HazMat Tool — substance information

Elevated temperature liquid, flammable, n.o.s., with flash point above 37.8 C, at or above its flash point

HMT May 2026
UN / ID
UN 3256
Hazard class
3
Packing group
III
ERG guide
ERG 128
Special provisions
SP IB1, SP T3, SP TP3, SP TP29
Source
49 CFR §172 (2026/05)

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Elevated temperature liquid, flammable, n.o.s., with flash point above 37.8 C, at or above its flash point

Emergency Response Guide No. 128

Hazardous Materials Table

Source: 49 CFR §172 (2026/05)

(3) Hazard Class

3
Flammable liquids

(4) Identification number Help

UN 3256

(5) Packing Group Help

III

(6) Labels Help

Flammable liquids (3)

(1) Symbols Help


This entry is signed with "G". The letter "G" identifies proper shipping names for which one or more technical names of the hazardous material must be entered in parentheses, in association with the basic description. (See §172.203(k)).

(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.
IB1
T3
TP3
TP29

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

(8A) ExceptionsNone
(8B) Non-bulkNone
(8C) Bulk247see 49 CFR §173.247

(9) Quantity Limits Help

(9A) Passenger aircraft/railForbidden
(9B) Cargo aircraft onlyForbidden

(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.