Yellow or orange powder. Insoluble in water. Heat may cause exothermic decomposition, producing carbon monoxide (a toxic and flammable gas) and nitrogen. May explode if involved in a fire under confined conditions. Addition of activators (e.g. zinc compounds) may result in a decrease of thermal stability and/or a change in explosive properties.
P409 This instruction applies to UN Nos. 2956, 3242 and 3251. The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met: (1) Fibre drum (1G) which may be fitted with a liner or coating; maximum net mass: 50 kg. (2) Combination packagings: Fibreboard box (4G) with a single inner plastic bag; maximum net mass: 50 kg. (3) Combination packagings: Fibreboard box (4G) or fibre drum (1G) with inner plastic packagings each containing a maximum of 5 kg; maximum net mass: 25 kg.
These portable tank instructions apply to liquid and solid substances of class 1 and classes 3 to 9. The general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met. The instructions for portable tanks with FRP shells apply to substances of classes or divisions 1, 3, 5.1, 6.1, 6.2, 8 and 9. Additionally, the provisions of chapter 6.10 apply to the portable tanks with FRP shells.
T3 · Selected instruction · IMDG 42-24
Portable tank instruction
Minimum test pressure (bar)
Minimum shell thickness (in mm – reference steel) (see 6.7.2.4)
Pressure relief provisionsa (see 6.7.2.8)
Bottom opening provisionsb (see 6.7.2.6)
T3
2.65
See 6.7.2.4.2
Normal
See 6.7.2.6.2
a When the word “Normal” is indicated, all the provisions of 6.7.2.8 apply except for 6.7.2.8.3.
b When this column indicates “not allowed”, bottom openings are not permitted when the substance to be transported
is a liquid (see 6.7.2.6.1). When the substance to be transported is a solid at all temperatures encountered under normal
conditions of transport, bottom openings conforming to the provisions of 6.7.2.6.2 are authorized.
Source PDF pages：264 · 42-24
Extracted source text
S T1 – T22 These portable tank instructions apply to liquid and solid substances of class 1 and classes 3 to 9. The general provisions of section 4.2.1 and the requirements of section 6.7.2 shall be met. The instructions for portable tanks with FRP shells apply to substances of classes or divisions 1, 3, 5.1, 6.1, 6.2, 8 and 9. Additionally, the provisions of chapter 6.10 apply to the portable tanks with FRP shells. Minimum shell thickness Pressure relief Bottom opening (in mm – reference provisionsa provisionsb instruction pressure (bar) steel) (see 6.7.2.8) (see 6.7.2.6) (see 6.7.2.4) 2.65 See 6.7.2.4.2 Normal See 6.7.2.6.2
The portable tank instruction assigned for this substance applies for granular and powdered solids and for solids which are filled and discharged at temperatures above their melting point and which are cooled and transported as a solid mass. For solids which are transported above their melting point, see 4.2.1.19.
This entry only applies to the technically pure substance or to formulations derived from it, having an SADT higher than 75C, and, therefore, does not apply to formulations which are self-reactive ° substances (for self-reactive substances, see 2.4.2.3.2.3). Homogeneous mixtures containing not more than 35% by mass of azodicarbonamide and at least 65% of inert substance are not subject to this Code unless criteria of other classes are met.
Reference preview for Entry 1 · Packing group II. Confirm the cargo classification and any conditions in the special provisions.
Flammable solid 4.1
This UN may be carried as a limited quantity (Code allocation 500 g); if this consignment is shipped as LQ, the LQ mark must be applied and chapter 3.4 complied with
