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Antimony potassium tartrate

Antimony potassium tartrate, also known as potassium antimonyl tartrate, potassium antimontarterate, or emetic tartar, has the formula K2Sb2(C4H2O6)2 and is the double salt of potassium and antimony of tartaric acid. The compound has long been known as a powerful emetic, and was used in the treatment of schistosomiasis and leishmaniasis.

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Further Information

Names

Other names

potassium antimonyl tartrate
emetic tartar
tartar emetic

Identifiers

CAS Number: 28300-74-5

JSmol: Interactive image

ChEBI: CHEBI:2761

ChemSpider: 17214979

ECHA InfoCard: 100.031.164

EC Number: 234-293-3

KEGG: C11340

PubChem: 16682736

Properties

Chemical formula: KSb(CHO) · 3 HO2242622

Molar mass: 667.87 g/mol

Appearance: white crystalline powder

Density: 2.6 g/cm

Solubility in water: 8.3 g/100 mL (0 °C)
35.9 g/100 mL (100 °C)

Hazards

EU classification:

R-phrases: R20/22 R51/53

S-phrases: (S2) S61

median dose: 110 mg/kg

Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).Except where otherwise noted, data are given for materials in their(at 25 °C [77 °F], 100 kPa).