27344-41-8

Basic information

• Product Name: Disodium 4,4'-bis(2-sulfostyryl)biphenyl
• Synonyms: tinopalcbs;fluorescent brightener cbs-x;DISODIUM 4,4'-BIS(2-SULFONATOSTYRYL)BIPHENYL;brightener br 49;2,2'-[(1,1'-BIPHENYL)-4,4'-DIYLDI-2,1-ETHENEDIYL]-BIS-BENZENESULFONIC ACID DISODIUM SALT;4,4'-BIS(2-SULFONATOSTYRYL)BIPHENYL DISODIUM SALT;4,4'-BIS(2-SULFOSTYRYL)BIPHENYL DISODIUM SALT;STILBENE 3
• CAS NO: 27344-41-8
• Molecular Formula: C28H20Na2O6S2
• Molecular Weight: 562.56
• EINECS: 248-421-0
• Product Categories: Biphenyl & Diphenyl ether;Stilbenes;Aromatics;Intermediates & Fine Chemicals;Pharmaceuticals;Sulfur & Selenium Compounds;brightener
• Mol File: 27344-41-8.mol
• Article Data: 0

Chemical Properties

• Melting Point: >300°C (dec.)
• Appearance: /
• Density: 1.414
• Storage Temp.: Inert atmosphere,Room Temperature
• Solubility: DMSO (Sparingly), Methanol (Slightly), Water (Slightly)
• Water Solubility: 17.6g/L at 20℃
• CAS DataBase Reference: Disodium 4,4'-bis(2-sulfostyryl)biphenyl(CAS DataBase Reference)
• NIST Chemistry Reference: Disodium 4,4'-bis(2-sulfostyryl)biphenyl(27344-41-8)
• EPA Substance Registry System: Disodium 4,4'-bis(2-sulfostyryl)biphenyl(27344-41-8)

Safety Data

• Safety Statements: 24/25
• Hazardous Substances Data: 27344-41-8(Hazardous Substances Data)

Usage

Description

Disodium 4,4'-bis(2-sulfostyryl)biphenyl is a greenish-yellow crystalline bead that is water-insoluble and has a purity of at least 99%. It exhibits maximum UV absorption in the range of 348-350nm. Disodium 4,4'-bis(2-sulfostyryl)biphenyl is characterized by its unique chemical properties and is known for its use as a fluorescent whitening agent.

Uses

Used in Household Goods Industry:
Disodium 4,4'-bis(2-sulfostyryl)biphenyl is used as a fluorescent whitening agent for enhancing the appearance of various household goods. Its ability to absorb UV light and emit fluorescence contributes to the brightening effect, making it a valuable additive in the production of textiles, detergents, and other consumer products.
The solubility of Disodium 4,4'-bis(2-sulfostyryl)biphenyl increases with temperature, with values of 25g/L at 25°C, 100g/L at 70°C, and 300g/L at 95°C. This property allows for its effective incorporation into various formulations and applications within the industry.

Flammability and Explosibility

Nonflammable

Safety Profile

Mddly toxic by ingestion. A skin and severe eye irritant. Experimental reproductive effects. When heated to decomposition it emits toxic fumes of SOx and Na2O.

TEST ITEMS

SPECIFICATION

WATER INSOLUBLE

0.03% MAX

SOLUBILITY

25°C 25g/L, 70°C 100g/L, 95°C 300g/L

PURITY

99% min

MAX UV ABSORPTION

348-350nm