard Symbols: |  Xi:Irritant; |
| Risk Codes: | R36/37/38:; |
| Safety Description: | S26:; S36:; |
| Company: | Guangzhou Chengshuai New Material Co.,Ltd. [ China ] |
| Contact: | David |
| Tel: | 862034708468 |
| Fax: | |
| Email: | info@hhochem.com |
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