Hydroxy Methane Sulfonic Acid Sodium Salt is offered in white solid crystalline powder form. Hydroxy Methane Sulfonic Acid Sodium Salt is used in photographic and dye intermediates. Hydroxy Methane Sulfonic Acid Sodium Salt is available in minimum purity level of 98%. Hydroxy Methane Sulfonic Acid Sodium Salt contains free bisulfite in a range of less than 0.5%.