Packaging and storage
Preserve in well-filled,tight containers.
Solubility test
One mLis miscible with 1mLof chloroform without turbidity.Add 20mLof 90percent alcohol to this mixture:the resulting liquid is neutral or acid to moistened litmus paper and,upon standing at 20

,deposits crystals within 5minutes.
Angular rotation á781Añ:
between
-1

and
-4

.