A Pharmaceutical Grade Excipient
Docusate sodium is a pharmaceutical grade surfactant, making it an efficient emulsifier, wetting, dispersing and solubilizing agent. Cytec offers Docusate sodium as a 100% waxy material and
85% active combined with NF grade sodium benzoate...
https://www.cytec.com/businesses/additive-technologies/specialty-additives/docusate-sodium