Gold Member Since 2016
Audited Supplier
Shanghai Linebon Fine Chemical Co., Ltd.

Optical Brightener, Optical Brightener KSN, Brightener manufacturer / supplier in China, offering Fluorescent Brightener KSN C. I. 368 CAS No. 5242-49-9 for Plastic, Fluorescent Brightening Agent Er-2 C. I. 199 CAS 13001-38-2 for Plastic, CAS 27344-41-8 CBS-X for Washing Fluorescent Whitening Optical Brightener and so on.

(/ )

Supplier Homepage Product Optical brightener plastic industry Fluorescent Brightener KSN C. I. 368 CAS No. 5242-49-9 for Plastic

Fluorescent Brightener KSN C. I. 368 CAS No. 5242-49-9 for Plastic

FOB Price: US $45-49 / kilogram
Min. Order: 100 kilogram
Min. Order FOB Price
100 kilogram US $45-49/ kilogram
Get Latest Price
Port: Shanghai, China
Production Capacity: 500tons/Year
Payment Terms: L/C, T/T

Request a custom order and have something just for you!

Send Customized Request
Basic Info
  • Model NO.: CAS No. 5242-49-9
  • Classification: Chemical Additives
  • Appearance: Powder
  • Other Name: Plastic Whitening Agent
  • Delivery Date: Within 2 Week
  • Trademark: linebon
  • Specification: SGS
  • Efficacy: Plastic Brightener
  • Type: Optical Brighener
  • Color: Greenish Yellow
  • Sample: Available
  • Valid Date: 2 Years
  • Transport Package: Drum or PP Bag
  • Origin: China
Product Description
fluorescent brightener KSN 
                      (EC No.: 226-044-2),CAS No. 5242-49-9                       
Product NameOptical Brightening Agent KSN
Chemical Name2-[4-[2-[4-(benzoxazol-2-yl)phenyl]vinyl]phenyl]-5-methylbenzoxazole
CAS No.5242-49-9
C.I. No.368
EINECS No.226-044-2
Molecular Formula29H20N2O2
Treating ProcessOverlay plastic:0.5-2g/100kg
Polyester fiber:10-20g
Technical IndexAppearance: greenish yellow powder 
Melting Point: 275-280°C
Ash content: ≤0.5% 
Purity: ≥99% 
Usesmainly be used in whitening of polyester, polyamide, polyacrylonitrile fiber, the plastic film and all plastic pressing process. Can suitable for synthesizing high polymer including polymeric process. 

Properties & Features: 
1. Low use level, high whitening intensity.
2. Wide suitability, widely used in the whitening of polyesters and plastics.
3. Excelllent compatibility with plastic; excellent resistance to high temperature and weathering.

Range of Application: 
1. Suitable for the whitening of polyesters, polyamide, polyacrylonitrile etc.
2. Widely used for film, injection and extrusion materials etc.
3. Suitable for the whitening of high polymers.

Packing & Storage: 2kg×5carton lined with plastic bag or upon clients' requests. Stored in cool and dry place, avoid light.

1. Product literature is only for reference. For any technical or application problems, pls. contact us.
2. Our technical advices both in oral or graphic form are with great sincerity. However, users have the responsiblility to test our products for their suitability to your technical process or specific use, which is totally out of our control.

Our factory

Fluorescent Brightener KSN C. I. 368 CAS No. 5242-49-9 for Plastic

Our laboratory

Fluorescent Brightener KSN C. I. 368 CAS No. 5242-49-9 for Plastic


Send your message to this supplier
Mrs. Helena Zhu
To: Mrs. Helena Zhu

Enter between 20 to 4,000 characters.

This is not what you are looking for? Post a Sourcing Request Now

Find Similar Products By Category