Optical Brightener KCB(C.I.367)

Optical Brightener KCB(C.I.367) CAS NO.:5089-22-5

Optical Brightener KCB is a chemical compound with the CAS number 5089-22-5. It is commonly used as a fluorescent whitening agent in various industries. This compound appears as a white powder with no distinct odor.  Fluorescent Brightener 367 is sparingly soluble in water, but it can dissolve in organic solvents such as ethanol and acetone.

1.Item name:

Fluorescent Brightener 367

2.Specifications:

CAS No.:5089-22-5

Assay:99.5% Min

Formula:C24H14N2O2

Molecular Weight:362.38

EINECS:225-803-5

Synonyms: 1, 4-bis(2-benzoxazoly)naphthalene; Fluorescent Brightener 367; 2, 2'-(1, 4-naphthalenediyl)bis-benzoxazol

Structural No: C. I. 367

Structural formula:

3. Properties:

Appearance: Green yellow crystal powder

Density:1.32

Boiling Point:521.9 °C at 760 mmHg

Melting Point:210-212°C

Flash Point:263.1 °C

4. Application:

Optical Brightener KCB is mainly used in whitening of synthetic fiber and plastic products, especially good at whitening of EVA.

5.Package:

Packed in 25kgs fiber drum with double PE liners, or according to customers' request.
6.Storage:

Store Fluorescent Brightener 367 in a cool and dry place, away from direct sunlight.