The chemical formula for disodium distyrylbiphenyl disulfonate is C₂₈H₂₀Na₂O₆S₂.
Disodium distyrylbiphenyl disulfonate is a widely recognized organic compound, primarily valued for its properties as an optical brightening agent. This complex molecule is designed to absorb ultraviolet light and re-emit it as visible blue light, effectively making textiles, paper, and detergents appear whiter and brighter by counteracting yellowing.
Chemical Composition and Identifiers
The formula C₂₈H₂₀Na₂O₆S₂ indicates that each molecule of disodium distyrylbiphenyl disulfonate contains 28 carbon atoms, 20 hydrogen atoms, 2 sodium atoms, 6 oxygen atoms, and 2 sulfur atoms. This specific arrangement of atoms gives the compound its unique chemical and physical properties.
To further categorize and identify this compound, several standard identifiers are used in scientific and industrial contexts:
| Identifier | Value |
|---|---|
| CAS Number | 27344-41-8 |
| FDA UNII | I25R28R1YG |
| MDL Number | MFCD00318874 |
| Molecular Weight | 562.57 g/mol |
These identifiers are crucial for unambiguous identification in chemical databases, safety data sheets, and regulatory filings worldwide.
Applications and Significance
Disodium distyrylbiphenyl disulfonate's primary role as an optical brightener makes it an indispensable component in numerous consumer and industrial products. Its ability to enhance visual whiteness and luminosity without using bleaches that can damage materials is highly valued.
Key applications include:
- Detergents: Incorporated into laundry detergents to make clothes appear brighter and whiter after washing.
- Paper Production: Used in the papermaking process to enhance the brightness and whiteness of various paper products, from printing paper to tissues.
- Textile Industry: Applied to fabrics, especially cotton and other natural fibers, to improve their visual appearance and combat yellowing over time.
- Plastics and Coatings: Can be integrated into certain plastics and surface coatings to provide a brighter finish.
Its broad utility underscores its importance in enhancing the aesthetic quality of everyday products, contributing to their perceived cleanliness and vibrancy.
