Not more than 0.1%, determined on 1.0 g.
Method I: Not more than 20 µg/g.
A 10% (w/v) solution in acetone is clear and not more intensely colored than yellow.
Where labeled for use in parenteral or topical preparations, it meets the requirements for Bacterial Endotoxins (NMT 5.0 USP Endotoxin Units/mg) and Sterility where appropriate.
Packaging and Storage: Preserve in tight, light-resistant containers. Store at controlled room temperature (20°–25°).