Chemical name: FLUORESCENT WHITENING AGENTS SWN
Structural formula:

Molecular formula: C₁₄H₁₇NO₂
CAS NO.: 91-44-1
C.I.140
Molecular weight: 231.3
the same name: Uvitex SWR SWN or the brightener 61.
Chemical Structure:
Specifications:
      Appearance: white crystal powder
      Solubility: dissolve in acid water, ethanol and other organic solvent
      Assay: 99% min(HPLC)
      Melting Point: 72-74°C
      Volatile Content: 0.3%min
      Ash Content: 0.15%max
Use:
      It is used in brightening acetate fibre, polyester fibre, polyamide fibre, acetic acid fibre and wool.

Packing: 25kg/drum