2,3-Dimercapto-1-propanesulfonic acid

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2,3-Dimercapto-1-propanesulfonic acid
Identifiers
CAS number [74-61-3]
PubChem 20007
MeSH Unithiol
SMILES OS(=O)(=O)CC(S)CS
Properties
Molecular formula C3H8O3S3
Molar mass 188.289 g/mol
Except where noted otherwise, data are given for
materials in their standard state
(at 25 °C, 100 kPa)

Infobox disclaimer and references

2,3-Dimercapto-1-propanesulfonic acid (abbreviated DMPS)or its sodium salt (known as Unithiol) are chelating agents that form complexes with various heavy metals. It is related to dimercaprol, which is another chelating agent.

The synthesis of DMPS was first reported in 1956 by scientists in the Soviet Union.[citation needed] The effects if DMPS on heavy metal poisoning, including with polonium-210 were investigated in the following years. DMPS was found to have some protective effect, prolonging the survival time.[1]

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[edit] References

  1. ^ Annual Reviews Pharmacology and Toxicology 30:279-306 (1990).

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