In numerous industrial sectors, the demand for visually pristine products necessitates the use of high-performance whitening agents. NINGBO INNO PHARMCHEM CO.,LTD. specializes in providing such specialty whitening agents, with Fluorescent Brightener BBU (also known as Optical Brightener 220) at the forefront of our offerings. This versatile chemical compound, identified by CAS 16470-24-9, is engineered to impart exceptional whiteness and brightness across a broad spectrum of industrial applications.
Fluorescent Brightener BBU is a stilbene tetrasulphonic acid type brightener celebrated for its superior efficacy in enhancing the aesthetic appeal of materials. Its mechanism involves absorbing non-visible ultraviolet light and re-emitting it as visible blue light, effectively counteracting any inherent yellowing and creating a perception of a brighter, cleaner white. This makes it an ideal choice for industries where visual whiteness is paramount.
One of its primary applications is as a fluorescent whitening agent 220 for cotton and viscose fibers, where it dramatically improves fabric luminosity and crispness. Simultaneously, it serves as a leading optical brightener BBU paper whitening agent, vital for achieving optimal whiteness in various paper products, including pulp, coated papers, and printing papers. Its adaptability is further demonstrated by its stable performance in hard water and its resistance to both reducing and oxidizing agents, ensuring reliable results in diverse processing environments.
NINGBO INNO PHARMCHEM CO.,LTD. is a reliable manufacturer and supplier of Fluorescent Brightener BBU, committed to quality and consistency. For industries seeking a Leucophor BBU alternative or a high-performance whitening solution, our product delivers comparable or superior results. Our commitment extends beyond supply, with technical support available to assist clients in optimizing their application processes for maximum effectiveness. Partner with NINGBO INNO PHARMCHEM CO.,LTD. for your industrial whitening needs and experience the difference superior quality makes.
Manufacturing Facilities






Professional Export Experience
to Global Customers
1. 20 years of R&D, manufacturing and sales experience, serving customers in 60 countries and regions around the world;
2. Own R&D laboratory, pilot platform and large-scale production workshop, which can meet the audit requirements of global customers;
3. We can satisfy customers' perfect transition from small scale lab requirements (gram level) to commercialization requirements (hundred tons level).
A: We don't have Minimum Order Quantity, exact quantity should be provided before quotation for us to calculate the exact cost.
A: We don't provide free samples due to lots of request and expensive international courier's cost, we can deduct the sample charge after commercial order placed.
A: Our payment terms: Small or sample order: T/T IN ADVANCE. Commercial order: First order should be by T/T IN ADVANCE or L/C at sight, and following orders T/T 30~90days is acceptable subject to approval of credit application.