Description

C.I. Fluorescent Brightener 192 is a high-performance stilbene-based optical brightening agent (OBA) designed to enhance the whiteness and brightness of various substrates. Its primary value lies in its ability to absorb ultraviolet light and re-emit it as visible blue light, effectively counteracting yellowing and creating a visually brighter, cleaner appearance. This product is essential for manufacturers in the textile, paper, detergent, and plastics industries seeking to improve the aesthetic quality and perceived value of their finished goods. We supply this critical additive with a focus on consistent quality and reliable global supply chains.

Application

C.I. Fluorescent Brightener 192 finds extensive use across multiple industries where optical brightening is required:

• Textile Finishing: For whitening and brightening synthetic fibers like polyester, nylon, and acetate, as well as their blends.
• Laundry Detergents & Fabric Softeners: Incorporated into powder and liquid formulations to impart a "whiter-than-white" look to laundered fabrics.
• Paper Manufacturing: Used in coating formulations and pulp to achieve high brightness grades in fine papers, tissues, and board.
• Plastics and Polymers: Added to masterbatches for whitening thermoplastics such as PVC, polystyrene, and polyolefins.
• Soaps and Personal Care: Employed in bar soaps and certain cosmetic formulations to enhance visual appeal.
• Coatings and Inks: For brightening effects in specific specialty coatings and printing inks.

Basic Information

Product Name	C.I. Fluorescent Brightener 192
CAS No.	12270-54-1
Molecular Formula	C₄₀H₄₂N₁₂O₆S₂
Molecular Weight	843.0 g/mol
Synonyms	Fluorescent Brightener 192; FB 192; Tinopal CBS-X; Blankophor BBH; 4,4'-Bis[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]stilbene-2,2'-disulfonic acid disodium salt; 2,2'-(1,2-Ethenediyl)bis[5-[[4-[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]phenyl]sulfonyl]benzenesulfonic acid] disodium salt; Benzenesulfonic acid, 2,2'-(1,2-ethenediyl)bis[5-[[4-[(4-anilino-6-morpholino-1,3,5-triazin-2-yl)amino]phenyl]sulfonyl]-, disodium salt
EINECS	235-543-6

Quality Control

Our production of C.I. Fluorescent Brightener 192 adheres to a stringent quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, strength, and performance characteristics. Certificates of Analysis (COA) documenting key parameters are available for review and provided with each shipment. We are committed to supplying a product with the consistency required for industrial-scale manufacturing processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials and sources of heat. For long-term storage, ensure the original packaging remains sealed to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Yellowish-green powder
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 98.0%
Moisture Content	≤ 5.0%
Ash Content	≤ 0.5%
Absorbance (in solution)	Within defined range
Fluorescence Intensity	Meets standard reference
Solubility (in water)	Partially soluble

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