UNunnums
2968

UN 2968Maneb stabilized or Maneb preparations, stabilized against self-heating

Division 4.3

Dangerous when wet

Summary

UN 2968 is the UN number for maneb stabilized or Maneb preparations, stabilized against self-heating. It is classed in Division 4.3 (dangerous when wet) of Class 4 for transport. Packing group III. Emergency responders use ERG guide 135.

Emergency response

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

  • Guide135Maneb, stabilizedManeb preparation, stabilized

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 2968
Name
Maneb stabilized or Maneb preparations, stabilized against self-heating
Hazard class
Class 4: Flammable solids
Division
4.3: Dangerous when wet
Packing group
III
What the class covers
Substances which, in contact with water, emit flammable gases.

U.S. Hazardous Materials Table

The entry for this number in 49 CFR 172.101.

  • UN2968Maneb stabilized or Maneb preparations, stabilized

    against self-heating

    Special provisions: 54, A1, A19, IB8, IP4, T1, TP33, W100

    Class
    4.3
    Packing group
    III
    Labels
    4.3

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 4

Class 4 covers flammable solids and other substances that can catch fire. Division 4.1 is flammable solids and self-reactive substances, 4.2 is substances that can spontaneously combust in air, and 4.3 is substances that give off flammable gas when wet.

See all Class 4 UN numbers

Check the official sources

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