Class 2 Gases

Criteria

The heading of Class 2 covers pure gases, mixtures of gases, mixtures of one or more gases with one
or more other substances and articles containing such substances.
A gas is a substance which:
(a) at 50 °C has a vapour pressure greater than 300 kPa (3 bar); or
(b) is completely gaseous at 20 °C at the standard pressure of 101.3 kPa.
NOTE 1: UN No. 1052 HYDROGEN FLUORIDE, ANHYDROUS is nevertheless classified in
Class 8.
NOTE 2: A pure gas may contain other components deriving from its production process or added to
preserve the stability of the product, provided that the level of these components does not change its
classification or its conditions of carriage, such as filling ratio, filling pressure, test pressure.
NOTE 3: N.O.S. entries in 2.2.2.3 may cover pure gases as well as mixtures.

The substances and articles of Class 2 are subdivided as follows:
1. Compressed gas: a gas which when packaged under pressure for carriage is entirely gaseous at
-50 °C; this category includes all gases with a critical temperature less than or equal to -50 °C;
2. Liquefied gas: a gas which when packaged under pressure for carriage is partially liquid at
temperatures above -50 °C. A distinction is made between:
High pressure liquefied gas: a gas with a critical temperature above -50 °C and equal to
or below +65 °C; and
Low pressure liquefied gas: a gas with a critical temperature above +65 °C;
3. Refrigerated liquefied gas: a gas which when packaged for carriage is made partially liquid
because of its low temperature;
4. Dissolved gas: a gas which when packaged under pressure for carriage is dissolved in a liquid
phase solvent;
5. Aerosol dispensers and receptacles, small, containing gas (gas cartridges);
6. Other articles containing gas under pressure;
7. Non-pressurized gases subject to special requirements (gas samples);
8. Chemicals under pressure: liquids, pastes or powders, pressurized with a propellant that meets
the definition of a compressed or liquefied gas and mixtures thereof.
9. Adsorbed gas: a gas which when packaged for carriage is adsorbed onto a solid porous
material resulting in an internal receptacle pressure of less than 101.3 kPa at 20 °C and less
than 300 kPa at 50 °C.

Substances and articles (except aerosols and chemicals under pressure) of Class 2 are assigned to one
of the following groups according to their hazardous properties, as follows:
A asphyxiant;
O oxidizing;
F flammable;
T toxic;
TF toxic, flammable;
TC toxic, corrosive;
TO toxic, oxidizing;
TFC toxic, flammable, corrosive;
TOC toxic, oxidizing, corrosive.
For gases and gas mixtures presenting hazardous properties associated with more than one group
according to the criteria, the groups designated by letter T take precedence over all other groups. The
groups designated by letter F take precedence over the groups designated by letters A or O.
NOTE 1: In the UN Model Regulations, the IMDG Code and the ICAO Technical Instructions, gases
are assigned to one of the following three divisions, based on the primary hazard:
Division 2.1: flammable gases (corresponding to the groups designated by the capital letter F);
Division 2.2: non-flammable, non-toxic gases (corresponding to the groups designated by the
capital letters A or O);
Division 2.3: toxic gases (corresponding to the groups designated by the capital letter T i.e. T, TF,
TC, TO, TFC and TOC).
NOTE 2: Receptacles, small containing gas (UN No. 2037) shall be assigned to the groups A to TOC
according to the hazard of the contents. For aerosols (UN No. 1950), see 2.2.2.1.6. For chemicals
under pressure (UN Nos. 3500 to 3505), see 2.2.2.1.7.
NOTE 3: Corrosive gases are considered to be toxic, and are therefore assigned to the group TC,
TFC or TOC.

 

If a mixture of Class 2 mentioned by name in Table A of Chapter 3.2 meets different criteria as
mentioned in 2.2.2.1.2 and 2.2.2.1.5, this mixture shall be classified according to the criteria and
assigned to an appropriate N.O.S. entry.

Substances and articles (except aerosols and chemicals under pressure) of Class 2 which are not
mentioned by name in Table A of Chapter 3.2 shall be classified under a collective entry listed in
2.2.2.3 in accordance with 2.2.2.1.2 and 2.2.2.1.3. The following criteria shall apply:
Asphyxiant gases
Gases which are non-oxidizing, non-flammable and non-toxic and which dilute or replace oxygen
normally in the atmosphere.
Flammable gases
Gases which at 20 °C and a standard pressure of 101.3 kPa:
(a) are ignitable when in a mixture of 13% or less by volume with air; or
(b) have a flammable range with air of at least 12 percentage points regardless of the lower
flammable limit.
Flammability shall be determined by tests or by calculation, in accordance with methods adopted by
ISO (see ISO 10156:2010).
Where insufficient data are available to use these methods, tests by a comparable method recognized
by the competent authority of the country of origin may be used.
If the country of origin is not a Contracting Party to ADR these methods shall be recognized by the
competent authority of the first country Contracting Party to ADR reached by the consignment.
Oxidizing gases
Gases, which may, generally by providing oxygen, cause or contribute to the combustion of other
material more than air does. These are pure gases or gas mixtures with an oxidizing power greater
than 23.5% as determined by a method specified in ISO 10156:2010.
Toxic gases
NOTE: Gases meeting the criteria for toxicity in part or completely owing to their corrosivity are to
be classified as toxic. See also the criteria under the heading "Corrosive gases" for a possible
subsidiary corrosivity risk.
Gases which:
(a) are known to be so toxic or corrosive to humans as to pose a hazard to health; or
(b) are presumed to be toxic or corrosive to humans because they have a LC50 value for acute
toxicity equal to or less than 5 000 ml/m³ (ppm) when tested in accordance with 2.2.61.1.
In the case of gas mixtures (including vapours of substances from other classes) the following formula
may be used:
 
where fi = mole fraction of the ith component substance of the mixture;
Ti = toxicity index of the ith component substance of the mixture.
The Ti equals the LC50 value as found in packing instruction P200 of
4.1.4.1.
When no LC50 value is listed in packing instruction P200 of 4.1.4.1, a
LC50 value available in scientific literature shall be used.
When the LC50 value is unknown, the toxicity index is determined by
using the lowest LC50 value of substances of similar physiological and
chemical effects, or through testing if this is the only practical possibility.
Corrosive gases
Gases or gas mixtures meeting the criteria for toxicity completely owing to their corrosivity are to be
classified as toxic with a subsidiary corrosivity risk.
A gas mixture that is considered to be toxic due to the combined effects of corrosivity and toxicity has
a subsidiary risk of corrosivity when the mixture is known by human experience to be destructive to
the skin, eyes or mucous membranes or when the LC50 value of the corrosive components of the
mixture is equal to or less than 5 000 ml/m3 (ppm) when the LC50 is calculated by the formula:
 
 
 
where fci = mole fraction of the ith corrosive component substance of the mixture;
Tci = toxicity index of the ith corrosive component substance of the mixture.
The Tci equals the LC50 value as found in packing instruction P200 of
4.1.4.1.
When no LC50 value is listed in packing instruction P200 of 4.1.4.1, a
LC50 value available in scientific literature shall be used.
When the LC50 value is unknown the toxicity index is determined by
using the lowest LC50 value of substances of similar physiological and
chemical effects, or through testing if this is the only practical possibility.
 
 
 
 

 

Aerosols

Aerosols (UN No. 1950) are assigned to one of the following groups according to their hazardous
properties, as follows:
A asphyxiant;
O oxidizing;
F flammable;
T toxic;
C corrosive;
CO corrosive, oxidizing;
FC flammable, corrosive;
TF toxic, flammable;
TC toxic, corrosive;
TO toxic, oxidizing;
TFC toxic, flammable, corrosive;
TOC toxic, oxidizing, corrosive.
The classification depends on the nature of the contents of the aerosol dispenser.
NOTE: Gases, which meet the definition of toxic gases according to 2.2.2.1.5 and gases identified as
"Considered as pyrophoric" by table note c of Table 2 of packing instruction P200 in 4.1.4.1, shall
not be used as a propellant in an aerosol dispenser. Aerosols with contents meeting the criteria for
packing group I for toxicity or corrosivity shall not be accepted for carriage (see also 2.2.2.2.2).
The following criteria shall apply:
(a) Assignment to group A shall apply when the contents do not meet the criteria for any other
group according to sub-paragraphs (b) to (f) below;
(b) Assignment to group O shall apply when the aerosol contains an oxidizing gas according to
2.2.2.1.5;
(c) Assignment to group F shall apply if the contents include 85% by mass or more flammable
components and the chemical heat of combustion is 30 kJ/g or more.
It shall not apply if the contents contain 1% by mass or less flammable components and the
heat of combustion is less than 20 kJ/g.
Otherwise the aerosol shall be tested for flammability in accordance with the tests described in
the Manual of Tests and Criteria, Part III, section 31. Extremely flammable and flammable
aerosols shall be assigned to group F;
NOTE: Flammable components are flammable liquids, flammable solids or flammable
gases and gas mixtures as defined in Notes 1 to 3 of sub-section 31.1.3 of Part III of the
Manual of Tests and Criteria. This designation does not cover pyrophoric, self-heating or
water-reactive substances. The chemical heat of combustion shall be determined by one of the
following methods ASTM D 240, ISO/FDIS 13943:1999 (E/F) 86.1 to 86.3 or NFPA 30B.
(d) Assignment to group T shall apply when the contents, other than the propellant of aerosol
dispensers to be ejected, are classified as Class 6.1, packing groups II or III;
(e) Assignment to group C shall apply when the contents, other than the propellant of aerosol
dispensers to be ejected, meet the criteria for Class 8, packing groups II or III;
(f) When the criteria for more than one group amongst groups O, F, T, and C are met, assignment
to groups CO, FC, TF, TC TO, TFC or TOC shall apply, as relevant.
 

Chemicals under pressure

Chemicals under pressure (UN Nos. 3500 to 3505) are assigned to one of the following
groups according to their hazardous properties, as follows:
A asphyxiant;
F flammable;
T toxic;
C corrosive;
FC flammable, corrosive;
TF toxic, flammable.
The classification depends on the hazard characteristics of the components in the
different states:
The propellant;
The liquid; or
The solid.
NOTE 1: Gases, which meet the definition of toxic gases or of oxidizing gases according to 2.2.2.1.5
or gases identified as "Considered as pyrophoric" by table note c of Table 2 of packing instruction
P200 in 4.1.4.1, shall not be used as a propellant in chemicals under pressure.
NOTE 2: Chemicals under pressure with contents meeting the criteria for packing group I for toxicity
or corrosivity or with contents meeting both the criteria for packing group II or III for toxicity and for
packing group II or III for corrosivity shall not be accepted for carriage under these UN numbers.
NOTE 3: Chemicals under pressure with components meeting the properties of Class 1; liquid
desensitized explosives of Class 3; self-reactive substances and solid desensitized explosives of Class
4.1; Class 4.2; Class 4.3; Class 5.1; Class 5.2; Class 6.2; or Class 7, shall not be used for carriage
under these UN numbers.
NOTE 4: A chemical under pressure in an aerosol dispenser shall be carried under UN No. 1950.
The following criteria shall apply:
(a) Assignment to group A shall apply when the contents do not meet the criteria for any other
group according to sub-paragraphs (b) to (e) below
(b) Assignment to group F shall apply if one of the components, which can be a pure substance or
a mixture, needs to be classified as flammable. Flammable components are flammable liquids
and liquid mixtures, flammable solids and solid mixtures or flammable gases and gas mixtures
meeting the following criteria:
(i) A flammable liquid is a liquid having a flashpoint of not more than 93 °C;
(ii) A flammable solid is a solid which meets the criteria in 2.2.41.1;
(iii) A flammable gas is a gas which meets the criteria in 2.2.2.1.5;
(c) Assignment to group T shall apply when the contents, other than the propellant, are classified
as dangerous goods of Class 6.1, packing groups II or III;
(d) Assignment to group C shall apply when the contents, other than the propellant, are classified
as dangerous goods of Class 8, packing groups II or III;
(e) When the criteria for two groups amongst groups F, T, and C are met, assignment to groups
FC or TF shall apply, as relevant.
 

Gases not accepted for carriage

Chemically unstable gases of Class 2 shall not be accepted for carriage unless the necessary
precautions have been taken to prevent the possibility of a dangerous decomposition or
polymerization under normal conditions of carriage or unless carried in accordance with special
packing provision (r) of packing instruction P200 (10) of 4.1.4.1, as applicable. For the precautions
necessary to prevent polymerization, see special provision 386 of Chapter 3.3. To this end particular
care shall be taken to ensure that receptacles and tanks do not contain any substances liable to
promote these reactions.

The following substances and mixtures shall not be accepted for carriage:
- UN No. 2186 HYDROGEN CHLORIDE, REFRIGERATED LIQUID;
- UN No. 2421 NITROGEN TRIOXIDE;
- UN No. 2455 METHYL NITRITE;
- Refrigerated liquefied gases which cannot be assigned to classification codes 3A, 3O or 3F;
- Dissolved gases which cannot be classified under UN Nos. 1001, 2073 or 3318;
- Aerosols where gases which are toxic according to 2.2.2.1.5 or pyrophoric according to
packing instruction P200 in 4.1.4.1 are used as propellants;
- Aerosols with contents meeting the criteria for packing group I for toxicity or corrosivity (see
2.2.61 and 2.2.8);
- Receptacles, small, containing gases which are very toxic (LC50 lower than 200 ppm) or
pyrophoric according to packing instruction P200 in 4.1.4.1.

List of collective entries

Compressed gases

Classification code

UN

No.

Name of the substance or article

1A

1956

COMPRESSED GAS, N.O.S.

1O

3156

COMPRESSED GAS, OXIDIZING, N.O.S.

1F

1964

HYDROCARBON GAS MIXTURE, COMPRESSED, N.O.S.

1954

COMPRESSED GAS, FLAMMABLE, N.O.S.

1T

1955

COMPRESSED GAS, TOXIC, N.O.S.

1TF

1953

COMPRESSED GAS, TOXIC, FLAMMABLE, N.O.S.

1TC

3304

COMPRESSED GAS, TOXIC, CORROSIVE, N.O.S.

1TO

3303

COMPRESSED GAS, TOXIC, OXIDIZING, N.O.S.

1TFC

3305

COMPRESSED GAS, TOXIC, FLAMMABLE, CORROSIVE, N.O.S.

1TOC

3306

COMPRESSED GAS, TOXIC, OXIDIZING, CORROSIVE, N.O.S.

 

Liquefied gases

Classification code

UN

No.

Name of the substance or article

2A

1058

LIQUEFIED GASES, non-flammable, charged with nitrogen, carbon dioxide or air

1078

REFRIGERANT GAS, N.O.S.

 

such as mixtures of gases, indicated by the letter R..., which as:

 

Mixture F1, have a vapour pressure at 70 °C not exceeding 1.3 MPa (13 bar) and a density at 50 °C not lower than that of dichlorofluoromethane (1.30 kg/l);

 

Mixture F2, have a vapour pressure at 70 °C not exceeding 1.9 MPa (19 bar) and a density at 50 °C not lower than that of dichlorodifluoromethane (1.21 kg/l);

 

Mixture F3, have a vapour pressure at 70 °C not exceeding 3 MPa (30 bar) and a density at 50 °C not lower than that of chlorodifluoromethane (1.09 kg/l).

 

NOTE: Trichlorofluoromethane (Refrigerant R 11), 1,1,2-trichloro-1,2,2- trifluoroethane (Refrigerant R 113), 1,1,1-trichloro-2,2,2-trifluoroethane (Refrigerant R 113a), 1-chloro-1,2,2-trifluoroethane (Refrigerant R 133) and 1-chloro-1,1,2- trifluoroethane (Refrigerant R 133b) are not substances of Class 2. They may, however, enter into the composition of mixtures F1 to F3.

1968

INSECTICIDE GAS, N.O.S.

3163

LIQUEFIED GAS, N.O.S.

2O

3157

LIQUEFIED GAS, OXIDIZING, N.O.S.

2F

1010

BUTADIENES AND HYDROCARBON MIXTURE, STABILIZED, having a vapour

pressure at 70 °C not exceeding 1.1 MPa (11 bar) and a density at 50 °C not lower than

0.525 kg/l.

NOTE: Butadienes, stabilized are also classified under UN No. 1010, see Table A of Chapter 3.2.

1060

METHYLACETYLENE AND PROPADIENE MIXTURE, STABILIZED

such as mixtures of methylacetylene and propadiene with hydrocarbons, which as: Mixture P1, contain not more than 63% methylacetylene and propadiene by volume and not more than 24% propane and propylene by volume, the percentage of C4- saturated

hydrocarbons being not less than 14% by volume; and as

Mixture P2, contain not more than 48% methylacetylene and propadiene by volume and not more than 50% propane and propylene by volume, the percentage of C4- saturated hydrocarbons being not less than 5% by volume,

as well as mixtures of propadiene with 1 to 4% methylacetylene.

Liquefied gases (cont'd)

Classification code

UN

No.

Name of the substance or article

2F

(cont'd)

1965

HYDROCARBON GAS MIXTURE, LIQUEFIED, N.O.S

such as mixtures, which as:

 

Mixture A, have a vapour pressure at 70 °C not exceeding 1.1 MPa (11 bar) and a density at 50 °C not lower than 0.525 kg/l;

 

Mixture A01, have a vapour pressure at 70 °C not exceeding 1.6 MPa (16 bar) and a relative density at 50 °C not lower than 0.516 kg/l;

 

Mixture A02, have a vapour pressure at 70 °C not exceeding 1.6 MPa (16 bar) and a relative density at 50 °C not lower than 0.505 kg/l;

 

Mixture A0, have a vapour pressure at 70 °C not exceeding 1.6 MPa (16 bar) and a density at 50 °C not lower than 0.495 kg/l;

 

Mixture A1, have a vapour pressure at 70 °C not exceeding 2.1 MPa (21 bar) and a density at 50 °C not lower than 0.485 kg/l;

 

Mixture B1 have a vapour pressure at 70 °C not exceeding 2.6 MPa (26 bar) and a relative density at 50 °C not lower than 0.474 kg/l;

 

Mixture B2 have a vapour pressure at 70 °C not exceeding 2.6 MPa (26 bar) and a relative density at 50 °C not lower than 0.463 kg/l;

 

Mixture B, have a vapour pressure at 70 °C not exceeding 2.6 MPa (26 bar) and a density at 50 °C not lower than 0.450 kg/l;

 

Mixture C, have a vapour pressure at 70 °C not exceeding 3.1 MPa (31 bar) and a relative density at 50 °C not lower than 0.440 kg/l;

 

NOTE 1: In the case of the foregoing mixtures, the use of the following names customary in the trade is permitted for describing these substances: for mixtures A, A01, A02 and A0: BUTANE; for mixture C: PROPANE.

 

NOTE 2: UN No. 1075 PETROLEUM GASES, LIQUEFIED may be used as an

alternative entry for UN No. 1965 HYDROCARBON GAS MIXTURE LIQUEFIED,

N.O.S. for carriage prior to or following maritime or air carriage.

3354

INSECTICIDE GAS, FLAMMABLE, N.O.S.

3161

LIQUEFIED GAS, FLAMMABLE, N.O.S.

2T

1967

INSECTICIDE GAS, TOXIC, N.O.S.

3162

LIQUEFIED GAS, TOXIC, N.O.S.

2TF

3355

INSECTICIDE GAS, TOXIC, FLAMMABLE, N.O.S.

3160

LIQUEFIED GAS, TOXIC, FLAMMABLE, N.O.S.

2TC

3308

LIQUEFIED GAS, TOXIC, CORROSIVE, N.O.S.

2TO

3307

LIQUEFIED GAS, TOXIC, OXIDIZING, N.O.S.

2TFC

3309

LIQUEFIED GAS, TOXIC, FLAMMABLE, CORROSIVE, N.O.S.

2TOC

3310

LIQUEFIED GAS, TOXIC, OXIDIZING, CORROSIVE, N.O.S.

Liquefied gases (cont'd)

Classification code

UN

No.

Name of the substance or article

2F

(cont'd)

1965

HYDROCARBON GAS MIXTURE, LIQUEFIED, N.O.S

such as mixtures, which as:

 

Mixture A, have a vapour pressure at 70 °C not exceeding 1.1 MPa (11 bar) and a density at 50 °C not lower than 0.525 kg/l;

 

Mixture A01, have a vapour pressure at 70 °C not exceeding 1.6 MPa (16 bar) and a relative density at 50 °C not lower than 0.516 kg/l;

 

Mixture A02, have a vapour pressure at 70 °C not exceeding 1.6 MPa (16 bar) and a relative density at 50 °C not lower than 0.505 kg/l;

 

Mixture A0, have a vapour pressure at 70 °C not exceeding 1.6 MPa (16 bar) and a density at 50 °C not lower than 0.495 kg/l;

 

Mixture A1, have a vapour pressure at 70 °C not exceeding 2.1 MPa (21 bar) and a density at 50 °C not lower than 0.485 kg/l;

 

Mixture B1 have a vapour pressure at 70 °C not exceeding 2.6 MPa (26 bar) and a relative density at 50 °C not lower than 0.474 kg/l;

 

Mixture B2 have a vapour pressure at 70 °C not exceeding 2.6 MPa (26 bar) and a relative density at 50 °C not lower than 0.463 kg/l;

 

Mixture B, have a vapour pressure at 70 °C not exceeding 2.6 MPa (26 bar) and a density at 50 °C not lower than 0.450 kg/l;

 

Mixture C, have a vapour pressure at 70 °C not exceeding 3.1 MPa (31 bar) and a relative density at 50 °C not lower than 0.440 kg/l;

 

NOTE 1: In the case of the foregoing mixtures, the use of the following names customary in the trade is permitted for describing these substances: for mixtures A, A01, A02 and A0: BUTANE; for mixture C: PROPANE.

 

NOTE 2: UN No. 1075 PETROLEUM GASES, LIQUEFIED may be used as an

alternative entry for UN No. 1965 HYDROCARBON GAS MIXTURE LIQUEFIED,

N.O.S. for carriage prior to or following maritime or air carriage.

3354

INSECTICIDE GAS, FLAMMABLE, N.O.S.

3161

LIQUEFIED GAS, FLAMMABLE, N.O.S.

2T

1967

INSECTICIDE GAS, TOXIC, N.O.S.

3162

LIQUEFIED GAS, TOXIC, N.O.S.

2TF

3355

INSECTICIDE GAS, TOXIC, FLAMMABLE, N.O.S.

3160

LIQUEFIED GAS, TOXIC, FLAMMABLE, N.O.S.

2TC

3308

LIQUEFIED GAS, TOXIC, CORROSIVE, N.O.S.

2TO

3307

LIQUEFIED GAS, TOXIC, OXIDIZING, N.O.S.

2TFC

3309

LIQUEFIED GAS, TOXIC, FLAMMABLE, CORROSIVE, N.O.S.

2TOC

3310

LIQUEFIED GAS, TOXIC, OXIDIZING, CORROSIVE, N.O.S.

 

Refrigerated liquefied gases

Classification code

UN

No.

Name of the substance or article

3A

3158

GAS, REFRIGERATED LIQUID, N.O.S.

3O

3311

GAS, REFRIGERATED LIQUID, OXIDIZING, N.O.S.

3F

3312

GAS, REFRIGERATED LIQUID, FLAMMABLE, N.O.S.

 

Dissolved gases

Classification code

UN

No.

Name of the substance or article

4

Only substances listed in Table A of Chapter 3.2 are to be accepted for carriage.

Aerosols and receptacles, small, containing gas

 

Classification code

UN

No.

Name of the substance or article

5

1950

AEROSOLS

2037

RECEPTACLES, SMALL CONTAINING GAS (GAS CARTRIDGES) without a

release device, non-refillable

 

Other articles containing gas under pressure

Classification code

UN

No.

 

Name of the substance or article

 

6A

2857

REFRIGERATING MACHINES containing non-flammable, non-toxic gases or ammonia solutions (UN 2672)

 

3164

ARTICLES, PRESSURIZED, PNEUMATIC (containing non-flammable gas) or

 

3164

ARTICLES, PRESSURIZED, HYDRAULIC (containing non-flammable gas)

 

6F

3150

DEVICES, SMALL, HYDROCARBON GAS POWERED or

 

3150

HYDROCARBON GAS REFILLS FOR SMALL DEVICES, with release device

 

3478

FUEL CELL CARTRIDGES, containing liquefied flammable gas or

 

3478

FUEL CELL CARTRIDGES CONTAINED IN EQUIPMENT, containing liquefied flammable gas or

 

3478

FUEL CELL CARTRIDGES PACKED WITH EQUIPMENT, containing liquefied flammable gas

 

3479

FUEL CELL CARTRIDGES, containing hydrogen in metal hydride or

 

3479

FUEL CELL CARTRIDGES CONTAINED IN EQUIPMENT, containing hydrogen in metal hydride or

3479

FUEL CELL CARTRIDGES PACKED WITH EQUIPMENT, containing hydrogen in metal hydride

3529

ENGINE, INTERNAL COMBUSTION, FLAMMABLE GAS POWERED or

 

3529

ENGINE, FUEL CELL, FLAMMABLE GAS POWERED or

 

3529

MACHINERY, INTERNAL COMBUSTION, FLAMMABLE GAS POWERED or

 

3529

MACHINERY, FUEL CELL, FLAMMABLE GAS POWERED

 
 

Gas samples

Classification code

UN

No.

 

Name of the substance or article

 

7F

3167

GAS SAMPLE, NON-PRESSURIZED, FLAMMABLE, N.O.S., not refrigerated liquid

7T

3169

GAS SAMPLE, NON-PRESSURIZED, TOXIC, N.O.S., not refrigerated liquid

 

7TF

3168

GAS SAMPLE, NON-PRESSURIZED, TOXIC, FLAMMABLE, N.O.S., not

refrigerated liquid

 

 

Chemicals under pressure

Classification code

UN

No.

Name of the substance or article

8A

3500

CHEMICAL UNDER PRESSURE, N.O.S.

8F

3501

CHEMICAL UNDER PRESSURE, FLAMMABLE, N.O.S.

8T

3502

CHEMICAL UNDER PRESSURE, TOXIC, N.O.S.

8C

3503

CHEMICAL UNDER PRESSURE, CORROSIVE, N.O.S.

8TF

3504

CHEMICAL UNDER PRESSURE, FLAMMABLE, TOXIC, N.O.S.

8FC

3505

CHEMICAL UNDER PRESSURE, FLAMMABLE, CORROSIVE, N.O.S.

Adsorbed gases

Classification code

UN

No.

Name of the substance or article

9A

3511

ADSORBED GAS, N.O.S.

9O

3513

ADSORBED GAS, OXIDIZING, N.O.S.

9F

3510

ADSORBED GAS, FLAMMABLE, N.O.S.

9T

3512

ADSORBED GAS, TOXIC, N.O.S.

9TF

3514

ADSORBED GAS, TOXIC, FLAMMABLE, N.O.S.

9TC

3516

ADSORBED GAS, TOXIC, CORROSIVE, N.O.S.

9TO

3515

ADSORBED GAS, TOXIC, OXIDIZING, N.O.S.

9TFC

3517

ADSORBED GAS, TOXIC, FLAMMABLE, CORROSIVE, N.O.S.

9TOC

3518

ADSORBED GAS, TOXIC, OXIDIZING, CORROSIVE, N.O.S.

 

Class 3 Flammable liquids

Criteria

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