I-dimethyldichlorosilane, (CH3)2SiCl2: uketshezi olungenambala olubila cishe ku-70 °C, owenziwa kanye ne-methyltrichlorosilane ngokudlulisa i-methyl chloride phezu kwe-silicon eshisayo. Amanzi ayiguqula ibe yi-dimethyl silicone, uwoyela owenza injoloba ye-silicone.