Packaging and storage
Preserve in tight containers.
Labeling
Label preparations containing it in terms of the equivalent amount of dextrorotatory calcium pantothenate.
Specific rotation 781S:
between
0.05
and +0.05
.
Test solution:
50 mg per mL, in water.
Alkalinity
Dissolve 1.0 g in 15 mL of carbon dioxide-free water in a small flask. As soon as solution is complete, add 1.6 mL of 0.10 N hydrochloric acid, then add 0.05 mL of phenolphthalein TS, and mix: no pink color is produced within 5 seconds.
Organic volatile impurities, Method I 467:
meets the requirements.
Other requirements
It responds to the
Identification tests and meets the requirements of the tests for
Loss on drying,
Heavy metals,
Nitrogen content, and
Calcium content under
Calcium Pantothenate.