Product Name: D-Panthenol "Type: Food Additives Origin: China CAS No.: 81-13-0 AUCO No.: 880 Packing: 25kg drum" Items Standard Appearance "A. A colorless or slightly yellowish,viscous hygroscopic liquid (may crystallized on storage)" Identification B. Infrared absorption (197F) "C. The Sample solution:a deep blue color develops." "D. The Sample solution:a purplish red color develops." Assay(on the anhydrous basis) 98.0% 102.0% Water determination Not more than 1.0% Specific optical rotation +29.0 +31.5 Limit of aminopropanol Not more than 1.0% Residue on ignition Not more than 0.1% Refractive Index (20 1.495 1.502 Heavy metals Not more than 20ppm