IMO Compatibility Chart

Material Name	Corrosives 8.0
IMO Class	8.0
1.3G	x
1.4G|1.4S	x
2.1	x
2.2	✔
2.3	✔
3.0	✔
4.1	x
4.2	x
4.3	x
5.1	x
5.2	x
6.1	✔
8.0	✔
9.0	✔

Material Name	Dangerous When Wet 4.3
IMO Class	4.3
1.3G	x
1.4G|1.4S	x
2.1	✔
2.2	✔
2.3	✔
3.0	x
4.1	✔
4.2	x
4.3	✔
5.1	x
5.2	x
6.1	✔
8.0	x
9.0	✔

Material Name	Explosive 1.3G
IMO Class	1.3G
1.3G	✔
1.4G|1.4S	✔
2.1	x
2.2	x
2.3	x
3.0	x
4.1	x
4.2	x
4.3	x
5.1	x
5.2	x
6.1	x
8.0	x
9.0	✔

Material Name	Explosive 1.4G|1.4S
IMO Class	1.4G|1.4S
1.3G	✔
1.4G|1.4S	✔
2.1	x
2.2	x
2.3	x
3.0	x
4.1	x
4.2	x
4.3	x
5.1	x
5.2	x
6.1	✔
8.0	x
9.0	✔

Material Name	Flammable Gases 2.1
IMO Class	2.1
1.3G	x
1.4G|1.4S	x
2.1	✔
2.2	✔
2.3	✔
3.0	x
4.1	x
4.2	x
4.3	✔
5.1	x
5.2	x
6.1	✔
8.0	x
9.0	✔

Material Name	Flammable Liquids 3.0
IMO Class	3.0
1.3G	x
1.4G|1.4S	x
2.1	x
2.2	x
2.3	x
3.0	✔
4.1	✔
4.2	x
4.3	x
5.1	x
5.2	x
6.1	✔
8.0	✔
9.0	✔

Material Name	Flammable Solids 4.1
IMO Class	4.1
1.3G	x
1.4G|1.4S	x
2.1	x
2.2	✔
2.3	✔
3.0	✔
4.1	✔
4.2	x
4.3	✔
5.1	x
5.2	x
6.1	✔
8.0	x
9.0	✔

Material Name	Miscellaneous Dangerous Substa 9.0
IMO Class	9.0
1.3G	✔
1.4G|1.4S	✔
2.1	✔
2.2	✔
2.3	✔
3.0	✔
4.1	✔
4.2	✔
4.3	✔
5.1	✔
5.2	✔
6.1	✔
8.0	✔
9.0	✔

Material Name	Non-Flammable Gases 2.2
IMO Class	2.2
1.3G	x
1.4G|1.4S	x
2.1	✔
2.2	✔
2.3	✔
3.0	x
4.1	✔
4.2	x
4.3	✔
5.1	✔
5.2	x
6.1	✔
8.0	✔
9.0	✔

Material Name	Organic Peroxides 5.2
IMO Class	5.2
1.3G	x
1.4G|1.4S	x
2.1	x
2.2	x
2.3	x
3.0	x
4.1	x
4.2	x
4.3	x
5.1	x
5.2	✔
6.1	x
8.0	x
9.0	✔

Material Name	Oxidizers 5.1
IMO Class	5.1
1.3G	x
1.4G|1.4S	x
2.1	x
2.2	✔
2.3	✔
3.0	x
4.1	x
4.2	x
4.3	x
5.1	✔
5.2	x
6.1	x
8.0	x
9.0	✔

Material Name	Poison Gases 2.3
IMO Class	2.3
1.3G	x
1.4G|1.4S	x
2.1	✔
2.2	✔
2.3	✔
3.0	x
4.1	✔
4.2	x
4.3	✔
5.1	✔
5.2	x
6.1	✔
8.0	✔
9.0	✔

Material Name	Spontaneous Combustible 4.2
IMO Class	4.2
1.3G	x
1.4G|1.4S	x
2.1	x
2.2	x
2.3	x
3.0	x
4.1	x
4.2	✔
4.3	x
5.1	x
5.2	x
6.1	x
8.0	x
9.0	✔

Material Name	Toxic Substances (Poisons) 6.1
IMO Class	6.1
1.3G	x
1.4G|1.4S	✔
2.1	✔
2.2	✔
2.3	✔
3.0	✔
4.1	✔
4.2	x
4.3	✔
5.1	x
5.2	x
6.1	✔
8.0	✔
9.0	✔