optical brightener bbu

Optical Brightener BBU, Fluorescent Brightener 220 Chemical Name: Formula chemical structure 16470-24-9 Synonyms: BASF Tinopal ABP,  Blankophor P,  Leucophor U Specification: Appearance slight yellow powder or light brown liquid Solid Content 25% for liquid, 99.8 for powder PH content 8-11 E Value Powder 480 Liquid 125-128 Application:    1.BBU is convenient in applications, diluted with water perfectly, suitable for continuous addition; 2.Good acid stability; 3.Great performance in size…

optical brightener 236

[table id=63 /] Optical Brightener 236, CAS 3333-62-8 7-(2H-naphtho[1,2-d]triazol-2-yl)-3-phenyl-2-benzopyrone Formula C25H15N3O2   MW  1165.05 CAS# 3333-62-8 Synonym Name: Fluorescent Brightener 236 (FBA 236) Specification: Appearance: off-white powder melting point: 155-160℃ >Features: >Optical Brightener 236 can replace OB and used to brightening general plastics. with good weather fastness, best OB to white top grade PVC products Handing and Safety:  >For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet. Package: 25kg each fiber barrel.

Optical Brightener 4BK

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

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 KSB

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…

Optical Brightener PF

[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

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

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

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…

Optical brightener ER-II

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.…