2840. DDD (Analytical)

Nomenclature

CAS number: 6088-51-3
6,6′-Dithiobis-2-naphthalenol; 6,6′-dithiodi-2-naphthol; bis(6-hydroxy-2-naphthyl) disulfide; 2,2′-dihydroxy-6,6′-dinaphthyl disulfide; 6,6′-dithiobis(2-naphthol).
C20H14O2S2; mol wt 350.45.
C 68.54%, H 4.03%, O 9.13%, S 18.30%.

Description and references

Prepn: Zincke, Dereser, Ber. 51, 352 (1918).

Chemical structure

Properties

Leaflets, mp 221-222°.

Note

Not to be confused with the insecticide, p,p′-DDD [1,1-dichloro-2,2-bis(p-chlorophenyl)ethane].

Use

For determination of protein-bound sulfhydryl groups.