Fluorescent Brightener OB CAS 7128-64-5 - 99.0% Purity Whitening Agent for Plastics & Fibers with 200-203°C Melting Point

Price Negotiable

Price: Negotiable

MOQ: 1 ton

Delivery Time: Negotiable

Brand: RUNYE

Product Description

Product Overview

Fluorescent Brightener OB (CAS NO 7128-64-5) is a high-performance whitening agent designed for industrial applications requiring excellent stability and superior whitening effects across various materials.

Technical Specifications

Property	Specification
Product Name	Fluorescent Brightener OB
Chemical Formula	C₂₆H₂₆N₂O₂S
C.I. Number	184
CAS Number	7128-64-5
Appearance	Light yellowish white powder or milky white powder
Purity	≥99.0%
Melting Point	200-203°C

Applications

Whitening and brightening polypropylene plastic, hard PVC, ABS, EVA, polystyrene, and polycarbonate
Whitening chemical fibers including polyester, nylon, and polypropylene fibers
Addition to conventional polymerization processes for polyester and nylon
Specialized whitening for high-temperature compaction plastics

Usage Guidelines

Application Type	Recommended Dosage
Whitening	0.01~0.05%
Improve Brightness	0.001~0.01%
Colorless Substrate in Polyolefin	0.0005~0.001%
White Matrix	0.005~0.05%

Performance Characteristics

Key Features

Effective whitening effect on cellulose fibers in both cold and warm water
Maintains fabric whiteness through repeated washing without yellowing or discoloration
Excellent stability in super concentrated liquid detergents and heavy scale formulations
Superior resistance to chlorine bleaching, oxygen bleaching, strong acids, and alkalis
Non-toxic formulation with no harmful side effects

All specifications and performance data are based on standard testing conditions and may vary with specific application requirements.