Nomenclature
CAS number: 10124-48-8
Mercury amide chloride; aminomercuric chloride; mercury ammonium chloride; ammoniated mercury; white precipitate; white mercuric precipitate.
ClH
2HgN; mol wt 252.07.
Cl 14.06%, H 0.80%, Hg 79.58%, N 5.56%.
HgNH
2Cl.
Description and 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.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.Therapeutic Category
Anti-infective (topical).
Therapeutic Category (Veterinary)
Anti-infective (topical).
Keywords
Antiseptic/Disinfectant; Mercurial compounds
Status
This monograph has been retired and is no longer subject
to revision or update.