# Carbon Dioxide — Gas cylinder color codes by standard and country

For Carbon Dioxide, standard is ISO 32; body color is Grey, recorded from its source on 2026-08-05.

- **Gas:** Carbon Dioxide
- **Standard:** ISO 32 _(our reading, not quoted from the source)_
- **Body color:** Grey

## What the source says

> Gas | Cylinder Body Colour (ISO 32) | Oxygen | White | Nitrous Oxide | Blue | Medical Air | Black and white shoulder | Carbon Dioxide | Grey

## Source

- https://actisshealthcare.com/medical-gas-pipeline-colour-code

Last verified: 2026-08-05. Review by: 2028-08-04.
Part of [Gas cylinder color codes by standard and country](https://referencesource.org/gas-cylinder-color-codes/).