Product Name: L (+) Tartaric Acid "Type: Food Additives Origin: China CAS No.: 87-69-4 AUCO No.: 118 Packing: 25kg bag" Items Standard Description Colorless crystals or white crystalline powder Content 99.7%-100.5% Specific rotatory power +12.0 - +13.0 Loss on drying 0.5% Residue ignition 0.05% Lead 2 mg/kg