Calcium petroleum sulfonate Calcium petroleum sulfonate; Calcium petroleum sulfonates; EC 263-093-9; EINECS 263-093-9; Sulfonic acids, petroleum, calcium salts; Sulfonic acid, petroleum, calcium salt; Sulfonic acids, petroleum, calcium salts; Superlist Names Petroleum sulfonic acids, calcium salts; Sulfonic acids, petroleum, calcium salts;;Calcium petroleum sulfonate;Sulfonic acids, petroleum, calcium salts CAS 61789-86-4