Another method entails the alkylation of sodium hydrosulfide. RX + NaSH → RSH + NaX(X = Cl, Br, I) This method is used for the production of thioglycolic acid from chloroacetic acid.
another method entails the alkylation of sodium hydrosulfide rx + nash → rsh + nax(x = cl br i) this method is used for the production of thioglycolic acid from chloroacetic acid