We are professional optical brightener manufacturers, own optical brightener factory, one of the best Optical Brightener OB-1 and UV absorber manufacturers and suppliers china.
Call Us: +86-15854199366 Email: sales@obaindustrial.com

Optical Brightener OB-1 china manufacturer

Raytop Chemical is as the China Top 3 manufacturer,have 15 years production and marketing experience, we can supply low price but high purity Optical Brightener OB-1

  • Brand: Raytop
  • Appearance: Yellow Green
  • Purity: 98.5%
  • Color shade: Blue
  • Finess: 300 mesh
  • Package: 10kg/25kg per fiber drum
  • Shelf Life: 2 years
Call Us: +86-15854199366

As an excellent optical brightening product, why is the optical brightener OB-1 selling well in the international market?

First of all, the optical brightener OB-1 can only be manufactured in China.

Secondly, only China can produce o-aminophenol, the main raw material of optical brightener, which gives China an advantage in 

raw material cost.

Third, compared with other fluorescent whitening agent products, OB-1 has the advantage of high quality and low price.

Finally, as a product of decades old technology, it is very stable in use.

So, let's take a look at what are the characteristics of optial brightener OB-1?

Product Name:Optical Brightener OB-1


Chemical Name:2.2’-(4.4’-diphenol vinyl) dibenzoxazol

CAS No.:1533-45-5

C.I. No.:393

Molecular Formula:C28H18N2O2

Molecular Weight:414 

Technical Index:Appearance:yellowish green powder 

Melting Point:357~359°C 


Recommend Dosage:200-500g per 1000kg material

Package:10KG/25kg per fiber drum with 450kg or 500 kg or 675kg/pallet

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