Name: Monosodium tartrate Molecular Formula: C4H5NaO6 CAS Registry Number: 526-94-3 Monosodium tartrate or sodium bitartrate is a sodium salt of tartaric acid. As a food additive it is used as an acidity regulator and is known by the E number E335. E335, 526-94-3,Monosodium tartrate,Sodium bitartrate,Monosodium tartrate acidity regulator,Monosodium tartrate supplier,Monosodium tartrate manufacturer, Monosodium tartrate exporter,Monosodium tartrate distributor, Monosodium tartrate importer