UN 1950

AEROSOLS, asphyxiant

Class 2 — Gases12 variants
UN 1950 has 12 classification variants in ADR 2025 — different hazard divisions or descriptions for the same UN number. Each variant may have different transport requirements.
UN 1950Class 2 — GasesVariant 1 of 12
AEROSOLS, asphyxiant
Packing Group
N/A
Not applicable
Classification Code
5A
Tunnel Code
(E)
Code governing tunnel passage
Transport Category
3
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 2 of 12
AEROSOLS, corrosive
Packing Group
N/A
Not applicable
Classification Code
5C
Tunnel Code
(E)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2Label 8

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 3 of 12
AEROSOLS, corrosive, oxidizing
Packing Group
N/A
Not applicable
Classification Code
5CO
Tunnel Code
(E)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2Label 5.1Label 8

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 4 of 12
AEROSOLS, flammable
Packing Group
N/A
Not applicable
Classification Code
5F
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
2
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.1

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 5 of 12
AEROSOLS, flammable, corrosive
Packing Group
N/A
Not applicable
Classification Code
5FC
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.1Label 8

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 6 of 12
AEROSOLS, oxidizing
Packing Group
N/A
Not applicable
Classification Code
5O
Tunnel Code
(E)
Code governing tunnel passage
Transport Category
3
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
1 L
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
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 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 7 of 12
AEROSOLS, toxic
Packing Group
N/A
Not applicable
Classification Code
5T
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2Label 6.1

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 8 of 12
AEROSOLS, toxic, corrosive
Packing Group
N/A
Not applicable
Classification Code
5TC
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2Label 6.1Label 8

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 9 of 12
AEROSOLS, toxic, flammable
Packing Group
N/A
Not applicable
Classification Code
5TF
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.1Label 6.1

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 10 of 12
AEROSOLS, toxic, flammable, corrosive
Packing Group
N/A
Not applicable
Classification Code
5TFC
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.1Label 6.1Label 8

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 11 of 12
AEROSOLS, toxic, oxidizing
Packing Group
N/A
Not applicable
Classification Code
5TO
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2Label 5.1Label 6.1

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

UN 1950Class 2 — GasesVariant 12 of 12
AEROSOLS, toxic, oxidizing, corrosive
Packing Group
N/A
Not applicable
Classification Code
5TOC
Tunnel Code
(D)
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
—
Kemler code
Limited Quantity
120 ml
Max per inner package for LQ relief
Excepted Quantity
E0
EQ code for excepted quantity relief
Hazard Labels Required
Label 2.2Label 5.1Label 6.1Label 8

These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.

Special Provisions
SP 190SP 327SP 344SP 625

Refer to ADR 2025 Chapter 3.3 for full text of each provision.

Check if UN 1950 qualifies for 1.1.3.6 exemption
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Other Gases (Class 2)

UN 1001
ACETYLENE, DISSOLVED
UN 1002
AIR, COMPRESSED
UN 1003
AIR, REFRIGERATED LIQUID
UN 1005
AMMONIA, ANHYDROUS
UN 1006
ARGON, COMPRESSED
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📅Data: UNECE ADR 2025 (ECE/TRANS/352), via EU Directive 2008/68/EC. Last verified July 2026

ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.

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