A key intermediate in the synthesis of original organosilicon ascorbic acid derivatives, 6-(phtalimidomethyldimethylsilanyl)hexan-1-ol crystallizes in a triclinic form, P1. The unit-cell dimensions at 296 K are a = 7.807(8), b = 10.145(4), c = 11.886(4)Å, α = 93.53(3)°, β = 105.84(4)°, γ = 89.77(5)°, V = 903.8(10)Å3, Dx = 1.174 g/cm3, and Z = 2. The R value is 0.0657 for 2662 observed reflexions.
