5242-49-9

Basic information

• Product Name: Fluorescent Brightener KS-N
• Synonyms: 2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-benzoxazol;2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-Benzoxazole;5-Methyl-2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]benzoxazole;Benzoxazole,2-[4-[2-[4-(2-benzoxazolyl)phenyl]ethenyl]phenyl]-5-methyl-;2-[4-[4-(2-benzoxazolyl)styryl]phenyl]-5-methylbenzoxazole;5-methyl-2,2'-(vinylenedi-p-phenylene)bis-benzoxazole;4-(2-BENZOXAZOLYL)-4'-(5-METHYL-2-BENZOXAZOLYL)STILBENE;Fluorescent Brightener KS-N
• CAS NO: 5242-49-9
• Molecular Formula: C₂₉H₂₀N₂O₂
• Molecular Weight: 428.48
• EINECS: 226-044-2
• Product Categories: Stilbenes;brightener
• Mol File: 5242-49-9.mol
• Article Data: 0

Chemical Properties

• Boiling Point: 578.9 °C at 760 mmHg
• Flash Point: 290.9 °C
• Appearance: /
• Density: 1.26
• Vapor Pressure: 8.56E-13mmHg at 25°C
• Refractive Index: 1.719
• Storage Temp.: 2-8°C
• Solubility: DMSO (Very Slightly, Heated)
• PKA: 2.65±0.10(Predicted)
• CAS DataBase Reference: Fluorescent Brightener KS-N(CAS DataBase Reference)
• NIST Chemistry Reference: Fluorescent Brightener KS-N(5242-49-9)
• EPA Substance Registry System: Fluorescent Brightener KS-N(5242-49-9)

Safety Data

• Hazardous Substances Data: 5242-49-9(Hazardous Substances Data)

Usage

Description

Fluorescent Brightener KS-N is a bright yellow-green crystalline powder that exhibits a brilliant reddish-blue shade. It has a melting point of 275-280°C and a purity of at least 99% with a fineness of 300 mesh minimum.

Uses

Used in Textile Industry:
Fluorescent Brightener KS-N is used as a whitening agent for textiles to enhance the brightness and whiteness of fabrics, making them appear cleaner and more vibrant.
Used in Paper Industry:
In the paper industry, Fluorescent Brightener KS-N is used as an optical brightener to improve the whiteness and brightness of paper products, resulting in a more visually appealing and higher quality finish.
Used in Detergent Industry:
Fluorescent Brightener KS-N is used as an additive in the detergent industry to whiten and brighten laundry, giving clothes a cleaner and more vibrant appearance.
Used in Plastics Industry:
In the plastics industry, Fluorescent Brightener KS-N is used as a color enhancer to improve the appearance of plastic products, making them more visually appealing and attractive to consumers.
Used in Cosmetics Industry:
Fluorescent Brightener KS-N is used in the cosmetics industry as a color additive to enhance the appearance of various cosmetic products, providing a more vibrant and attractive finish.

TEST ITEMS

SPECIFICATION

METLING POINT

275-280 ° C

InChI:InChI=1/C29H20N2O2/c1-19-6-17-27-25(18-19)31-29(33-27)23-15-11-21(12-16-23)8-7-20-9-13-22(14-10-20)28-30-24-4-2-3-5-26(24)32-28/h2-18H,1H3/b8-7+