Title: Mercuric Chloride, Ammoniated
CAS Registry Number: 10124-48-8
CAS Name: Mercury amide chloride
Additional Names: aminomercuric chloride; mercury ammonium chloride; ammoniated mercury; white precipitate; white mercuric precipitate
Molecular Formula: ClH2HgN
Molecular Weight: 252.07
Percent Composition: Cl 14.06%, H 0.80%, Hg 79.58%, N 5.56%
Line Formula: HgNH2Cl
Literature References: Prepn: Sen, Z. Anorg. Allg. Chem. 33, 197 (1903); Wagenknecht, Juza in Handbook of Preparative Inorganic Chemistry vol 2, G. Brauer, Ed. (Academic Press, New York, 2nd ed., 1965) p 1114.
Properties: Odorless powder; d 5.38; earthy, styptic, metallic taste. Poisonous! Volatile without melting at dull red heat. Insol in water or alcohol. Sol in warm HCl, HNO3, acetic acid, in cold soln ammonium carbonate or sodium thiosulfate. Incompat: Not to be used in conjunction with sulfur or iodine.
Density: d 5.38
CAUTION: May produce allergic dermatitis; prolonged use may cause local pigmentation of skin or eyelids. Absorption following vigorous dermal application has been reported with resulting ptyalism. Oral ingestion causes epigastric pain, nausea, purging. Antidote: Dimercaprol (BAL). Note: French "White Precipitate" (Precipité Blanc) is calomel. Do not confuse the two when French prescriptions are filled.
Therap-Cat: Anti-infective (topical).
Therap-Cat-Vet: Anti-infective (topical).
Keywords: Antiseptic/Disinfectant; Mercurial compounds.
Status: This monograph has been retired and is no longer subject to revision or update.