A colorless crystalline solid that is extremely poisonous (0.one g would be a lethal dose). Analysis of the strong and vapor states suggests a dimerized composition of As4O6. analyzed the synthesis of dimethylarsine from arsenate inside a reaction that needs methylcobalamin and methane synthetase. Schrauzer et al. Dimethylarsinic acid (cacodylic http://https//chemscenter.com