Citric Acid Anhydrous (CAS 77-92-9): The Water-Free Workhorse Behind Food, Pharma, and Clean Surfaces
A practical supplier guide to citric acid anhydrous (CAS 77-92-9): what the water-free grade is, its spec sheet (C6H8O7, MW 192.12, EINECS 201-069-1, white crystalline powder, assay >=99.5%), how it is used across food, pharma, cosmetics, metal cleaning and wastewater treatment, plus buyer specification and storage notes.
