Acetic acid (UN2790)
For Acetic acid (UN2790), carrier is USPS; restriction type is restricted; scope is domestic mail via air or surface transportation; conditions is Mailable if meets Limited Quantity requirements, contains less than 80% acid, and does not exceed 1 pint; Packaging Instruction 8A must be followed, recorded from its source on 2026-08-04.
- Item category
- Acetic acid (UN2790)
- Carrier
- USPS our reading
- Restriction type
- restricted our reading
- Scope
- domestic mail via air or surface transportation our reading
- Conditions
- Mailable if meets Limited Quantity requirements, contains less than 80% acid, and does not exceed 1 pint; Packaging Instruction 8A must be followed unconfirmed
Values marked unconfirmed are shown, but we could not tie them to the quote below: Conditions. Read the quote and judge them yourself.
Values marked our reading are our classification of what the source says — the source does not print them in those words. The quote below is the evidence for each one; judge it yourself.
What the source says
Acetic Acid (UN2790): May be mailable if they meet Limited Quantity requirements for air or surface material, contains less than 80 percent acid, and does not exceed 1 pint.
— pe.usps.com, retrieved 2026-08-04
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c3_027.htm