5865. Meralein Sodium

Nomenclature

CAS number: 4386-35-0
(3′,6′-Dihydroxy-2′,7′-diiodospiro[3H-2,1-benzoxanthiole-3,9′-[9H]xanthen]-4′-yl)hydroxymercury S,S-dioxide monosodium salt; o-[6-hydroxy-5-(hydroxymercuri)-2,7-diiodo-3-oxo-3H-xanthen-9-yl]benzenesulfonic acid sodium salt; 2,7-diiodo-4-hydroxymercuriresorcinsulfonphthalein monosodium salt; monohydroxymercuridiiodoresorcinsulfonphthalein sodium salt; sodium meralein; Merodicein (Becton Dickinson).
C19H9HgI2NaO7S; mol wt 858.72.
C 26.57%, H 1.06%, Hg 23.36%, I 29.56%, Na 2.68%, O 13.04%, S 3.73%.

Description and references

Prepn: Dunning, Farinholt, J. Am. Chem. Soc. 51, 804 (1929). Pharmacology and toxicology: Macht, Cook, J. Pharmacol. Exp. Ther. 43, 571 (1931).

Chemical structure

Properties

Green scales, turn dark red on pulverizing. Sol in water; aq soln slightly fluorescent.

Therapeutic Category

Antiseptic, disinfectant.

Keywords

Antiseptic/Disinfectant; Mercurial compounds