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 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 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 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 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…
BX UV V703 Specification: Appearance light yellow small flakes or granules Melting Range 51-60℃ Assay ≥99.9% Relative density 1.160（25℃） UV absorber wavelength range 270-340nm Application: >Features: Compatible with most polymers, especially Polyolefin such as PP, PE, and PVC >Better UV absorbability than BX UV 770, UV-326, UV-3808PP5, HALS-791, and lower color stain. >Good synergism with…
BX UV 2908 Chemical Name: Hexadecyl 3,5-bis-tert-butyl-4-hydroxybenzoate Formula C31H54O3 Molecular Weight 474.76 CAS# 67845-93-6 Specification: Appearance White to off white powder Softening point ＞58.0 Purity ≥ 99.0 % Application: >UV 2908 is mainly used in polyolefin plastic like PP and PE. >BX UV 2908 has excellent compatibility with UV absorbers, HALS, and thioesters.…
BX UV 770 Chemical Name: bis(2,2,6,6-tetramethyl-4-piperidyl)sebacate Formula C28H52O4N2 Molecular Weight 480.74 CAS# 52829-07-9 Specification: Appearance white crystalline granules Melting point 81℃-85℃ Flashpoint > 150°C Solubility（20℃） Water < 0.01 MeOH 38 EtOH 50 Acetone 19 Ch2Cl2 56 Hexane 5 Application: >BX UV 770 is A Low molecular weight hindered amine light stabilizer (HALS). also…
Antioxidant BX AO 900 Chemical Name Formula 31570-04-4:2082-79-3=4:1 Antioxidant 168 : Antioxidant 1076=4:1 Synonym names: irganox b 900 Specification: Appearance White powder Volatilizing Max.0.50% Assay, effective components Min.98.0% Transmittance 425nm Min.95.0% 500nm Min.98.0% Application: Features: Maintenance of original melt flow; Low color formation; Improvement of long-term thermal stability. >Antioxidant bx ao b900 used in polyethylene…
Antioxidant BX AO 215 Chemical Name: Formula 6683-19-8 : 31570-04-4=1:2 Antioxidant 1010:Antioxidant 168=1:2 Specification: Appearance White powder Volatilizing Max.0.50% Assay, effective components Min.98.0% Transmittance 425nm Min.95.0% 500nm Min.98.0% Application: >Features: Maintenance of original melt flow; Low color formation; Improvement of long-term thermal stability. >The compound antioxidant B215, B225 and B900 are all low volatile…
