# ISO 4718:1981 — Withdrawn and superseded ISO standards For ISO 4718:1981, item title is Oil of lemongrass (Cymbopogon flexuosus); status code is 9599; successor is ISO/CD 4718 | ISO 4718:2004; withdrawn / published date is 1981-04-01, recorded from its source on 2026-08-05. - **Identifier:** ISO 4718:1981 _(verified: appears in the quote below)_ - **Item title:** Oil of lemongrass (Cymbopogon flexuosus) _(verified: appears in the quote below)_ - **Status code:** 9599 _(verified: appears in the quote below)_ - **Successor:** ISO/CD 4718 | ISO 4718:2004 - **Withdrawn / published date:** 1981-04-01 _(verified: appears in the quote below)_ ## What the source says > 10701,IS,,ISO 4718:1981,Oil of lemongrass (Cymbopogon flexuosus),Huile essentielle de lemongrass (Cymbopogon flexuosus),1981-04-01,1,['71.100.60'],ISO/TC 54,9599,,"[10702,32032]","['en','fr']",2,"
The Standard specifies the following characteristics of the oil. Appearance: Clear, mobile liquid. Colour: Pale yellow to yellowish brown. Odour: Characteristic, resembling that of citral. Relative density at 20/20 °C: 0,885 - 0,905. Refractive index at 20 °C: 1,4830 - 1,4890. Optical rotation at 20 °C: Range from - 3 to + 1 . Miscibility with 70 % (V/V) ethanol at 20 °C: 1 : 3. Carbonyl value: Minimum 268 (corresponding to 73 % of carbonyl compounds, expressed as citral). Residue from vacuum dis ## Source - https://isopublicstorageprod.blob.core.windows.net/opendata/_latest/iso_deliverables_metadata/csv/iso_deliverables_metadata.csv Last verified: 2026-08-05. Review by: 2027-02-01. Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).