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BX OBA ER-II

Optical Brightener

Optical Brightener ER-II, CAS 13001-38-2 Chemical Name: 1-(2-Cyanostyryl)-4-(4-cyanostyryl)benzene Formula C24H16N2   MW  332.4 CAS# 13001-38-2 Synonym Name: Fluorescent Brightener 199:1 (FB 199:1 ),  C.I.199:1,  Fluorescent Brightener ER-II Specification: Appearance: light yellow crystalline powder Color shade: royal purple Purity: ≥99% Melting point: 184-186℃ Features: >Optical Brightener ER-II is used in whitening polyester, polyester/cotton, polyester/yarn, polyester/linen and other blended fabrics.…

optical-brightener-cbsx-Tinopal CBS-X info@additivesforpolymer.com
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BX OBA CBS-X

Optical Brightener

Optical Brightener Tinopal CBS-X Chemical Name: 2,2′-([1,1′-Biphenyl]-4,4′-diyldi-2,1-ethenediyl)bis-benzenesulfonic acid disodium salt Formula C28H20S2O6Na2   MW      562 CAS# 27344-41-8 Synonym Name: Tinopal CBS-X, Fluorescent Brightener 351 (FB 351 ) , C.I.351, Fluorescent Brightener CBS-X Specification: Appearance Yellow powder Water content ≤5% Purity ≥99% Application: >Features: High solubility; Easy to formulate in all product types; No staining (pre-spot); Good…

optical-brightener-ksn Hostalux KSN Supplier & Manufacturer info@additivesforpolymer.com
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BX OBA KCB

Optical Brightener

Optical Brightener Hostalux KCB Chemical Name: 1,4-Bis(benzoxazolyl-2-yl)naphthalene; Formula C24H14N2O2   MW      362 CAS# 5089-22-5 Synonym name: Hostalux KCB, Fluorescent Brightener 367 (FB 367) , c.i.367, Fluorescent Brightener KCB Specification: Appearance yellow crystalline powder Dosage 0.01-0.05% Melting point 210-212℃ Purity ≥99% Maximum UV Absorption Spectrum 370nm Application: Optical brightener KCB mainly as plastic films, injection-molded materials, EVA…

optical-brightener-ksn Hostalux KSN Supplier & Manufacturer info@additivesforpolymer.com
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BX OBA KSN

Optical Brightener

Optical Brightener Hostalux KSN Chemical Name: 4.4-bis(5-methyl-2-benzoxoazol)-ethylene Formula C29H20N2O2 MW      442 CAS# 5242-49-9 Synonym name: Hostalux KSN, Fluorescent Brightener 368 (FB 368) , c.i.368, Fluorescent Brightener KSN Specification: Appearance Pale yellow powder Dosage 0.01-0.05% Melting point 269-271℃ Application: > KSN and OB-1 share similar chemical structure, while KSN has better whitening effect on PC…

Optical Brightener OB-1, Eastobrite OB-1 Supplier & Mfg info@additivesforpolymer.com
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BX OBA ob-1

Optical Brightener

Optical Brightener Eastobrite OB-1 Chemical Name: 2,2′-(vinylenedi-p-phenylene)bisbenzoxazole Formula C28H18N2O2   MW      414 CAS# 1533-45-5 Synonym name: Fluorescent Brightener 393 (FB 393 ) , C.I.393,  Fluorescent Brightener OB-1, Eastobrite OB-1 Specification: Appearance yellowish or greenish powder Melting point 357-359℃ Solubility (g/100 g solution) at 20° C: Acetone ＜0.1 Chloroform ＜0.1 Hexane ＜0.1 Methanol ＜0.1 Water…

Optical Brightener OB, Uvitex, Tinopal OB Supplier & Mfg info@additivesforpolymer.com
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BX OBA OB

Optical Brightener

Optical Brightener OB, Uvitex/Tinopal OB Chemical Name: 2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole) Formula C26H26N2O2S   MW      430 CAS# 7128-64-5 Synonym Name: Uvitex Ob, Tinopal OB, Fluorescent Brightener 184 (FB 184) , c.i.184, Fluorescent Brightener OB Specification: Appearance Slight greenish yellow powder Dosage 0.01-0.05% Melting point 196-200℃ Purity ≥99% Solubility (g/100 g solution) at 20° C: Acetone 0.5 Chloroform…