IMDGSEEKDangerous goods at sea

IMDG Code 42-24 · Dangerous Goods List

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UN1418MAGNESIUM POWDER or MAGNESIUM ALLOYS POWDER

English proper shipping name · 3 DGL entries — select the applicable conditions below.

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Match the proper shipping name, concentration or form, and packing group to your cargo. All requirements and the label preview below follow the selected entry.

The initial selection is a reference entry, not a classification decision for your cargo. “—” means the source field is not listed.

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

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 3 DGL entries

Entry 1 · Packing group I

MAGNESIUM POWDER or MAGNESIUM ALLOYS POWDER

Class
4.3
Subsidiary risk / reference
4.2
Packing group
I
Marine pollutant entry
Not listed; check the cargo classification
Limited quantities
0
Excepted quantities
E0
Packing instruction
P403
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-O
Stowage and handling
Category A H1 Category A H1
Segregation
SGG15 SG26 SG32 SG35
Properties and observations · source text
In contact with moisture, water or acids, evolves hydrogen, a flammable gas. Magnesium dust is easily ignited, causing explosion. May explode when in contact with oxidizing substances. For fire-fighting purposes, dry lithium chloride powder, dry sodium chloride or graphite powder should be carried on board when this substance is transported. Reacts with liquid halogenated hydrocarbons.

Entry 2 · Packing group II

MAGNESIUM POWDER or MAGNESIUM ALLOYS POWDER

Class
4.3
Subsidiary risk / reference
4.2
Packing group
II
Marine pollutant entry
Not listed; check the cargo classification
Limited quantities
0
Excepted quantities
E2
Packing instruction
P410
Special provisions
Not listed
Special packing provision
PP31 PP40
IBC instruction
IBC05
IBC special provisions
B21
Portable tank / bulk container codes
T3
Tank special provisions
TP33
EmS
F-G, S-O
Stowage and handling
Category A H1 Category A H1
Segregation
SGG15 SG26 SG32 SG35
Properties and observations · source text
See entry above.

Entry 3 · Packing group III

MAGNESIUM POWDER or MAGNESIUM ALLOYS POWDER

Class
4.3
Subsidiary risk / reference
4.2
Packing group
III
Marine pollutant entry
Not listed; check the cargo classification
Limited quantities
0
Excepted quantities
E1
Packing instruction
P410
Special provisions
223
Special packing provision
PP31
IBC instruction
IBC08
IBC special provisions
B4
Portable tank / bulk container codes
T1
Tank special provisions
TP33
EmS
F-G, S-O
Stowage and handling
Category A H1 Category A H1
Segregation
SGG15 SG26 SG32 SG35
Properties and observations · source text
See entry above.

Packing and large packaging instructions

P403

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

Check original English pages and footnotes ↗ · official PDF 202–202

P403 The following packagings are authorized, provided that the general provisions of 4.1.1 and 4.1.3 are met. Combination packagings Maximum net mass Glass 2 kg Drums Plastic 15 kg steel (1A1, 1A2) 400 kg Metal 20 kg aluminium (1B1, 1B2) 400 kg other metal (1N1, 1N2) 400 kg Inner packagings shall be hermetically plastics (1H1, 1H2) 400 kg sealed (e.g. by taping or by threaded plywood (1D) 400 kg closures). fibre (1G) 400 kg Boxes steel (4A) 400 kg aluminium (4B) 400 kg other metal (4N) 400 kg natural wood (4C1) 250 kg natural wood with sift-proof walls 250 kg (4C2) plywood (4D) 250 kg reconstituted wood (4F) 125 kg fibreboard (4G) 125 kg expanded plastics (4H1) 60 kg solid plastics (4H2) 250 kg Jerricans steel (3A1, 3A2) 120 kg aluminium (3B1, 3B2) 120 kg plastics (3H1, 3H2) 120 kg Single packagings Drums steel (1A1, 1A2) 250 kg aluminium (1B1, 1B2) 250 kg metal other than steel or aluminium (1N1, 1N2) 250 kg plastics (1H1, 1H2) 250 kg Jerricans steel (3A1, 3A2) 120 kg aluminium (3B1, 3B2) 120 kg plastics (3H1, 3H2) 120 kg Composite packagings Plastics receptacle in steel or aluminium drum (6HA1 or 6HB1) 250 kg Plastics receptacle in fibre, plastics or plywood drum (6HG1, 6HH1 or 6HD1) 75 kg Plastics receptacle in steel, aluminium, wood, plywood, fibreboard or solid 75 kg plastics box (6HA2, 6HB2, 6HC, 6HD2, 6HG2 or 6HH2) Pressure receptacles, provided that the general provisions of 4.1.3.6 are met Special packing provisions: PP31 For UN Nos. 1360, 1397, 1402, 1404, 1407, 1409, 1410, 1413, 1414, 1415, 1418, 1419, 1423, 1426, 1427, 1428, 1432, 1433, 1436, 1714, 1870, 2010, 2011, 2012, 2013, 2257, 2463, 2806, 2813, 3131, 3132, 3134, 3135, 3208, 3209, 3395, 3396, 3397, 3401, 3402, 3403 and 3404, packagings shall be hermetically sealed. PP83 Deleted

IMDG Code 42-24 · English source text

Special packing provisions

PP31

Applies under P403

Source pages and references

Check original English pages and footnotes ↗ · official PDF 202–202

For UN Nos. 1360, 1397, 1402, 1404, 1407, 1409, 1410, 1413, 1414, 1415, 1418, 1419, 1423, 1426, 1427, 1428, 1432, 1433, 1436, 1714, 1870, 2010, 2011, 2012, 2013, 2257, 2463, 2806, 2813, 3131, 3132, 3134, 3135, 3208, 3209, 3395, 3396, 3397, 3401, 3402, 3403 and 3404, packagings shall be hermetically sealed.

IMDG Code 42-24 · English source text

Handling provisions

Segregation groups

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. Other entries may have different subsidiary risks or quantity limits; check their individual fields above. Confirm the cargo classification and any conditions in the special provisions.

Dangerous when wet 4.3
Dangerous when wet 4.3
Spontaneously combustible 4.2
Spontaneously combustible 4.2

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