CFR › Title 27 › Part 21 › §21.118-T127 CFR §21.118-T1Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗Copy link(a)Purity. ≥ 97.0 percent.(b)Color. Clear, colorless.(c)Odor. Turpentine-like.(d)Specific Gravity at 20 °C. 0.70 to 0.80.(e)Boiling Point ( °C). 55.