Fluorescent Brightener KCB

荧光增白剂KCB

Also known as: 1,4-Bis(2-benzoxazolyl)naphthalene, Optical Brightener KCB, Fluorescent Brightener 367, 1,4-Bis(benzo[d]oxazol-2-yl)naphthalene, 2,2'-(1,4-Naphthalenediyl)bis(1,3-benzoxazole), 2,2'-naphthalene-1,4-diylbis(1,3-benzoxazole), KCB, FBA 367

Fluorescent Brightener KCB (CAS 5089-22-5) is a compound in the Organic Compounds category listed in the Jingsj chemical database. It has the molecular formula C24H14N2O2 and a molecular weight of 362.380 g/mol. It is also known as 1,4-Bis(2-benzoxazolyl)naphthalene, Optical Brightener KCB and Fluorescent Brightener 367. Key properties include a melting point of 210-212°C, a boiling point of 521.9±33.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 263.1±19.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5089-22-5
Jingsj CID
J-38034-8
Molecular Formula
C24H14N2O2
Chinese Name
荧光增白剂KCB
Molecular Weight
362.380 g/mol
Category
Organic Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point210-212°C
Boiling Point521.9±33.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point263.1±19.4 °C

Frequently Asked Questions

What is the CAS number of Fluorescent Brightener KCB?

The CAS number of Fluorescent Brightener KCB is 5089-22-5.

What are the molecular formula and molecular weight of Fluorescent Brightener KCB?

Fluorescent Brightener KCB has molecular formula C24H14N2O2 and molecular weight 362.380 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Fluorescent Brightener KCB (CAS 5089-22-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38034-8 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.