Description

Hexasodium 2,2'-[[6-morpholino-1,3,5-triazine-2,4-diyl]bis[imino(2-sulphonato-4,1-phenylene)vinylene(3-sulphonato-4,1-phenylene)]]bis[2H-naphtho[1,2-d]triazole-5-sulphonate] is a high-performance, water-soluble fluorescent whitening agent (FWA) belonging to the triazole-stilbene chemical class. This compound is engineered to deliver exceptional optical brightening effects on various substrates by absorbing ultraviolet light and re-emitting it as visible blue light. It is primarily utilized by manufacturers in the detergent, paper, textile, and plastics industries to enhance the perceived whiteness and brightness of finished products.

Application

• Laundry Detergents & Fabric Softeners: As a key optical brightener to improve the whiteness and brightness of laundered textiles, compensating for yellowing.
• Paper & Pulp Manufacturing: For brightening high-quality writing, printing, and tissue papers to achieve a superior, brilliant white appearance.
• Textile & Fiber Treatment: Applied in the finishing process of synthetic fibers (like polyester and nylon) and cotton blends to enhance whiteness.
• Plastics & Polymer Processing: Incorporated into polymers, adhesives, and coatings to correct inherent yellowness and improve aesthetic appeal.
• Soaps & Personal Care Products: Used in certain formulations to impart a clean, bright visual profile to bar soaps and cosmetic bases.

Basic Information

Product Name	Hexasodium 2,2'-[[6-morpholino-1,3,5-triazine-2,4-diyl]bis[imino(2-sulphonato-4,1-phenylene)vinylene(3-sulphonato-4,1-phenylene)]]bis[2H-naphtho[1,2-d]triazole-5-sulphonate]
CAS No.	73398-48-8
Molecular Formula	C~52~H~28~N~12~Na~6~O~22~S~6
Molecular Weight	Contact for details
Synonyms	Fluorescent Brightener 220; FWA 220; Optical Brightener 220; Tinopal CBS-X; Hexasodium 4,4'-bis[[4-[2-[4-[2-[4,6-bis(4-sulfonatophenylamino)-1,3,5-triazin-2-yl]amino]ethenyl]-3-sulfonatophenyl]ethenyl]-2-sulfonatophenyl]amino]-6-morpholino-1,3,5-triazine-2,4-diyl]bis(benzene-1,4-diyl)bis(ethene-2,1-diyl)]bis(3-sulfonatobenzene-1,4-diyl)bis(azanediyl)]bis(naphtho[1,2-d][1,2,3]triazole-5-sulfonate); Morpholinotriazinylaminostilbene disulfonic acid derivative, hexasodium salt; 2,2'-(1,2-Ethenediyl)bis[5-[[4-[4,6-bis[4-(2-sulfooxyethyl)phenylamino]-1,3,5-triazin-2-yl]amino]phenyl]azo]benzenesulfonic acid, hexasodium salt (related isomer).
EINECS	Contact for details

Quality Control

Our production of this fluorescent whitening agent adheres to strict quality management protocols to ensure batch-to-batch consistency and performance reliability. Quality is verified through comprehensive testing including HPLC for purity, spectrophotometry for strength, and assessments of solubility and hue. A Certificate of Analysis (COA) detailing all relevant specifications is provided with each shipment to support your quality assurance processes.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after use to prevent absorption of atmospheric moisture, which can affect product performance.

Specification

Item	Specification
Appearance	Yellowish to off-white powder
Identification (IR)	Conforms to standard
Assay (HPLC)	Min. 95.0%
Strength (Spectrophotometry)	100 ± 3% (vs. Standard)
Water Content	Max. 5.0%
pH (1% Solution)	7.0 - 9.0
Solubility in Water	Clear solution

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