Stearic acid's specifications as below.
Technical Indexes:
Appearance: white lump powder
Iodine Value (gl2/100g):≤2.0
Freezing Point (oC):≥54.0
Color and Luster Hazen:≤200
Saponification Value (mgKOH/g): 206-211
Acid Value (mgKOH/g):205-210
Water(%):≤0.2
Inorganic Acid(%):≤0.001