Category:

Description

Uvitex/Tinopal OB, Optical Brightener OB

Chemical Name:

2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole)

FormulaC26H26N2O2S optical-brightener-ob-tinopal-OB-chemical-structure info@baoxuchem.com
MW     430
CAS#7128-64-5

Synonym Name:

BASF Uvitex Ob, Tinopal OB,  Fluorescent Brightener 184 (FB 184) , c.i.184, Fluorescent Brightener OB

Specification:

AppearanceSlight greenish-yellow powder
Dosage0.01-0.05%
Melting point196-200℃
Purity≥99%
Solubility(g/100 g solution) at 20° C:
Acetone0.5
Chloroform14
Dimethylformamide0.8
Dioxane2
n-Hexane0.2
Methanol<0.1
Methylethylketone1.3
Tricresylphosphate0.8
Xylene5

Application:

>Optical Brightener are used to offset the yellowness of a polymer and yield a whiter appearance. OB is used as thermoplastic (PVC, PS, PE, PP, ABS) optical brightener. Also for coatings, printing inks, paints, dyes, manufactured fibers, synthetic leather, waxes, fats, and oils.  Ob is a general-purpose optical brightener agent.

>Recommended concentrations: 0.02-5% depending on the application and degree of desired whiteness.

Handing and Safety: 

>FDA approved for use in polymers subject to the limitations in 21 CFR §176.170(c).

>For additional handing and toxicological information, please consult us for Maternal Safety Date Sheet.

Package:

25kg per fiber drum, 6*2 layer 12 drums per pallet, 5CBM per ton,or according to customers’ requirements.

TDS & MSDS

Tinopal & Uvitex OB, Optical Brightener OB, CAS 7128-64-5, FBA 184 msds

Tinopal & Uvitex OB, Optical Brightener OB, CAS 7128-64-5, FBA 184 tds

Need Sample or Quote?

Related Products

Optical brightener for plastics, cotton, detergent, paper

ProductSynonymsCAS NumberFeatures

Optical Brightener For Plastics

FP-127Uvitex FP40470-68-6the best OBA for PVC products
KCBHostalux KCB5089-22-5OBA for plastics and lacquer, especial for EVA
KSBTelalux KSB7128-54-5OBA for transparent plastics, recycled PE/PP
KSNHostalux KSN5242-49-9OBA For high-temperature plastics, 100% counter
OBUvitex OB, Tinopal OB7128-64-5universal plastic OBA, also for ink, coating
OB-1Eastobrite OB-11533-45-5universal plastic OBA,  green or yellow shade
PFFBA 1351041-00-5strong red shade

Optical Brightener For Cotton

4BKFBA 11312768-91-1for cotton or with fabic blend, red or blue shade
ER-IFBA 19913001-39-3powder & liquid form, PE, PA, CA fiber, high temperature whitening
ER-IIFBA 199:113001-38-2powder & liquid form, PE, PA, CA fiber, lower temperature whitening
EBFFBA 18512224-41-8

Optical Brightener For Detergent

CBS-XTinopal CBS-X27344-41-8for detergent, soap, washing

Optical Brightener For Paper

VBLFBA 8512224-16-7for paper, also for cotton, vinylon, nylon
BBUFBA 22016470-24-9Replace VBL