8961. Sulfonyldiacetic Acid

Nomenclature

CAS number: 123-45-5
2,2′-Sulfonylbisacetic acid; sulfonediacetic acid; dimethylenesulfone-α,α′-dicarboxylic acid.
C4H6O6S; mol wt 182.15.
C 26.38%, H 3.32%, O 52.70%, S 17.60%.

Description and references

Prepd by oxidation of thiodiglycolic acid: Lovén, Ber. 17, 2818 (1884).

Chemical structure

Properties

Tabular crystals, mp 182°. Freely sol in water. Sol in alc. Slightly sol in ether.

Use

Detection of barium, lead, mercury and silver.