optical brightener OB
Product Category : Dyes And Chemicals
Sub Category : Dyes
Product : Fluorescent Dyes
Seller : Jinan Subang Fine Chemical Co.,Ltd (China)
Member Since :
Country of Origin : China
Selling Type : Globally

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Product Information
Type : Pigment
Purity : 99.5%
Product Description
exporter-edith(at)hotmail(doc)com OB is a high molecular weight optical brightener of the thiophenediyl benzoxazole class, suitable for the optical brightener of polymers at all stage of processing. Key Words: optical brightening agent OB, optical brightener OB, fluorescent brightener OB, optical whitening agent OB, brightener OB Typical Properties: Chemical Name: 2,2-(2,5-Thiophenediyl) Bis[5-(1,1-dimethylethy)]BenzoxazoleMolecular Formula: C27H27O2N2SMolecular Weight: 443CAS No.: 7128-64-5C.I.: 184 Specifications: Appearance: Yellowish or yellowish green crystal powderAssay: 99% min.Melting Point: 196-203Ash: 0.3% max.Volatile Content: 0.3%max.Particle size: 200 meshesMax. Absorption Wavelength: 375nm(in ethanol) Application: It can be used to whiten PVC, polystyrene, polypropylene, PA, PMMA, PE,PP, Paint, coating, printing ink and so on. Packing: 25kg / fiber drum with PE liner
Company Profile
chemseller(at)163(doc)com Our Leading products are optical brighteners,for plastics and for textile, such as OB, OB-1, KSN, KCB, CBS-127, FP-127, PF, KB, DBH, CBS-351, ER, VBL, PS-1, BA, BBU, BTV, 4BK, BBU etc, the year production capacity is 600 tons. As well as 2-Nitrophenol, 2-Aminophenol and 2-Amino-4-tert-butylphenol are our superior product, year production capacity is 2000 tons.
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