U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 28, 2025
(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.
