Overview
ISO 8902:2025 - Essential oil of lavandin Grosso (Lavandula x intermedia “grosso”) - specifies the physical, chemical and chromatographic characteristics used to assess the quality of lavandin Grosso essential oil. The fourth edition updates terminology, structure and chromatographic profiles to help producers, laboratories and buyers verify authenticity and compliance for trading, formulation and safety purposes.
Key topics and requirements
- Scope and purpose: Defines requirements to facilitate quality assessment of essential oil of lavandin Grosso.
- Physical characteristics: Visual and sensory attributes (clear mobile liquid, pale yellow, characteristic slightly camphoraceous lavender‑like odour).
- Measured properties and test methods:
- Relative density at 20 °C: 0.891–0.900 (ISO 279)
- Refractive index at 20 °C: 1.458–1.462 (ISO 280)
- Optical rotation at 20 °C: −7° to −3° (ISO 592)
- Miscibility in 70% ethanol: max 3 volumes of 70% ethanol required to dissolve 1 volume oil (ISO 875)
- Chromatographic profile (required):
- Gas chromatography analysis per the ISO 11024 series. The standard lists representative and characteristic components with minimum and maximum percentage ranges for French and Spanish types. Key components and typical ranges include:
- Linalool: ~24–38%
- Linalyl acetate: ~23–38%
- Camphor: ~6–8.5%
- 1,8‑Cineole: ~4–8%
- Other markers: myrcene, limonene, (Z)/(E)‑β‑ocimene, borneol, terpinen‑4‑ol, lavandulyl acetate, etc.
- Flash point (informative): Indicative values provided in Annex B - ~75 °C (Setaflash) or ~78 °C (Luchaire); equipment used should be specified.
- Sampling and handling: Sampling per ISO 212 with a minimum test sample volume of 50 ml. Packaging, labelling and storage to follow ISO 210 and ISO 211.
Applications and users
ISO 8902:2025 is practical for:
- Essential oil producers and distillers to set product specifications and verify clone‑specific "Grosso" quality.
- Analytical and quality control laboratories performing gas chromatography and physico‑chemical testing.
- Perfumers, aromatherapists, cosmetics and fragrance formulators who require consistent raw‑material profiles.
- Traders, certifiers and regulatory bodies for specification checks, labeling accuracy and safety/transport information (flash point).
- R&D teams for product development and comparative studies of French vs. Spanish type profiles.
Related standards
- ISO 210, ISO 211, ISO 212 (packaging, labelling, sampling)
- ISO 279, ISO 280, ISO 592, ISO 875 (physical test methods)
- ISO 11024 (chromatographic profiles), ISO/TR 11018 (flash point guidance), ISO/TR 21092, ISO/TS 24106
Keywords: ISO 8902:2025, lavandin Grosso, essential oil, chromatographic profile, gas chromatography, quality assessment, linalool, linalyl acetate, flash point.