# ISO 4731:1978 — Withdrawn and superseded ISO standards

For ISO 4731:1978, item title is Oil of geranium; status code is 9599; successor is ISO/CD 4731 | ISO 4731:2006; withdrawn / published date is 1978-12-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 4731:1978 _(verified: appears in the quote below)_
- **Item title:** Oil of geranium _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/CD 4731 | ISO 4731:2006
- **Withdrawn / published date:** 1978-12-01 _(verified: appears in the quote below)_

## What the source says

> 10715,IS,,ISO 4731:1978,Oil of geranium,Huile essentielle de géranium,1978-12-01,1,['71.100.60'],ISO/TC 54,9599,,"[10716,37844]","['en','fr']",3,"<p>The Standard specifies certain characteristics of the oil. Descriptions and permissible values are given of aspect, colour, odour, relative density at 20/20 °C, refractive index at 20 °C, optical rotation at 20 °C, miscibility with 70 % (V/V) ethanol at 20 °C, acid value, ester value, ester value after acetylation, carbonyl value, and apparent citronellol (rhodinol) content. Most of the values differ dependent on the country of origin (Bourbon, Algeria, Morocco, India, Kenya, Egypt, U.S.S.R.).</p>"

## 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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).