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Uvitex KSN, 5242-49-9, CAS 5242-49-9 manufacturer / supplier in China, offering Optical Brightener Uvitex KSN CAS 5242-49-9, Made in China PR 122 for Paint Organic Pigments, Best Grade Oleamide Slip Additive for Polyolefin and so on.

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Supplier Homepage Product Optical brighteners Optical brightener for plastics Optical Brightener Uvitex KSN CAS 5242-49-9

Optical Brightener Uvitex KSN CAS 5242-49-9

FOB Price: US $36-50 / kg
Min. Order: 25 kg
Min. Order FOB Price
25 kg US $36-50/ kg
Get Latest Price
Port: Shanghai, China
Production Capacity: 5000 Tons/Year
Payment Terms: L/C, T/T, D/P, Paypal, D/A
Basic Info
  • Model NO.: KSN
  • Appearance: Powder
  • Trademark: LEPUZ
  • Specification: 99%
  • HS Code: 32042000
  • Color: Greenish Yellow
  • Melting Point: 269-271ºC
  • Transport Package: 25kg/Fiber Drum
  • Origin: China
Product Description

Optical brightener KSN

Other names: OPTICAL BRIGHTENING AGENT KSN; fluorescent brightener KSN; fluorescent whitening agent KSN; fluorescent brightening agent KSN; Uvitex KSN; TINOPAL KSN; OBA 368; FBA368; C.I.368; CI 368; optical bleaching agent KSN; Clariant Hostalux KS-N; optical brightner KSN; optical whitener KSN

CAS:  5242-49-9

C.I.NO. 368

M.F: C29H20N2O2


1. being highly whiteness with small usage. 
2. multipurpose used for whitening of polyester fiber and plastic. 
3. having a good compatibility and good fastness to light and sublimation. Can be used for high temperature process.


Product quality index:


Typical Value, Units

Molecular Formula 



99% min.

Molecular Weight



Slight Yellowish powder

Melting Point 




Particle Size

Pass 200 mesh

Mainly 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. It has stronger fluorescence strength than OB-1.

Packaging & Shipping


Optical Brightener Uvitex KSN CAS 5242-49-9

Optical Brightener Uvitex KSN CAS 5242-49-9

Main products
Optical brighteners: OB    OB-1   OB-3   KCB    FP-127    KSN    MDAC(SWN)    CBS-X
UV absorbers: UV-531    UV-9(BP-3)    UV-P    UV-326    UV-327    UV-328    UV-329   
                         UV-1130   UV-284(BP-4) 
Light stabilizers: 622    770    944    292    783    695

Our Services

We have exact inventory plans to guarantee stable supply.

We have many years' experience of chemical logistics and dangerous chemical managers with specially trained, which ensure the safety and right of chemicals, timely logistics.

Our laboratory takes strictly testing on every lot of goods according to customers' requirement. Meanwhile we has good relationship with the third party company SGS.

After-sales service is the important part in our service. If there are quality problems, we will actively cooperate with the customers and solve the problems early.

We expect to become good partners with our customers for long.
Optical Brightener Uvitex KSN CAS 5242-49-9Optical Brightener Uvitex KSN CAS 5242-49-9

Company Information 

NANJING LEPUZ CHEMICAL CO., LTD. is an ISO-certified modernized chemical enterprise concentrating on the production, sales and service for pesticide, plastic and coating additives, fine chemicals and intermediates.  
Our products are widely used in agriculture, plastic and rubber industry, medical industry, paints, printing inks and etc.  
Our company's headquarters is based in Nanjing city, Jiangsu Province, China.  

Our factory is located in Touqiao Town, Hanjiang District, Yangzhou City, where is adjacent to Guangling Hi-tech Development Zone, mainly producing high quality plastic additives and intermediates such as optical brighteners and etc.

We have established long years' technical cooperation with Nanjing University, Nanjing Tech University, and make continuous innovation to fulfill the changing market's demand and trends.  

Besides the professional R&D team, our factory has advanced production and testing equipments, which can be used for testing and reprocessing to ensure the high quality and meet customers' different requirement. 

With profound chemistry knowledge and rich experience, our business team can offer professional customized technical supports and solution for customer's demand.

Till now our products have occupied a good market in China, and also exported to Europe, the United States, Japan and South Korea, Southeast Asia, the Middle East, Central and South America, Africa and etc.  

Welcome to contact us. Hope we can have a good cooperation and bright future.

Optical Brightener Uvitex KSN CAS 5242-49-9

Optical Brightener Uvitex KSN CAS 5242-49-9




Q: Do you have any certificate for quality?

 A: Yes, we have ISO9001:2008 quality system certificate and REACH.


Q: Can you customize products?

A: Yes, we can.


Q: Can you provide samples for quality checking before placing an order?

A: Samples are avaliable upon request, but the shipping cost should be paid by customer.


Q: How to get the price list?

A: Please inqire us by alibaba/email.


Q: What's your payment term?

A: TT/LC/DA/DP/Paypal

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