Chemical Properties
Fluorescent whitening agent 367 is yellowish green crystalline powder, non-toxic and tasteless, insoluble in water, soluble in acetone, carbon tetrachloride, dimethylmethylcoolamine, trimethylbenzene, polyvinyl chloride and toluene, slightly soluble in ethanol, isopropanol and methanol. The maximum absorption wavelength is 370nm, the maximum fluorescence emission wavelength is 437nm, excellent light and heat resistance, good chemical stability, does not react with foaming agent cross-linking agent, good compatibility with macromolecules, no exudation phenomenon.