Benetex® OB by Mayzo is 2,5-Thiophenediylbis(5-tert-butyl-1,3-benzoxazole). Acts as an optical brightener, fluorescent whitening agent. It is heat resistant, solvent soluble, chemically stable and provides brighter looking colors in plastics. Exhibits good light fastness and low volatility, exceptional whitening properties, resistance to heat, is FDA cleared for use in all polymers, highly compatible with a wide range of organic substrates and solvents. Benetex® OB is compatible with PVC, polyethylene, polypropylene, cellulose acetate, polystyrene, polycarbonate, acrylics, polyurethane, linear polyester, and polyamides (nylon). Recommended dosage level is 0.0005-0.001% in unpigmented polyolefins and between 0.005-0.1% in other substrates. It has a shelf life of 2 years.
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Benetex® OB properties
Other properties
| Properties | Value & unit | Test condition | Test method |
|---|---|---|---|
| Melting Point | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Molecular Weight, Mw | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in acetone | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in butanol | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in carbon tetrachloride | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in chlorobenzene | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in chloroform | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in cyclohexanone | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in dimethylformamide | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in dioctylphthalate | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in dioxane | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in ethyl acetate | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in ethylene Glycol | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in methanol | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in methyl ethyl ketone (MEK) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in methylene chloride/methanol (9:1) | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in n-Hexane | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in tetrahydrofuran | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in toluene | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in turpentine | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in water | 0.0 Visible After Login | Visible After Login | Visible After Login |
| Solubility @25°C in xylene | 0.0 Visible After Login | Visible After Login | Visible After Login |