[{"from": "human", "value": "Please give me some details about this molecule. [O].[O].[O].[O].[O].[O].[O].[O][As][=Branch1][C][=O][Branch1][C][O-1][O-1].[Na+1].[Na+1]"}, {"from": "gpt", "value": "The molecule appears as odorless white crystals. Becomes anhydrous at 212 \u00b0F. Aqueous solution is alkaline to litmus. "}]