Introduction: MST is a stilbene triazin hexa-sulfonic sodium class optical brightener suitable paper and textile industries.

Structural Formula:

Details:

CAS: 55585-28-9

Molecular Formula：C₄₀H₃₆N₁₂Na₆O₂₀S₆

Molecular Weight：1334.10

Appearance: Light yellow uniform powder

Properties：
It has good water solubility, good resistance to hard water and the Ca²⁺ and Mg²⁺ can’t affect the whiteness. Good peroxide bleaching agent resistance. It can get the best effect under the pH ＞7.
Applications：
it is widely used in paper making(paper and pulp, surface glue, coating) and textiles industries（cotton, glue, whiten discharge plasma）.

Method of usage:

The recommended loading concentration when used in padding dyeing is 0.1-0.5%, bath ratio:1:20 under 95-98℃ about 45min. It can be changed depending on substrate, processing conditions, and long-term stability requirements.

Please Noted: above recommended loading can be a reference. Exact loading must be determined by specific requirement.
Packing: 25Kg complex paper bag or carton