Optical Brightener OB-1(C.I.393)

CAS No.: 1533-45-5
Purity: 99
Min quantity: 1 Kilograms
Price: USD 12~21/Kilograms
Place of Orign: Dalian,Liaoning,China

Contact:Ms.sun xin

Supplier Details

Dalian Richfortune Chemicals Co.,Ltd
China
Contact:Ms.sun xin
Tel:86-411-84820922
Total Annual Sales Volume:Above US$100 Million
Number of Employees:501 - 1000 People
Business Type:Manufacturer
Main Markets:North America,Southeast Asia,Mid East,South America,Africa,Eastern Asia,Eastern Europe,Oceania,Western Europe

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Item specifics

Product Name.:Optical Brightener OB-1(C.I.393)
CAS No: 1533-45-5
Weight: 414.46
Formula: C28H18N2O2
Melting Point: 357-359 ºC
Boiling Point: 566.8 °C at 760 mmHg
Density: 1.39 g/cm3 (25 C)

Details

Details :
CAS No: 1533-45-5
Appearance: bright yellow crystals powder
Assay: 98.5%Min Melting point: 355-360oC
Properties: OB-1 imparts very good heat resistance because of high melting point and strong stability. Because this product`s hydrophobic nature, it has good light fastness. it also has good light-resistance and resistance to bleaching of chloride, can impart excellent effect used in polyester fiber . its strong fluorescence makes it not only can improve substrates whiteness but also brightness, it can be used as disperse dyes in the chemical fiber, can be used like oil dissolving coloring agent in the plastics.
Applications:
OB-1 is Suitable for whitening chemical fibers, such as the polyester fiber, nylon fiber, polypropylene fiber and so on; suitable for whitening and brightening PP, hard PVC, ABS, EVA, polystyrene, polycarbonate, etc, suitable to be added into the conventional polymerization of polyester and nylon fiber, especially suitable for whitening the plastics of high temperature compaction.
Method of usage:
The recommended loading concentrations for plastic and polyester fiber is 0.01 % to 0.05% depending on substrate, processing conditions, and long-term stability requirements.
Please Noted: above recommended loading can be a reference. Exact loading must be
determined by compositions of the specific polymer system
Packing: Packaged in complex paper bags or fiber drums, 25kg each.

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