DL-Tartaric Acid, E330,CAS no.133-37-9, is a 1:1 mixture of L-Tartaric acid and D-Tartaric acid. DL Tartaric acid and its derivatives have a plethora of uses in the field of food and beverage. As an experienced DL-Tartaric Acid manufacturer and supplier, we has been supplying and exporting DL-Tartaric Acid for almost 10 years, please be assured to buy from us. Any inquiries about price and the market trend please feel free to contact us, we will reply you within 1 working day. DL-Tartaric Acid Specification Item Specification â??FCCIV/BP98 Name DL-Tartaric Acid Appearance White powder Purity(as C4H6O6) >99.7% Molecular formula C4H6O6 Melting Point 200-206�ºC Loss on drying