Fluorescent Brightener KS-N

荧光增白剂 KSN

Also known as: Fluorescent Brightener KSN, FBA 368, Optical Brightener 368, Hostalux KS, Hostalux KS-N, 4,4'-Bis(5-methyl-2-benzoxazolyl)stilbene, 2-[4-[2-[4-(2-Benzoxazolyl)phenyl]ethenyl]phenyl]-5-methylbenzoxazole, 2-(4-{(E)-2-[4-(1,3-Benzoxazol-2-yl)phenyl]vinyl}phenyl)-5-methyl-1,3-benzoxazole, 5-Methyl-2,2'-(1,2-ethenediyldi-4,1-phenylene)bisbenzoxazole

Fluorescent Brightener KS-N (CAS 5242-49-9) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C29H20N2O2 and a molecular weight of 428.481 g/mol. It is also known as Fluorescent Brightener KSN, FBA 368 and Optical Brightener 368. Key properties include a melting point of 269-271ºC, a boiling point of 578.9±39.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 290.9±21.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5242-49-9

Jingsj CID

J-48288-0

Molecular Formula

C₂₉H₂₀N₂O₂

Chinese Name

荧光增白剂 KSN

Molecular Weight

428.481 g/mol

Category

Organic Compounds

Last updated

8/21/2026