(a) Specific gravity at 25 °C. 0.850 to 0.860.

(b) Refractive index at 20 °C. 1.4570 to 1.4580.

(c) Optical rotation at 20 °C. +55° to +65°.

(d) Terpene content (as limonene). 65 percent minimum.

[T.D. TTB-140, 81 FR 59462, Aug. 30, 2016]


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