# Oxygen, Compressed (UN1072) — Division 2.2 nonflammable gas — Postal shipping restrictions by item category

For Oxygen, Compressed (UN1072), item category is Oxygen, Compressed (UN1072) — Division 2.2 nonflammable gas; carrier is USPS; restriction type is restricted; scope is domestic mail; conditions is Mailable if qualifies as Limited Quantity material; must follow applicable packaging instructions, recorded from its source on 2026-08-04.

- **Item category:** Oxygen, Compressed (UN1072) — Division 2.2 nonflammable gas _(unconfirmed — we could not tie this to the quote below)_
- **Carrier:** USPS _(our reading, not quoted from the source)_
- **Restriction type:** restricted _(our reading, not quoted from the source)_
- **Scope:** domestic mail _(our reading, not quoted from the source)_
- **Conditions:** Mailable if qualifies as Limited Quantity material; must follow applicable packaging instructions _(unconfirmed — we could not tie this to the quote below)_

## What the source says

> Oxygen, Compressed (UN1072): Division 2.2 nonflammable gas. Compressed oxygen is mailable if it qualifies as a Limited Quantity material

## Source

- https://pe.usps.com/text/pub52/pub52c3_021.htm

Last verified: 2026-08-04. Review by: 2027-08-04.
Part of [Postal shipping restrictions by item category](https://referencesource.org/shipping-restrictions-by-class/).