IMDGSEEKDangerous goods at sea

IMDG Code 42-24 · Dangerous Goods List

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UN1420POTASSIUM METAL ALLOYS, LIQUID

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

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

Dangerous Goods List entries

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

Compare all 1 DGL entry

Entry 1 · Packing group I

POTASSIUM METAL ALLOYS, LIQUID

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
Not listed
Special packing provision
PP31
IBC instruction
Not listed
IBC special provisions
Not listed
Portable tank / bulk container codes
Not listed
Tank special provisions
Not listed
EmS
F-G, S-L
Stowage and handling
Category D H1 Category D H1
Segregation
SG26 SG35
Properties and observations · source text
Soft, silvery metal liquid. Floats on water. Reacts violently with moisture, water or acids, evolving hydrogen, which may be ignited by the heat of the reaction. Highly reactive, sometimes with explosive effect.

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

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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