§ 573.1020. Yellow prussiate of soda.
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/us/cfr/t21/s§ 573.1020·A research copy — for the controlling text, always check the official state or federal source. Not legal advice.
Yellow prussiate of soda (sodium ferrocyanide decahydrate: Na4Fe(Cn)6°-10H2O) may be safely used as an anticaking agent in salt for animal consumption at a level not to exceed 13 parts per million. The additive contains a minimum of 99.0 percent by weight of sodium ferrocyanide decahydrate. [41 FR 38657, Sept. 10, 1976; 41 FR 48100, Nov. 2, 1976]