... -66-1 Molecular: C6H6O3 Chemical name: pyrogallol, pyrogallic acid, 1,2,3-trihydroxybenzene, 1,2,3-benzenetriol.. CAS NO ... 87-66-1Molecular: C6H6O3MW: 126.Chemical name: pyrogallol, pyrogallic acid, 1,2,3-trihydroxybenzene, 1,2,3-benzenetriolRd; 1. ... (Cl): 0.002%maxSulfate(SO4): 0.01% maxGallic acid: pass..FTA joined IFT11 in New Orleans USA.FTA ... VEGAS USA FTA with Switzerland Customers Pyrogallic acid