Overview
ISO 3045:2004 specifies quality characteristics and analytical requirements for Oil of bay [Pimenta racemosa (Mill.) J.W. Moore], an essential oil used in flavors, fragrances and aromatherapy. The standard defines sensory descriptors, physicochemical limits and a normative chromatographic profile to facilitate consistent quality assessment and trade.
Key topics and technical requirements
- Appearance: Clear mobile liquid.
- Colour: Dark brown.
- Odour / Flavour: Characteristic, spicy; flavour described as spicy, hot.
- Relative density at 20 °C (d20): Min 0.943 – Max 0.984.
- Refractive index at 20 °C: Min 1.505 – Max 1.517.
- Optical rotation at 20 °C: Between −0.5° and +0.5° (product is highly coloured; decolorization is recommended before measurement).
- Phenols content: Minimum 52% (volume fraction).
- Chromatographic profile (normative): Gas chromatography must identify representative components with required proportion ranges:
- Eugenol: 42.0–56.0%
- Myrcene: 20.0–30.0%
- Chavicol: 8.0–13.0%
- Limonene: 1.0–4.0%
- Linalool: 1.0–3.0%
- Methyl eugenol: 0.1–2.0%
- Flashpoint (informative): Mean value reported as +64 °C (see Annex B).
- Sampling and test sample volume: See ISO 212; minimum 25 ml recommended.
- Analytical methods: Key test methods reference ISO standards for density, refractive index, optical rotation, phenols and chromatographic profiling. Annex A provides typical GC chromatograms and operating notes (apolar and polar columns, flame ionisation detection, hydrogen carrier).
Applications and users
ISO 3045:2004 is essential for:
- Quality control laboratories verifying oil of bay identity and purity.
- Essential oil producers and packers setting product specifications.
- Flavor and fragrance manufacturers ensuring consistent raw material performance.
- Regulatory bodies, importers/exporters and customs for product classification and compliance.
- Transport, insurance and safety officers referencing flashpoint and handling guidance.
Using this standard helps reduce batch-to-batch variability, supports traceability, and provides clear acceptance criteria for procurement and formulation.
Related standards
Keywords: ISO 3045:2004, Oil of bay, Pimenta racemosa, essential oil standard, chromatographic profile, eugenol, myrcene, phenols content, refractive index, relative density.