Title: Ammonium Phosphate, Monobasic
CAS Registry Number: 7722-76-1
Additional Names: Ammonium biphosphate; ammonium dihydrogen phosphate; primary ammonium phosphate
Molecular Formula: H6NO4P
Molecular Weight: 115.03
Percent Composition: H 5.26%, N 12.18%, O 55.64%, P 26.93%
Line Formula: (NH4)H2PO4
Literature References: Prepn: Gmelins, Ammonium (8th ed.) 23, pp 426-429 (1936).
Properties: Odorless crystals or white, cryst powder; stable in air. d 1.80. One gram dissolves in about 2.5 ml water; slightly sol in alcohol; practically insol in acetone. pH of 0.2 molar aq soln 4.2.
Density: d 1.80
Use: As baking powder with sodium bicarbonate; in fermentations (yeast cultures, etc.); fireproofing of paper, wood, fiberboard, etc.