---
type: restriction
id: usps-acetone-un1090-benzene-un1114-hexane-s-un1208
asset: shipping-restrictions-by-class
title: "Acetone (UN1090), Benzene (UN1114), Hexane(s) (UN1208) — Postal shipping restrictions by item category"
sources:
  - https://pe.usps.com/text/pub52/pub52c3_022.htm
source_quote: "Acetone (UN1090) normally has a flashpoint of 0° F, Benzene (UN1114) normally has a flashpoint of 12° F, and Hexane(s) (UN1208) normally have flashpoints in the vicinity of -15° F. All are nonmailable unless diluted"
generated: true
harvested: 2026-08-04
stale_after: 2027-08-04
item_category: "Acetone (UN1090), Benzene (UN1114), Hexane(s) (UN1208)"
carrier: "USPS"
restriction_type: "prohibited"
scope: "all mail"
conditions: "Nonmailable unless diluted with less flammable or nonflammable materials sufficient to raise flashpoint to 20 F or higher"
verified: false
unverified_fields: carrier, conditions, item_category, restriction_type, scope
---
**Item category:** Acetone (UN1090), Benzene (UN1114), Hexane(s) (UN1208)

**Carrier:** USPS

**Restriction type:** prohibited

**Scope:** all mail

**Conditions:** Nonmailable unless diluted with less flammable or nonflammable materials sufficient to raise flashpoint to 20 F or higher

> Acetone (UN1090) normally has a flashpoint of 0° F, Benzene (UN1114) normally has a flashpoint of 12° F, and Hexane(s) (UN1208) normally have flashpoints in the vicinity of -15° F. All are nonmailable unless diluted

Source: <https://pe.usps.com/text/pub52/pub52c3_022.htm>