Title: Potassium Diformate
CAS Registry Number: 20642-05-1
CAS Name: Formic acid potassium salt (2:1)
Synonyms: potassium hydrogen diformate
Trademarks: Formi (BASF)
Molecular Formula: C2H3KO4
Molecular Weight: 130.14
Percent Composition: C 18.46%, H 2.32%, K 30.04%, O 49.18%
Line Formula: KH(HCOO)2
Literature References: Conjugated salt of potassium formate and formic acid. Feed additive for pigs; promotes growth and controls microbial activity by decreasing the pH of the digestive tract. Prepn: E. Groschuff,
Ber. 36, 1783 (1903). X-ray crystal structure: G. Larsson, I. Nahringbauer,
Acta Crystallogr. B24, 666 (1968). Electron density study: K. Hermansson, R. Tellgren,
ibid. B45, 252 (1989). Growth-promoting effects in pigs: B. R. Paulicks
et al., Agribiol. Res. 49, 318 (1996); M. Kirchgessner
et al., ibid. 50, 1 (1997). Antimicrobial effects in pig digestive tracts: N. Canibe
et al., J. Anim. Sci. 79, 2123 (2001).
Properties: Crystals from ethanol, mp 108.6°.
Melting point: mp 108.6°
Therap-Cat-Vet: Antimicrobial; growth promotant.