Description

Fluorescent Brightening Agent 254 is a high-performance stilbene-based optical brightener designed to enhance the whiteness and brightness of synthetic materials. It is a critical additive for manufacturers seeking to achieve superior visual appeal and color correction in their finished products. This agent is essential for industries involved in the production of plastics, synthetic fibers, coatings, and detergents, where optical properties directly impact market competitiveness.

Application

• Primary brightener for a wide range of thermoplastics, including PVC, PS, ABS, and polyolefins.
• Enhancement of whiteness and brightness in synthetic fibers such as polyester, nylon, and acrylics during spinning or finishing.
• Formulation additive for industrial and architectural coatings, paints, and inks to impart a clean, bright substrate appearance.
• Key component in laundry detergent and fabric softener formulations for textile care.
• Brightening agent for paper and pulp products to achieve high-grade whiteness.
• Use in soaps and personal care products where optical brightening is required.

Basic Information

Product Name	Fluorescent Brightening Agent 254
CAS No.	61968-75-0
Molecular Formula	C₄₀H₄₂N₁₂O₆S₂
Molecular Weight	843.0 g/mol
Synonyms	2,2'-(1,2-Ethenediyl)bis[5-[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]benzenesulfonic acid; FBA 254; Optical Brightener 254; OB-254; Fluorescent Whitening Agent 254; Tinopal CBS-X; Blankophor BSU; 4,4'-Bis[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonic acid
EINECS	Contact for details

Quality Control

Our Fluorescent Brightening Agent 254 is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistent performance, including assay, hue, and solubility verification. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity and key physical-chemical parameters to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Yellowish-green powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Ash Content	≤ 0.5%
pH (1% Solution)	7.0 - 9.0
Whiteness Index	Standard sample match

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.