" Our lab analyzed WD-40 with gas chromatography (GC) and mass spectroscopy (MS).:
Mineral oil
Decane
Nonane
Tridecane and Undecane
Tetradecane
Dimethyl Naphthalene
Cyclohexane
Carbon Dioxide"
https://www.wired.com/2009/04/st-whatsinside-6/
Not surprisingly, that's just a mixture of mostly liquid alkanes, although "mineral oil" is amusingly imprecise --- I guess they just mean everything heavier than C14 (tetradecane). The dimethyl naphthalene might be an impurity.
Not surprisingly, that's just a mixture of mostly liquid alkanes, although "mineral oil" is amusingly imprecise --- I guess they just mean everything heavier than C14 (tetradecane). The dimethyl naphthalene might be an impurity.