ultraviolet absorbers parsol 1789 70356-09-1
Lossondrying:0.5%max Meltingpoint:81-86 Identification: A:Infraredabsorption197K B:Ultravioletabsorption197U …
<p> Loss on drying: 0.5%max <br /> Melting point: 81-86 <br /> <br /> Identification: <br /> A: Infrared absorption 197K <br /> B: Ultraviolet absorption 197U <br /> UV absorptivities at 360nm do not differ by more than 3.0% <br /> Chromatographic purity: Any individual impurity: 3.0%max <br /> The sum of all of the impurities: 4.5%max <br /> </p>
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