Stronger Rose Water
»Stronger Rose Water is a saturated solution of the odoriferous principles of the flowers of Rosa centifoliaLinné(Fam.Rosaceae)prepared by distilling the fresh flowers with water and separating the excess volatile oil from the clear,water portion of the distillate.
NOTE—Stronger Rose Water,diluted with an equal volume of purified water,may be supplied when “Rose Water”is required.
Packaging and storage—
The odor of Stronger Rose Water is best preserved by allowing a limited access of fresh air to the container.
Reaction:
neutral or acid to litmus.
Residue on evaporation—
Evaporate 100mLon a steam bath,and dry the residue at 105
for 1hour:not more than 15mg of residue remains (0.015%).
for 1hour:not more than 15mg of residue remains (0.015%).
Heavy metals,Method Iá231ñ—
Add 2mLof 1Nacetic acid to 10mLof Stronger Rose Water,and add water to make 25mL:the limit is 2ppm.
Organic volatile impurities,Method Iá467ñ:
meets the requirements.
Auxiliary Information—
Staff Liaison:Catherine Sheehan,B.Sc.,Scientist
Expert Committee:(EMC)Excipients:Monograph Content
USP28–NF23Page 3070
Phone Number:1-301-816-8262