Product name: 2-methyl-3-hydroxy quinoline-4-carboxylicacid /Quinaldine CAS NO:117-57-7 molecular formula: C11H9NO3 molecular weight: 203.18 specification pure content:99%Min; (dry, normalization) ; melting point>=224-228C properties yellow powder, unsolvable in strong acid, water and general organic solvent, freely soluble in alkali uasge it is the major raw material of advanced disperse yellow E-3G and 3G, widely used in pharmacy and other organic synthesis pakage 25kg woven bag or iron drum with nylon film liner storage stored in dye , shady and cool places we are dealing in the dye and intermediates for about 20 years, we supply with good quality and competitive price, pls feel free to contact us to know details, your early reply will be highly appreciated.