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Fluorescent Brightener OB-1
Chemical name: 2. 5-bis (5-tert. Buty 1-2-benzoxaoly) thiophene
Molecular formula: C26H26SO2N2
Molecular weight: 430. 575

Properties: Bright yellow green crystal powder, odorless. Melting point 196-203degree. Decomposition temperature id larger than 220degree. It is hard to disssolve in water. It dissolves in paraffin, fat, mineral oil, wax and common oranic solvents. The hue of the fluorescent light is blue light. The wave length of the maximum absorptive light is 375nm(ethyl alcohol)

Technical conditions:
Appearance: Bright yellow green crystal powder
Color light: Bright-colored blue fluorescent light(approximate to standard sample. )
Melting point: 196-230degree.
Solidity content: ≥99. 5%
Fineness: Through 100 meshes

Use: It is used in thermoplastic plastics, PVC, PE, PP, PS, ABS, SAN, SB, CA, PA, PMMA, acrylic resin, polyester fibre, paint, coating, the brightening of prointing ink.

Other Fluorescent Brightener: Fluorescent Brightener OB-1, Fluorescent Brightener 127, Fluorescent Brightener KCB, Fluorescent Brightener PF etc.