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Optical brightener OB C.I. 184 TDS used in plastics in Peru

Yellow Green
Color shade
300 mesh
10kg/25kg per fiber drum
Shelf Life
2 years
by sea or by air
water or solvent

Peru is a big market of plastics plastics.Optical brightener is a kind of fluorescent dye,it can make white plastic products look more high-end, most factories will add optical brightener to the formula.

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The situation of Peru market:

Peru is a developing country. It adopts an open attitude towards foreign trade. It actively joins various regional economic integration organizations. Together with the relatively stable exchange rate, it is an economy with a relatively stable political and economic environment among Latin American countries.

Peru plastics industry Market introduction: 

Mr. Eduardo Farsh, Chairman of the Plastics Industry Committee of the National Federation of Industry of Peru, said that the Peruvian plastics industry is expected to maintain a growth trend, and the export of plastic products is expected to reach 220 million U.S. dollars, especially the export of plastic products to Central America is expected to continue to grow . Chairman F stated that 70% of the plastic industrial products are supplied to the Peruvian domestic market. The high quality and price competitiveness of Peruvian plastic products have successfully entered the markets of Mexico and Bolivia. The production activity of Peru's plastics industry can be seen from the growth of imports of machinery and equipment for the plastics industry. The import value of machinery and equipment for the plastics industry has reached 100 million US dollars. Chairman F stated that if the Peru-U.S. Free Trade Agreement is successfully passed by the two congresses, investment in the plastics industry is expected to increase.

In order to make white plastic products look more high-end, most factories will add optical brightener to the formula.

What is optical brightener?

Optical brightener is a kind of fluorescent dye, or white dye, which is a complex organic compound. it can excite incident light to produce fluorescence, so that the dyed material can obtain a sparkling effect similar to fluorite, making the material visible to the naked eye very white, achieving a whitening effect.

The principle of the optical brightener is to convert the invisible ultraviolet radiation absorbed by the product into purple-blue fluorescent radiation, which complements the original yellow radiation to become white light, and improves the whiteness of the product under sunlight. Optical brightener have been widely used in textiles, paper making, washing powder, soap, rubber, plastics, pigments and paints.

Today we first introduce to you the optical brightener OB C.I. 184 that is known as the popular lover of the plastics industry on the market.

Technical Data Sheet of  Optical Brightener OB 184

Product Name: Optical Brightener OB

Chemical Name: 2,5'-Bis[2-(5-tert-buty l-2 benzoxazoly)thiophene

CAS No.: 7128-64-5

C.I. No. :184

Molecular Formula:C26H26N2O2N2

Molecular Weight:430 

Appearance:slight greenish yellow powder 

Melting Point:200-202°C 


Uses: Mainly be used in whitening of thermoplastic, polyvinyl chloride(PVC), polypropylene(PP), polyester fiber, coating, paint & ink etc.

Packing 25 kg per fiber drum


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