| № КАС: | 13001-39-3 | Появление: | Светло-желто-зеленый порошок |
|---|---|---|---|
| Значение E: | 1160-1165 | Цветный оттенок: | Синяя фиолетовая |
| Выделить: | OBA 199 |
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1.Physical and chemical properties: Chemical name: 1,4'-bis(2,4'-cyano-phenlene)-benzene Molecular formula: C24H16N2 Molecular weight: 332.2 Appearance: Light yellow green needle shaped crystals Purity: ≥ 98% Melting point: 229-231 ℃ Ash content: ≤ 0.1% 2, Usage and characteristics: OBA 199 powder is very suitable for whitening and brightening polyester fibers. It has a good whitening effect on plastic products such as polyethylene (PE), polypropylene (PP), polyvinyl chloride