# ISO 590:1981 — Withdrawn and superseded ISO standards

For ISO 590:1981, item title is Oil of brazilian sassafras; status code is 9599; successor is ISO/WD 590; withdrawn / published date is 1981-09-01, recorded from its source on 2026-08-05.

- **Identifier:** ISO 590:1981 _(verified: appears in the quote below)_
- **Item title:** Oil of brazilian sassafras _(verified: appears in the quote below)_
- **Status code:** 9599 _(verified: appears in the quote below)_
- **Successor:** ISO/WD 590
- **Withdrawn / published date:** 1981-09-01 _(verified: appears in the quote below)_

## What the source says

> 4687,IS,,ISO 590:1981,Oil of brazilian sassafras,Huile essentielle de sassafras du Brésil,1981-09-01,1,['71.100.60'],ISO/TC 54,9599,,[4688],"['en','fr']",2,"<p>The oil shall be a clear mobile liquid which may become cloudy or crystalline at low temperatures. The colour shall be yellow to brownish-yellow, the odour characteristic, recalling safrole. The relative density at 20/20 °C has to ly between 1,082 and 1,094 and the refractive index at 20 °C between 1,5330 and 1,5370. The optical rotation shall range from - 0,50 to + 3,0 . The miscibility with 90 % (V/V) ethanol at 20 °C shall be 1 volume in 2 volumes to give a clear solution. The freezing point shall ly between 7,5 °C and 9,5 °C. Samp

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Part of [Withdrawn and superseded ISO standards](https://referencesource.org/iso-standard-supersessions/).