The molecule is an organic disulfide that results from the formal oxidative dimerisation of 2-nitro-5-thiobenzoic acid. An indicator used to quantify the number or concentration of thiol groups. It has a role as an indicator. It is a nitrobenzoic acid and an organic disulfide.
5-[(3-carboxy-4-nitrophenyl)disulfanyl]-2-nitrobenzoic acid