2 2 dimethylbutane displayed formula July 8, 2019 16 32 64 128 2 2 dimethylbutane formula 2 2 dimethylbutane formula structure 2 methyl 2 butanol 2 2-dimethylbutane 2 2-dimethylbutane melting point 2 metil 2 butena + h2 2 2 dimetylo butan