Optical Brightener 4BK(87), CAS 12768-91-1 2.5-bis-(benzoxazol-2-)thiophene Formula C40H40N12O16S4.4Na MW 1165.05 CAS# 12768-91-1 Synonym Name: Fluorescent Brightener 87(FBA 87), Fluorescent Brightener 4BK Specification: Appearance: Slight yellow uniform powder Shade: Slight bluish Water:<5% Fineness(120 mesh residue):≤5% Features: >Optical Brightener 4BK is used in whitening cotton fabric and polyester/cotton blends. Handing and Safety: >For additional handing and…
Optical Brightener EBF, Fluorescent Brightener 185 2.5-bis-(benzoxazol-2-)thiophene Formula C18H10N2O2S MW 318 CAS# 12224-41-8 Synonym Name: Fluorescent Brightener 185 (FBA 185), C.I.185, Fluorescent Brightener EBF Specification: Appearance: Bright-colored light yellowish crystal powder Melting Point:216~220°C Purity:≥99% Features: Optical Brightener EBF is used in making commercialized Brightener-EB, and can also be used in various polyolefin plastics, ABS engineering…
Optical Brightener Telalux KSB Chemical Name: 1,2di(methyl-benziazol)ethlene Formula C26H18N2O2 MW 390 CAS# 7128-54-5 Synonym Name: Fluorescent Brightener 369 (FBA 369 ), C.I.369, Telalux KSB, Fluorescent Brightener KSB Specification: Appearance: slight yellow crystallized powder Melting Point:237°C~239°C Purity:≥99% Features: Optical Brightener KSB is mainly used in whitening synthetic fiber and plastic products, especially good at whitening of film，EVA…
BX UV 360 Chemical Name: 2,2′-Methylenebis[6-(2H-benzotriazol-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol] Specification: Formula C41H50N6O2 Molecular Weight 658.9 CAS# 103597-45-1 Appearance Yellowish powder Purity ≥99%(HPLC) Melting Point 195-198oC Ash ≤0.1% Loss On Drying ≤0.3% Transmittance 460 nm≥97% 500 nm≥98% Application: > BX UV 360 is a highly effective ultraviolet light absorber, which exhibits strong absorbance in the 300-400nm region and…
BX UV 765 Properties Chemical Name:Bis(1,2,2,6,6-pentamethyl-4-pperidyl)sebacate +1-(methyl)-8- (1,2,2,6,6-pentamethyl-4-pperidyl) sebacate Formula C32H56N2O4 Molecular Weight 508 CAS# 41556-26-7 Specification: Appearance clear, slightly yellow liquid Relative density 0.993g/cm3(20 ℃) flashpoint 92℃ Application: Liquid hindered amine light stabilizer 765 is widely used to improve the weather resistance of many polymers and applications including polyurethanes, sealants, adhesives, elastomers, unsaturated…
BX UV 384-2 Chemical Name: 95% Benzenepropanoic acid, 3-(2H-benzotriazol-2-yl)-5-(1,1-dimethylethyl)-4-hydroxy-, C7-9-branched and linear alkyl esters，and 5% 1-methoxy-2-propyl acetate Formula C27H37N3O3 Molecular Weight 415.6 CAS# 127519-17-9 Specification: Appearance pale yellow liquid Relative density 1.07g/cm3(20 ℃) Viscosity 2600-3600mPa•s(20℃) Application: > Tinuvin 384-2 shows high thermal stability and high compatibility in various polymers. It is especially suitable for industrial and automotive coatings…
[table id=63 /] Optical Brightener PF, CAS 1041-00-5 Chemical Name: 1,2di(methyl-benziazol)ethlene Formula C18H14N2O2 MW 290 CAS# 1041-00-5 Synonym Name: Fluorescent Brightener 135 (FB 135 ), C.I.135, Fluorescent Brightener PF Specification: Appearance: light yellow crystalline powder Color shade: blue fluorescent light tones Purity: ≥99% Melting point: 182-188℃ >Features: >Optical Brightener PF is used in brightening PVC, PS, PP, polyester film, PE, ABS, organic glass,…
Optical Brightener VBL, CAS 12224-16-7 Chemical Name: Formula C36H34N12O8S2Na2 MW 872.84 CAS# 12224-16-7 Synonym Name: Fluorescent Brightener 85 (FBA 85 ), C.I.85 , Fluorescent Brightener VBL Specification: Appearance: light yellow powder Purity: ≥98% Features: >Optical Brightener VBL is used in whitening and brightening cellulose fabric, paper, light colored cellulose, dial dye printing, etc. >Recommended concentrations: 0.05-0.5% depend on the application and degree of desired whiteness. Handing and…
Optical Brightener ER-I, CAS 13001-39-3 Chemical Name: 1,4-Bis(2-cyanostyryl)benzene Formula C24H16N2 MW 332.4 CAS# 13001-39-3 Synonym Name: Fluorescent Brightener 199 (FB 199), C.I.199, Fluorescent Brightener ER-I Specification: Appearance: greenish yellow crystalline powder Purity: ≥99% Melting point: 229-231℃ Features: >Optical Brightener ER-I is used in whitening and brightening polyester fiber. It has a favorable whitening (brightening) agent for polyethylene, polypropylene,…
Optical Brightener FP-127, Uvitex FP Chemical Name: 4,4′-Bis(2-methoxystyryl)-1,1′-biphenyl; Formula C30H26O2 MW 418.53 CAS# 40470-68-6 Synonym Name: FP-127, Fluorescent Brightener 378 (FB 378 ) , C.I.378 , Fluorescent Brightener FP-127, Uvitex FP Specification: Appearance: light yellow powder Purity: ≥99% Melting point: 219-221℃ Fineness: ≥300 meshes Features: >Optical Brightener FP-127 is used in whitening…
