Description

Fluorescent Brightening Agent 223 is a high-performance optical brightener belonging to the stilbene derivative class. This agent is essential for enhancing the perceived whiteness and brightness of substrates by absorbing ultraviolet light and re-emitting it as visible blue light. It is a critical additive for manufacturers in the paper, detergent, textile, and plastics industries seeking to achieve superior product aesthetics and market appeal. Its effectiveness under various processing conditions makes it a versatile choice for modern industrial applications.

Application

• Primary brightener in laundry detergents and fabric softeners for enhanced whiteness of textiles.
• Coating and surface treatment agent for high-quality papers and boards.
• Additive for synthetic fibers, including polyamide (nylon) and polyester, during polymerization or spinning.
• Brightening component in plastics and polymers to improve visual appeal.
• Used in the formulation of household and industrial cleaning products.
• Application in specialty coatings and paints where optical brightening is required.

Basic Information

Product Name	Fluorescent Brightening Agent 223
CAS No.	64104-47-8
Molecular Formula	C₄₀H₄₂N₁₂O₆S₂
Molecular Weight	843.0 g/mol
Synonyms	Fluorescent Brightener 223; FBA 223; Optical Brightener 223; 2,2'-(1,2-Ethenediyl)bis[5-[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]benzenesulfonic acid disodium salt; 4,4'-Bis[[4-[bis(2-hydroxyethyl)amino]-6-(phenylamino)-1,3,5-triazin-2-yl]amino]stilbene-2,2'-disulfonic acid disodium salt; Tinopal CBS-X; Blankophor BBH
EINECS	Contact for details

Quality Control

Our Fluorescent Brightening Agent 223 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure consistent purity, performance, and compliance with relevant industry specifications. Certificates of Analysis (COA) documenting key parameters such as assay, brightness value, and solubility are provided and available upon request 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 room temperature (15-25°C). Keep away from heat sources and incompatible materials. The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	Yellowish powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Brightness Value	≥ 120% (vs. Standard)
Moisture Content	≤ 5.0%
Ash Content	≤ 0.5%
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.