Nomenclature
CAS number: 7803-63-6
Sulfuric acid ammonium salt (1:1); acid ammonium sulfate; ammonium hydrogen sulfate.
H
5NO
4S; mol wt 115.11.
H 4.38%, N 12.17%, O 55.60%, S 27.86%.
NH
4HSO
4.
Description and references
Prepn: Gmelins, Ammonium (8th ed.) 23, 293-298 (1936).
Properties
Deliquesc crystals. mp about 147°. d 1.787. Freely sol in water. Practically insol in alcohol,
acetone, pyridine. Keep well closed.Use
In hair-waving preparations; as catalyst for organic
reactions.