Physicochemical Property: Pale amber resinous matter. Deteriorate easily on exposure to air or to light. Freely solve in ethanol, sulfuric ether, chloroform or acetone, slightly solve in plant oil but hardly solve in water.
Specification: 4000,000IU/g
Physicochemical Property: Light yellow, yellow-grey or pale brown fine granules. Wet easily. If exposed to heat, wet, light or acid gas, it decomposes quickly.
Specification: 500,000IU/g,650,000IU/g
Physicochemical Property: Buff yellow or brown-yellow granule, odorless. Deteriorate easily if exposed to air and light. Freely solve in ethanol, sulfuric ether, chloroform and acetone, and slightly s
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