high purity optical brightener KCB 5089-22-5

low price pure optical brightener KCB (cas no.5089-22-5)

• Product Name	Optical brightener KCB
  Chemical Name	2,5'-Bis[2-(5-tert-butyl-2 benzoxazoly)thiophene
  CAS No.	5089-22-5
  C.I. No.	367
  Structural Formula
  Molecular Formula	C24H14O2 N2
  Molecular Weight	362
  Properties	It has high whitening brightening effect and excellent fastness to sublimation.
  Technical Index	Appearance:Yellow green crystalline powder Purity: ≥99% Melting point: 210-212℃ Solubility:Insoluble in water, soluble in ordinary organic solvents
  Uses	Used for plastics thin film, molding materials, whitening, brightening EVA foam plastic and rubber products.

• Product Name	Optical brightener KCB		Manufacture Date		Sep 26, 2019
  Batch Number	SDJL-KCB-190926		Analysis Date		Sep 26, 2019
  CAS Number	5089-22-5		Certificate Date		Sep 26, 2019
  Items		Standard Value		Test Result
  Appearance		Green Yellowish Powder		Green Yellowish Powder
  Purity		≥99%		99.5%
  Melting point		210-212℃		211℃
  E (1% /cm) Value:		950-1050		1000
  Indissoluble substance:		≤0.5%		0.3
  Volatile Content		≤0.5%		0.23%
  Result		Qualified

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..(Japan, Vietnam, Thailand, Myanmar, Philippines, Malaysia, Singapore, Indonesia, Pakistan, India, Bangladesh Kazakhstan, Kyrgyzstan, Tajikistan, Uzbekistan, Turkmenistan Turkey Britain, France, Germany, Switzerland, Czech Republic, Slovakia, Austria, Hungary Ukraine, Russia Portugal, Spain, Italy, Egypt, Canada, United States Central America Mexico, Guatemala, Belize, El Salvador, Honduras, Nicaragua, Costa Rica, Panama Venezuela Ecuador, Peru, Brazil Chile, Argentina, Uruguay, Paraguay),specialize in produce OB ( CI NO.184 ), OB-1 (CI NO.393), FP-127(CI NO.378), KSN(CI NO.368), KCB(CI NO.367) ER-1(CI NO.199),ER-2((CI NO.199:1)etc with REACH certificate.

We would like to cooperate with wide colleagues and create brilliant future with you hand in hand!