HazMat Tool — substance information

Fuel cell cartridges or Fuel cell cartridges contained in equipment or Fuel cell cartridges packed with equipment, containing hydrogen in metal hydride

HMT May 2026
Reference only — HMT snapshot for inspection and audit support; not a shipping paper, placard mandate, or CVI record. Use Print / PDF below for field notes.
UN / ID
UN 3479
Hazard class
2.1
Packing group
ERG guide
ERG 115
Special provisions
SP 328
Source
49 CFR §172 (2026/05)

Spot an error in this entry?

Fuel cell cartridges or Fuel cell cartridges contained in equipment or Fuel cell cartridges packed with equipment, containing hydrogen in metal hydride

Emergency Response Guide No. 115

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

2.1
Flammable gases

(4) Identification number Help

UN 3479

(5) Packing Group Help

n/a

(6) Labels Help

Flammable gases (2.1)

(7) Special Provisions (§172.102) Help

×Note:
Special provisions may be very complex. The extracts are taken from 49 CFR §172.102. Please be careful with the information, as necessary, additional conditions may be applied that are not written here. Please check the original source and report bugs.
328

(8) Packing Authorizations (§173.***) Help

(8A) Exceptions230see 49 CFR §173.230
(8B) Non-bulk230see 49 CFR §173.230
(8C) Bulk230see 49 CFR §173.230

(9) Quantity Limits Help

(9A) Passenger aircraft/rail1 kg
(9B) Cargo aircraft only15 kg

(10) Vessel stowage Help

(10A) Location
(10B) Other n/a

Segregation chart for load, transport, and storage

This chart shows whether loading, transport, or storage with other hazard classes is permitted, prohibited, or restricted. Based on 49 CFR §177.848.

Prohibited Must not be loaded, transported, or stored together in the same vehicle or facility.
Permitted May be loaded, transported, or stored together.
Restricted May be loaded, transported, or stored together only with restrictions.