Potassium Tartrate Dipotassium 2,3-dihydroxybutanedioate; Argol ; E336GRADES1) DL 2) L+HSN CODE29181390CAS #921-53-9UN NUMBERNon HazMOLECULAR FORMULAC4H4K2O6APPLICATIONSElectroplating