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Fluorescent Brightener

Fluorescent Brightener 367

Fluorescent brightener 367 is mainly used for the whitening of synthetic fibers and plastic products. It has a significant effect of increasing the gorgeousness of colored plastic products. It is also used for PE, PP, PVC, PS, ABS, etc.


Fluorescent Brightener OB-1 is used for whitening polyester stock solution, especially suitable for whitening of polyester fiber and whitening of polyester and cotton and other blended fabrics. It can also be used for whitening of plastic products.

Optical Brightener FB-351

A fluorescent whitening agent used for household goods. The structure of a photodegradation product of 4,4'-Bis(2-sulfostyryl)biphenyl Na salt was determined to be 4-(4-Formylphenyl)stilbene-2'-sulfonic acid, which was biodegradable.

C.I. 482200

Fluorescent brighteners can improve the whiteness and gloss of materials. Mainly used in textile, paper, plastic, leather, soap, synthetic detergent and other daily necessities industrial sectors. Fluorescent whitening is different from chemical bleaching and will not damage the color and strength of the fabric. However, for fabrics and papers with dark background, if they are directly treated with brighteners without bleaching, better results cannot be obtained.

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L(-)-Malic acid

L-malic acid is used as a sour agent for soft drinks (such as lactic acid bacteria drinks, milk drinks, soft drinks, cola), frozen foods (such as fruit juice, ice cream, etc.), processed foods (such as wine, mayonnaise), fruit drinks, etc. Color retention agent, preservative and emulsification stabilizer for egg yolk. It also includes raw materials for medicines, cosmetics, tooth cleaning liquids, metal cleaners, anticoagulants in the textile industry, and fluorescent whitening agents for polyester fibers.

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Used in the production of granisetron hydrochloride; this product is an important raw material for the new fluorescent whitening agent PS-1 series; an intermediate for the synthesis of ER-330 fluorescent whitening agent, and can also be used in pesticides, medicine, etc.; Intermediate
Fluorescent brightener is a fluorescent dye, or white dye, is also a complex organic compound. Its characteristic is that it can excite the incident light to produce fluorescence, so that the dyed substance obtains a shining effect similar to fluorite, making the substance seen by the naked eye very white. According to the chemical structure, it can be divided into five categories: stilbene type, coumarin type, pyrazoline type, benzoxazide type and phthalimide type. "Fluorescent Brightener" on Echemi mainly supplies raw materials for fluorescent brighteners.
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