2107 has excellent wetting, penetrating, emulsifying and detergency properties, it has good compatibility with other additives and good biodegradability. This product is environmentally friendly and does not contain APEO. It can be used alone or combined with other anionic, cationic and nonionic surfactants. It can improve the gloss of latex paint, accelerate the wetting of pigments and enhance the freeze-thaw stability of latex paint. It can be used in the water-based color paste preparation industry for latex paint and ink, and the color paste prepared by it has the advantages of good color development and high gloss performance. It can improve the stability of the emulsion and the freeze-thaw property of the finished product. Besides, it can improve the dispersion efficiency of pigments.