IMDGSEEKDangerous goods at sea

IMDG Code 42-24 · Dangerous Goods List

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UN1391ALKALI METAL DISPERSION or ALKALINE EARTH METAL DISPERSION

English proper shipping name · Check the cargo and applicable provisions before shipment.

Class4.3
Packing groupI
EmSF-G, S-N

Dangerous Goods List entries

The comparison below lists all entries. Expanded provisions and the label preview on this page apply to Entry 1.

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Entry 1 · Packing group I

ALKALI METAL DISPERSION or ALKALINE EARTH METAL DISPERSION

Class
4.3
Subsidiary risk / reference
Not listed
Packing group
I
Marine pollutant entry
Not listed; check the cargo classification
Limited quantities
0
Excepted quantities
E0
Packing instruction
P402
Special provisions
182 183
Special packing provision
PP31
IBC instruction
Not listed
IBC special provisions
Not listed
Portable tank / bulk container codes
T13
Tank special provisions
TP2 TP7 TP42
EmS
F-G, S-N
Stowage and handling
Category D H1 Category D H1
Segregation
SG26 SG35
Properties and observations · source text
Finely divided alkali metal or alkaline earth metal, suspended in a liquid. Reacts violently with moisture, water or acids, evolving hydrogen, which may be ignited by the heat of the reaction.

Packing and large packaging instructions

P402

Source pages and references
Referenced provisions:4.1.1 ↗4.1.3 ↗4.1.3.6 ↗

Check original English pages and footnotes ↗ · official PDF 201–201

P402 The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met: (1) Pressure receptacles, provided that the general provisions of 4.1.3.6 are met. They shall be made of steel and subjected to an initial test and periodic tests every 10 years at a pressure of not less than 0.6 MPa (6 bar, gauge pressure). During carriage, the liquid shall be under a layer of inert gas with a gauge pressure of not less than kPa (0.2 bar). (2) Combination packagings Outer packagings: Drums (1A1, 1A2, 1B1, 1B2, 1N1, 1N2, 1H1, 1H2, 1D, 1G); Boxes (4A, 4B, 4N, 4C1, 4C2, 4D, 4F, 4G, 4H1, 4H2); Jerricans (3A1, 3A2, 3B1, 3B2, 3H1, 3H2). Inner packagings with a maximum net mass as follows: Glass 10 kg Metal or plastics 15 kg Each inner packaging shall be fitted with threaded closures. Each inner packaging shall be surrounded by inert cushioning and absorbent material in a quantity sufficient to absorb the entire contents. The maximum net mass per outer packaging shall not exceed 125 kg. (3) Steel drums (1A1) with a maximum capacity of 250 L. (4) Composite packagings consisting of plastics receptacle in a steel or aluminium drum (6HA1 or 6HB1) with a maximum capacity of 250 L. Special packing provision: PP31 For UN Nos. 1389, 1391, 1392, 1420, 1421, 1422, 3148, 3184 (PG II), 3185 (PG II), 3187 (PG II), 3188 (PG II), 3398 (PG I), 3399 (PG I) and 3482, packagings shall be hermetically sealed.

IMDG Code 42-24 · English source text

Special packing provisions

PP31

Applies under P402

Source pages and references

Check original English pages and footnotes ↗ · official PDF 201–201

For UN Nos. 1389, 1391, 1392, 1420, 1421, 1422, 3148, 3184 (PG II), 3185 (PG II), 3187 (PG II), 3188 (PG II), 3398 (PG I), 3399 (PG I) and 3482, packagings shall be hermetically sealed.

IMDG Code 42-24 · English source text

Portable tank instructions

T13

Source pages and references
Referenced provisions:4.2.1 ↗6.7.2 ↗6.7.2.8 ↗6.7.2.6 ↗6.7.2.4 ↗

Check original English pages and footnotes ↗ · official PDF 260–267

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.

T13 · Selected instruction · IMDG 42-24
Portable tank instructionMinimum 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)
T1366 mmNormalNot allowed

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) 6 6 mm Normal Not allowed

IMDG Code 42-24 · English source text

Tank special provisions

TP42

Source pages and references

Check original English pages and footnotes ↗ · official PDF 269–269

Portable tanks are not authorized for the transport of caesium or rubidium dispersions.

IMDG Code 42-24 · English source text

Special provisions

SP 182

Source pages and references

Check original English pages and footnotes ↗ · official PDF 755–755

The group of alkali metals includes lithium, sodium, potassium, rubidium and caesium.

IMDG Code 42-24 · English source text

SP 183

Source pages and references

Check original English pages and footnotes ↗ · official PDF 755–755

The group of alkaline earth metals includes magnesium, calcium, strontium and barium.

IMDG Code 42-24 · English source text

Handling provisions

Segregation codes

SG26

Source pages and references

Check original English pages and footnotes ↗ · official PDF 493–493

In addition: from goods of classes 2.1 and 3 when stowed on deck of a containership a minimum distance of two container spaces athwartship shall be maintained, when stowed on ro-ro ships a distance of 6 m athwartship shall be maintained.

IMDG Code 42-24 · English source text

Labels and marks

Reference preview for Entry 1 · Packing group I. Confirm the cargo classification and any conditions in the special provisions.

Dangerous when wet 4.3
Dangerous when wet 4.3

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