Dodecanol ester has many advantages, such as good resin compatibility, low dosage, low film-forming temperature, smooth film, good color development, low cold spot, better hydrolysis stability, and low toxicity. It is an excellent latex contrast agent, particularly suitable for various water-based coating systems, such as various emulsions, latexs, latex paints, adhesives, etc., synthesized with methacrylic acid, styrene, and vinyl acetate.