Fluorescent Brightener KSN pure powder CAS NO.5242-49-9 factoy sales

optical brightener KSN pure powder producer

optical brightener KSN 

1.Chemical Name

4.4-bis(5-methyl-2-benzoxoazol)-ethylene

CAS No. 5242-49-9

C.I. No. 368

2.Property

Structural Formula       

Molecular Formula C29H20N2O2

Molecular Weight 428

Properties It has high whitening brightening effect and

excellent fastness to sublimation.

Technical Index Appearance:Yellow green crystalline powder Purity: ≥99%

Melting point: 335-342℃

Solubility:Insoluble in water, soluble in ordinary organic solvents

3.PACKAGE:

Packed per 25kg in fiber drum or cardboard box after being packed in plastic bag first.

4.TRANSPORTATION:

Avoid inversion, sunlight, moisture and crash. Avoid damage the package.

5.STORAGE:

Should be stored in cool, dry and ventilate place, and storage term should not exceed 2 years.

ADVANTAGE:

Low price,high quality,fast delivery.

SHANDONG JILING CHEMICAL CO.，LTD,  is founded in October 2006 with register capital of RMB 110 million. We are professional Optical Brightening Agent manufacturer, is a chemical enterprise with R & D, production and sales together. Our company specializes in the production and sale of Optical Brightening Agent series products, which are widely used in plastic, coating,ink,detergent,textile and paper-making industry. 

With high technologies, advanced facilities and mature quality control system we have provided OEM service to the world famous brands and have been cooperating with some well-known colleges during the past 10 years. At the same time we focused on establishing our own brand with the development of the company.

Our products have been sold domestically and exporting to Europe, Middle East, South East Asia, Africa, South America..
We would like to cooperate with wide colleagues and create brilliant future with you hand in hand!