UN 2037 has 9 classification variants in ADR 2025 — different hazard divisions or descriptions for the same UN number. Each variant may have different transport requirements.
Variant 1 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
3
For 1,000-point rule
Tunnel Code
(E)
Tunnel restriction
Hazard Labels Required
Label 2.2
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 191SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
3
0=highest, 4=lowest restriction
Tunnel Restriction
(E)
Code governing tunnel passage
Variant 2 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
2
For 1,000-point rule
Tunnel Code
(D)
Tunnel restriction
Hazard Labels Required
Label 2.1
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 191SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
2
0=highest, 4=lowest restriction
Tunnel Restriction
(D)
Code governing tunnel passage
Variant 3 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
3
For 1,000-point rule
Tunnel Code
(E)
Tunnel restriction
Hazard Labels Required
Label 2.2Label 5.1
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 191SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
3
0=highest, 4=lowest restriction
Tunnel Restriction
(E)
Code governing tunnel passage
Variant 4 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
1
For 1,000-point rule
Tunnel Code
(D)
Tunnel restriction
Hazard Labels Required
Label 2.3
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
1
0=highest, 4=lowest restriction
Tunnel Restriction
(D)
Code governing tunnel passage
Variant 5 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
1
For 1,000-point rule
Tunnel Code
(D)
Tunnel restriction
Hazard Labels Required
Label 2.3Label 8
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
1
0=highest, 4=lowest restriction
Tunnel Restriction
(D)
Code governing tunnel passage
Variant 6 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
1
For 1,000-point rule
Tunnel Code
(D)
Tunnel restriction
Hazard Labels Required
Label 2.3Label 2.1
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
1
0=highest, 4=lowest restriction
Tunnel Restriction
(D)
Code governing tunnel passage
Variant 7 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
1
For 1,000-point rule
Tunnel Code
(D)
Tunnel restriction
Hazard Labels Required
Label 2.3Label 2.1Label 8
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
1
0=highest, 4=lowest restriction
Tunnel Restriction
(D)
Code governing tunnel passage
Variant 8 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
1
For 1,000-point rule
Tunnel Code
(D)
Tunnel restriction
Hazard Labels Required
Label 2.3Label 5.1
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
1
0=highest, 4=lowest restriction
Tunnel Restriction
(D)
Code governing tunnel passage
Variant 9 of 9
RECEPTACLES, SMALL, CONTAINING GAS (GAS CARTRIDGES) without a release device, non-refillable
Packing Group
N/A
Not applicable
Hazard ID No.
—
Kemler code
Transport Category
1
For 1,000-point rule
Tunnel Code
(D)
Tunnel restriction
Hazard Labels Required
Label 2.3Label 5.1Label 8
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 303SP 327SP 344
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Quantity Limits & Transport
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Transport Category
1
0=highest, 4=lowest restriction
Tunnel Restriction
(D)
Code governing tunnel passage
Check if UN 2037 qualifies for 1.1.3.6 exemption
Calculate small load points and check exemption thresholds
📅Data: UNECE ADR 2025, licensed from Labeline.com. Last verified May 2026
ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.
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