Potassium sodium L-tartarate Surface treatment for metal �œ25kg net paper bag 1.  304-59-6 2.  9-530 3.  210.23 4.  Appearance: White crystalline powder  Assay: 99.0%min.  JSFAVII 5.  25kg net paper bag 6.  Surface treatment for metal 7.  C 1.  CAS No. 2.  Existing & New Chemical      Substances in Japan     3.  Molecular Weight   4.  Specification   5.  Packing   6.  Use   7.  Development Stage      • C: Commercially available      • O: Made-to-order      • R: Under R&D