Hard Fat
» Hard Fat is a mixture of glycerides of saturated fatty acids.
Packaging and storage
Preserve in tight containers at a temperature that is 5 or more below the melting range stated in the labeling.
Labeling
The labeling includes the nominal melting temperature, which is between 27 and 44.
Melting range, Class II 741:
the melting temperature does not differ by more than 2 from the nominal value given under Labeling.
Acid value 401:
not more than 1.0.
Hydroxyl value 401:
not more than 70.
Iodine value 401:
not more than 7.0.
Saponification value 401:
between 215 and 255.
Unsaponifiable matter 401:
not more than 3.0%.
Alkaline impurities
Dissolve 2.0 g in a mixture of 1.5 mL of alcohol and 3.0 mL of ether. Add 0.05 mL of bromophenol blue TS, and titrate with 0.01 N hydrochloric acid to a yellow endpoint: not more than 0.15 mL of 0.01 N hydrochloric acid is required.
Residue on ignition 281:
not more than 0.05%.
Auxiliary Information
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USP32NF27 Page 1237
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