Informations sur le produit
1,1-Bis(4-methoxyphenyl)prop-2-yn-1-ol is a photochromic compound that has been synthesized by the reaction of naphthopyrans with methoxy groups. The wavelength of light needed to cause the change in color is between 350 and 400 nm. The photochromic properties of this compound are due to the presence of the methoxy group.