optical brighteners

optical brighteners

OB (FBA184)

Chemical Name:2,5-Bis(5-tert-butyl-benzoxazol-2-yl)thiophene

Molecular Formula:C26H26N2O2S

Molecular Weight: 431

CAS No.: 7128-64-5

Product Details

Product Description

The product is light green or green powder, non-toxic and tasteless, can dissolve in alkane, fat, mineral oil, paraffin and most organic solvents, the absorption spectra of the largest value for 375 mm (in ethanol).

Application

A good whitening agent for PVC,PS,PE,PP,ABS,thermoplastic plastics,Acetate fiber,paint,coating and printing ink,etc.

Storage

Store in a cool, dry place away from direct sunlight.

Product Specifications

Appearance: Light green powder

Purity: 99.0%Min

Melting point:201~205℃

Solubility: hardly soluble in water,but soluble in paraffin,mineral oils and ordinary organic solvents.

Package:25kgs/drum.

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