UNunnums
3289

UN 3289Toxic liquid, corrosive, inorganic, n.o.s. or Toxic liquid, corrosive, inorganic, n.o.s. Inhalation Hazard, Packing Group I, Zone A or B

Division 6.1

Toxic substances

Summary

UN 3289 is the UN number for toxic liquid, corrosive, inorganic, n.o.s. or Toxic liquid, corrosive, inorganic, n.o.s. Inhalation Hazard, Packing Group I, Zone A or B. It is classed in Division 6.1 (toxic substances) of Class 6 for transport. Packing group I or II, depending on the form. Emergency responders use ERG guide 154.

Emergency response

The Emergency Response Guidebook (ERG2024) guide for this number:

  • Guide154Poisonous liquid, corrosive, inorganic, n.o.s.Toxic liquid, corrosive, inorganic, n.o.s.

From the 2024 Emergency Response Guidebook (ERG2024), published by U.S. Department of Transportation, PHMSA. Read the full guide in the ERG or on CAMEO Chemicals.

Identification

UN number
UN 3289
Name
Toxic liquid, corrosive, inorganic, n.o.s. or Toxic liquid, corrosive, inorganic, n.o.s. Inhalation Hazard, Packing Group I, Zone A or B
Hazard class
Class 6: Toxic and infectious substances
Division
6.1: Toxic substances
Packing group
I, II
What the class covers
Substances liable to cause death, serious injury or harm to health if swallowed, inhaled or absorbed through the skin.

U.S. Hazardous Materials Table

2 entries share this number in 49 CFR 172.101, by name, packing group or where the shipment is going.

  • UN3289Toxic liquid, corrosive, inorganic, n.o.s

    • Technical name required in parentheses

    Special provisions: T14, TP2, TP13, TP27

    Class
    6.1
    Packing group
    I
    Labels
    6.1, 8

  • UN3289Toxic liquid, corrosive, inorganic, n.o.s

    • Technical name required in parentheses

    Special provisions: IB2, T11, TP2, TP27

    Class
    6.1
    Packing group
    II
    Labels
    6.1, 8

From the eCFR edition of 49 CFR 172.101 dated 2026-10-05 (section last amended 2026-09-08). The eCFR is an editorial compilation, not the official legal edition. Read the current table.

About Class 6

Class 6 covers poisons and infectious material. Division 6.1 is toxic substances that harm people if swallowed, inhaled or absorbed through the skin; 6.2 is infectious substances such as cultures and medical waste.

See all Class 6 UN numbers

Check the official sources

For emergency response, packaging and quantity limits, use these: