Occidental Chemical Corporation literature (OxyChem 2003) declares purities for anhydrous NaDCC and
NaDCC dihydrate of > 97% and > 99%, respectively, based on analyzed deliverable FAC. Sales specifications
from July and August 2002 cite a range for moisture of 12.2-14.0% for the dihydrate and not more than 3.0%
for the anhydrous material.