9269. Thallium Sulfate

Nomenclature

CAS number: 7446-18-6
Thallous sulfate; Eccothal (Centerchem).
O4STl2; mol wt 504.83.
O 12.68%, S 6.35%, Tl 80.97%.
Tl2SO4.

Properties

White, rhomboid prisms. Poisonous. d 6.77; mp 632°. Soly in 100 ml water at 0°: 2.70 g; at 20°: 4.87 g; at 100°: 18.45 g. LD50 orally in rats: 25 mg/kg, E. W. Schafer, Toxicol. Appl. Pharmacol. 21, 315 (1972).

Caution

Potential symptoms of overexposure are nausea, diarrhea, abdominal pain, vomiting; ptosis, strabismus; peripheral neuritis, tremor; retrosternal tightness, chest pain, pulmonary edema; seizures, chorea, psychosis; liver, kidney damage; alopecia; leg paresthesia. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 304; Clinical Toxicology of Commercial Products, R. E. Gosselin et al., Eds. (Williams & Wilkins, Baltimore, 5th ed., 1984) section III, pp 379-383. See also Thallium.

Use

As rat poison, as ant bait and as a reagent in analytical chemistry.