Product Description: Chromotropic acid (disodium dihydrate) can be used for the detection of formaldehyde[1][2].
Formula: C10H10Na2O10S2
References: [1]Abidi, et al. "Spectroscopic, structural, DFT and molecular docking studies on novel cocrystal salt hydrate of chromotropic acid and its antibiofilm activity." Arabian Journal for Science and Engineering 46 (2021): 353-364.