C.I.: 220
CAS: 16470-24-9
Ionic type: anion
Ingredient: Stilbene derivatives
Color light: Blue light
Molucular Formula:C40H40N12Na4O16S4
Formula Weight: 1165.0355
Max uv absorption wavelength: 350nm
Fluorescent intensity: 100-130
Place of Origin: China
Brand Name: Ogilvy

Optical Brightener BBU, also known as Fluorescent Brightener 220, CAS No. 16470-24-9, is a stilbene derivatives.light yellow powder with blue color light and belongs to anionic compound. Optical Brightener BBU has good water solubility, and excellent thermal stability, hard water resistance, and resistance to peroxide bleach. It is often used in the whitening of paper pulp, cotton and linen.

Usage:

Optical brightener BBU is used in paper industry, coating process, surface sizing and pulp whitening, also optical brightener BBU can be used to whiten cotton and viscose fiber.