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ChemicalBook CAS DataBase List methylammonium iodide
14965-49-2

methylammonium iodide synthesis

7synthesis methods
-

Yield:14965-49-2 97%

Reaction Conditions:

with hydrogen iodide in methanol;water at 0; for 2 h;

Steps:

Preparation of CH3NH3I
In a 500 mL round bottom flask, a methanol solution of methylamine (60.4 mL, 40%, 592mmol; Wako Pure Chemical Industries, Ltd.) was added dropwise over 10 min to an aqueous solution of HI (65.0 mL, 57 wt%, 492 mmol; Wako Pure Chemical Industries Ltd., Japan) at 0 °C, and stirried for 2 h. The resulting white solids were collected by filtration, and dried in vacuo for 24 h at 60 °C. The obtained crude CH3NH3I was purified by recrystallization from a slow diffusion of dry diethyl ether (dehydrated, Kanto Chemical Co. Ltd., Japan, further purified with Glass contour) into a dry methanol (super dehydrated, Wako Pure Chemical Industries Ltd., Japan) solution of CH3NH3I. The resulting CH3NH3I (75.6 g, 476 mmol, 97%yield) was isolated by filtration in an inert glovebox under N2 as colorless crystalline platelets.

References:

Wakamiya, Atsushi;Endo, Masaru;Sasamori, Takahiro;Tokitoh, Norihiro;Ogomi, Yuhei;Hayase, Shuzi;Murata, Yasujiro [Chemistry Letters,2014,vol. 43,# 5,p. 711 - 713] Location in patent:supporting information

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