Description

Fluorescent Brightener 54 is a high-performance stilbene derivative optical brightening agent (OBA) designed to impart a brilliant white appearance to various substrates. Its core value lies in its exceptional ability to absorb ultraviolet light and re-emit it as visible blue light, effectively compensating for yellowish tints and enhancing perceived whiteness and brightness. This makes it a critical component for manufacturers in the detergent, paper, textile, and plastics industries seeking to achieve superior product aesthetics and market appeal.

Application

• Laundry Detergents & Fabric Softeners: Primary application for whitening and brightening cotton, polyester, and blended fabrics, providing a "whiter-than-white" visual effect.
• Paper & Pulp Industry: Used in coating formulations and pulp bleaching processes to achieve high brightness grades in printing, writing, and specialty papers.
• Textile Finishing: Applied in the finishing bath for synthetic fibers like polyester and nylon, as well as cotton, to enhance whiteness and vividness of colors.
• Plastics and Polymers: Incorporated into polymers such as PVC, polyethylene, and polystyrene to correct inherent yellowness and improve the brightness of finished plastic products.
• Soaps and Personal Care Products: Added to bar soaps, liquid soaps, and cosmetic formulations to improve their visual appeal and perceived cleanliness.
• Coatings and Paints: Used in specific coating systems to increase opacity and brightness, particularly in white and light-colored finishes.

Basic Information

Product Name	Fluorescent Brightener 54
CAS No.	12768-89-7
Molecular Formula	C40H38N12Na2O8S2
Molecular Weight	924.9 g/mol
Synonyms	Tinopal CBS-X; 4,4'-Bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonic acid disodium salt; Fluorescent Brightener CBS-X; Optical Brightener 54; 2,2'-(1,2-Ethenediyl)bis[5-[[4-[bis(2-hydroxyethyl)amino]-6-(4-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]benzenesulfonic acid disodium salt; Blankophor BSU; FBA 54
EINECS	Contact for details

Quality Control

Our Fluorescent Brightener 54 is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure consistent performance, including purity (assay), strength, shade, and solubility. Certificates of Analysis (COA) detailing all test results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials and heat sources. Under these conditions, the product remains stable for an extended period.

Specification

Item	Specification
Appearance	Yellowish-green powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Strength (vs. Std.)	100 ± 3%
Shade	Neutral to bluish white
Moisture Content	≤ 5.0%
Solubility in Water	Clear solution
pH (1% Solution)	7.0 - 9.0

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