Optical brightener ZD-3

Fluorescent whitening agent ZD -3 

Structure: C36H34N12O8S2NA2

Technical indicators:

Appearance: light yellow powder

Strength: standard product 100%+2

PH value: 8-10.5

Density (20℃): 1.20g/cm

Viscosity (20℃): ≤80mpa.s

Solubility: miscible with water in any proportion during use