Pepper spray laws in Maine

We found no Maine law restricting the sale or shipping of pepper spray. Federal rules still apply.

What we searched

17-A M.R.S. § 1002 criminal use of disabling chemicals (use offense only; text current incl. RR 2025 c.2 correction) https://legislature.maine.gov/statutes/17-A/title17-Asec1002.html
17-A M.R.S. §§ 554-A, 554-B (transfer of firearms/handguns to minors only) https://legislature.maine.gov/statutes/17-A/title17-Asec554-A.html
existing data/research/US-ME.json

Only criminal use of chemical mace is regulated; no sale/age/size rules.

Federal

Applies in every state.

BannedDo not mail via USPS a spray or device containing more than 2 percent CN/CS tear gas by mass (or bulk tear gas substance); devices with 2 percent or less tear gas are classed as aerosols and are mailable by surface (flammable) or air/surface (nonflammable) under Pub 52 Appendix A.

USPS Publication 52 § 346.24 (Nonmailable Division 6.1 Toxic Substances: Irritating Materials) · draft

Exact text

346.24 Nonmailable Division 6.1 Toxic Substances
...
Irritating Materials: All irritating materials are nonmailable. Examples include the following:
Bromobenzyl cyanide (UN1694).
Chloroacetophenone (UN1697).
Diphenylamine chloroarsine (UN1698).
Diphenylchloroarsine (UN1699).
Tear gas (UN1700, NA1693, and UN1693), except for those containing oleoresin capsicum.