Min. Order Reference FOB Price
25 kg Negotiable
Product Description
UV Absorber 328 tails Chemical Name 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole Formula C22H29N3O Structure CAS NO. 25973-55-1 Molecular Weight 351.5 Specifications Appreance Yellowish powder or cylindrical granule Purity ≥99%(HPLC) Melting Point 79-87 oC Ash ...