Bornyl acetate

Bornyl acetate

Bornyl Acetate

【Synonym】bornyl acetate

【Structural formula】

[Molecular formula and molecular weight] C ₁₂ H ₂₀ O ₂ ; 196.

[Source] Synthesis

【Properties】Colorless and transparent liquid

Soluble in ethanol , ether , most non-volatile oils and volatile oils, slightly soluble in water, insoluble in propylene glycol and glycerin

【Purity Check】

TLC

1.

Developing solvent cyclohexane - ethyl acetate (22 to 1)

Inspection of 5% vanillin sulfuric acid solution, heated at 105°C until the spots appear clear, inspect under sunlight

2.

Eluent petroleum ether (60 ~ 90 ℃) - ethyl acetate (20:1)

Inspection of 5% vanillin sulfuric acid solution, heated at 105°C until the spots appear clear, inspect under sunlight

Gas chromatography

Column DB-1 capillary column, 0.

Column temperature 100℃

【Structural identification】211

2900, 2850, 1740 (C=O), 1500, 1480, 1260, 1100, 1040

EI-MS m/z: 196[M] ⁺

¹ H-NMR (CDCl ₃ ) δ: 0.

¹³ C-NMR (CDCl ₃ ) δ: 48.

【Storage】Keep refrigerated

Related link: Emodin methyl ether