Category:

Description

Uvitex/Tinopal OB, Optical Brightener OB

Chemical Name:

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

Formula C26H26N2O2S  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:

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 14
Dimethylformamide 0.8
Dioxane 2
n-Hexane 0.2
Methanol <0.1
Methylethylketone 1.3
Tricresylphosphate 0.8
Xylene 5

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

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