manganocyanic acid, a crystalline acid, H4Mn(CN)6.
ΚΠ
1889 H. F. Morley & M. M. P. MuirWatts' Dict. Chem. (rev. ed.) II. 328Manganocyanic acid (or manganocyanhydric acid) H4MnCy6.
1962 P. J. Durrant & B. DurrantIntrod. Adv. Inorg. Chem. xxiv. 1010Manganocyanic acid may be obtained by treating the lead salt with dilute sulphuric acid.