2 5 dichloro 2 5 dimethylhexane molecular weight July 8, 2019 16 32 64 128 2 5-dichloro-2 5-dimethylhexane melting point 2 3-dichloro-4-methylhexane 2-chloro-5 5-dimethyl-1 3 2-dioxaphosphorinane 2-oxide 2 2-dichloroacetic acid