Hydrochloric acid (UN1789)
For Hydrochloric acid (UN1789), carrier is USPS; restriction type is restricted; scope is domestic mail via air or surface transportation; conditions is Acceptable only in solutions not exceeding 10% acid that qualify as Limited Quantity air or surface; Packaging Instruction 8A must be followed, recorded from its source on 2026-08-04.
- Item category
- Hydrochloric acid (UN1789)
- Carrier
- USPS our reading
- Restriction type
- restricted our reading
- Scope
- domestic mail via air or surface transportation our reading
- Conditions
- Acceptable only in solutions not exceeding 10% acid that qualify as Limited Quantity air or surface; 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
Hydrochloric Acid (UN1789): Acceptable only in solutions not exceeding 10 percent acid that qualify as Limited Quantity air or Limited Quantity surface material.
— pe.usps.com, retrieved 2026-08-04
Source
- pe.usps.comhttps://pe.usps.com/text/pub52/pub52c3_027.htm