Fluorescent whiten agent KCB for coating and natural paint 5089-22-5

$10.00 - $25.00
Min. Order
1 Kilogram
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Company Information

Nanjing Lepuz Chemical Co., Ltd.

CN Trading Company
Response Time
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Quick Details

Port: any china port
Payment Terms: L/C,D/A,D/P,T/T
Supply Ability: 5000.0 Ton/Tons per Year
Brand Name: LEPUZ
Other Names: optical brightener KCB
Type: brightener
Usage: Plastic Auxiliary Agents,Rubber Auxiliary Agents,Textile Auxiliary Agents
Place of Origin: Jiangsu China
EINECS No.: 225-803-5
Classification: Chemical Auxiliary Agent
Purity: 99%
MF: C24H14N2O2
Model Number: Optical brightener KCB
CAS No.: 5089-22-5
Packaging Detail: 10/20/25KG DRUM
Product Description


LeColor® KCB

CAS No.: 5089-22-5  C.I. No.: 367



  • Synthetic fiber
  • PVC
  • Injection molding materials


  • EVA
  • Plastics
  • Synthetic rubber



Key Attributes

  • Universal optical brightener for plastics and synthetic fiber
  • Top effects on EVA
  • Good compatibility with all kinds of plastic
  • Excellent stability under all kinds of climate


Product Description

LeColor® KCB is a fluorescent whitening agent of the naphthalene benzoxazole class. The product is useful in plastic films, injection molding materials, EVA foamed plastics and rubber products.

Ø  Dosage: 0.005%~0.05%.


Typical Properties


Typical Value, Units

Molecular Formula



98% min.

Molecular Weight



Slight Yellowish powder

Melting Point




Particle Size

Pass 200 mesh


Packaging & Shipping







Main products


Optical brighteners: OB  OB-1 OB-3, KCB  FP-127  KSN  MDAC(SWN)  CBS-X
Light stabilizers:     622  770  944  292  783
UV absorbers:          UV-531  UV-9(BP-3)  UV-P  UV-326  UV-327  UV-328  UV-329  UV-571  UV-284(BP-4) 
Antioxidants:          1010  168  BHT  B225  2246  425  DTBHQ
Pigments:                 Red 122  Red 112  Violet 19  Violet 23  Yellow 110  Yellow 138  Yellow 74  Yellow 183 
Slip agents:                  Oleamide  Erucamide


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.

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Q: Do you have any certificate for quality?

 A: Yes, we have ISO9001:2015 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