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Description
Appearance: colorless to light yellow liquid.
Aroma: with the characteristics of fir leaves, balsam aroma and spicy smell.
Specific gravity: 0.872 ~ 0.878
Refraction: 1.473 ～ 1.476
Optical rotation: - 19 ° ~ - 24 ° (25 ℃)
Ester content: 8.0% - 16.0%
