Optical Brightener BA (C.I.113)

Structural formula:

Molecular formula: C40H42N12O10S2Na2
CAS No. : 12768-92-2
Appearance: Light yellow uniform powder
Max UV absorption wavelength: 350±10nm
1% Extinction Coefficient：350-380
Moisture content: ≤5.0%
Content of water-insolubie impurities: ≤0.5%
Fineness(residual content passed through 180μm-pore sieve): ≤10.0
Application: mainly used for textiles
Package: Fiber drum or PE bags
Recommended dosage: 0.08-0.3%