Product Name: Optical Brightener BBU

C.I. No: 220

Molecular Formula: C₄₀H₄₀N₁₂O₁₆S₄Na₂

Molecular Weight: 1165.12

CAS No.: 16470-24-9

Max UV Absorption Wave: 350nm

Chemical Structure:

Descriptions:

It is light yellow powder. It has anionic character and optical blue color.

It has good water solubility, in cooling water at 150g/L, in boiling water at 300g/L.

It has good resistance to hard water, bleaching agent and acid etc.

Specifications:

Applications:

Widely used in cotton fiber, and paper pulp.

Recommended use:

Bath temperature is about 95-98℃, holding time is about 10-20 minutes, bath ratio is 1:20, vapour steaming about 45 minutes, the dosage is 0.1-0.5%.

Packing: 25kg cardboard drum

Transportation & Storage: Store in cool, dry and ventilated place, Should avoid direct sunlight.

Validity: 2 years.