HazMat Tool — substance information

Mercury contained in manufactured articles

HMT May 2026
UN / ID
UN 3506
Hazard class
8
Packing group
ERG guide
ERG 172
Special provisions
SP A191
Source
49 CFR §172 (2026/05)

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Mercury contained in manufactured articles

Emergency Response Guide No. 172

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

8
Corrosive liquids

(4) Identification number Help

UN 3506

(5) Packing Group Help

n/a

(6) Labels Help

Corrosive liquids (8) Poisonous liquids PG I Zone A (6.1)

(1) Symbols Help


This entry is signed with "A". The letter "A" denotes a material that is subject to the requirements of this subchapter only when offered or intended for transportation by aircraft, unless the material is a hazardous substance or a hazardous waste. A shipping description entry preceded by an "A" may be used to describe a material for other modes of transportation provided all applicable requirements for the entry are met.
This entry is signed with "W". The letter "W" denotes a material that is subject to the requirements of this subchapter only when offered or intended for transportation by vessel, unless the material is a hazardous substance or a hazardous waste. A shipping description entry preceded by a "W" may be used to describe a material for other modes of transportation provided all applicable requirements for the entry are met.

(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.
A191

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

(8A) Exceptions164see 49 CFR §173.164
(8B) Non-bulkNone
(8C) BulkNone

(9) Quantity Limits Help

(9A) Passenger aircraft/railNo limit
(9B) Cargo aircraft onlyNo limit

(10) Vessel stowage Help

(10A) Location
(10B) Other

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.

Similar substances

UN / IDProper shipping nameHazard class
UN 2909Radioactive material, excepted package-articles manufactured from natural uranium or depleted uranium or natural thorium7