UN 3139 (variant 1 of 3, packing group I) — ADR 2025 Table A: class 5.1, classification code O1, packing group I, labels 5.1, special provisions 274, limited quantity 0, excepted quantity E0, packing instructions P502, transport category 1, tunnel restriction code (E), hazard identification number —.
UN 3139 (variant 2 of 3, packing group II) — ADR 2025 Table A: class 5.1, classification code O1, packing group II, labels 5.1, special provisions 274, limited quantity 1 L, excepted quantity E2, packing instructions P504 IBC02, transport category 2, tunnel restriction code (E), hazard identification number —.
UN 3139 (variant 3 of 3, packing group III) — ADR 2025 Table A: class 5.1, classification code O1, packing group III, labels 5.1, special provisions 274, limited quantity 5 L, excepted quantity E1, packing instructions P504 IBC02 R001, transport category 3, tunnel restriction code (E), hazard identification number —.
UNECE ADR 2025, ECE/TRANS/352 · checked 2026-10-28
Table A — ADR 2025 (ECE/TRANS/352), UN 3139 — variant 1 of 3, packing group I| (1) UN No. | 3139 |
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| (2) Name and description | OXIDIZING LIQUID, N.O.S. |
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| (3a) Class | 5.1 |
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| (3b) Classification code | O1 |
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| (4) Packing group | I |
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| (5) Labels | 5.1 |
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| (6) Special provisions | 274 |
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| (7a) Limited quantities | 0 |
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| (7b) Excepted quantities | E0 |
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| (8) Packaging: packing instructions | P502 |
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| (9a) Packaging: special packing provisions | — |
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| (9b) Packaging: mixed packing provisions | MP2 |
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| (10) Portable tanks and bulk containers: instructions | — |
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| (11) Portable tanks and bulk containers: special provisions | — |
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| (12) ADR tank: tank code | — |
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| (13) ADR tank: special provisions | — |
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| (14) Vehicle for tank carriage | — |
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| (15) Transport category (Tunnel restriction code) | 1 (E) |
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| (16) Special provisions for carriage: packages | — |
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| (17) Special provisions for carriage: bulk | — |
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| (18) Special provisions for carriage: loading, unloading and handling | CV24 |
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| (19) Special provisions for carriage: operation | S20 |
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| (20) Hazard identification No. | — |
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Table A — ADR 2025 (ECE/TRANS/352), UN 3139 — variant 2 of 3, packing group II| (1) UN No. | 3139 |
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| (2) Name and description | OXIDIZING LIQUID, N.O.S. |
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| (3a) Class | 5.1 |
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| (3b) Classification code | O1 |
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| (4) Packing group | II |
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| (5) Labels | 5.1 |
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| (6) Special provisions | 274 |
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| (7a) Limited quantities | 1 L |
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| (7b) Excepted quantities | E2 |
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| (8) Packaging: packing instructions | P504 IBC02 |
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| (9a) Packaging: special packing provisions | — |
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| (9b) Packaging: mixed packing provisions | MP2 |
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| (10) Portable tanks and bulk containers: instructions | — |
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| (11) Portable tanks and bulk containers: special provisions | — |
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| (12) ADR tank: tank code | — |
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| (13) ADR tank: special provisions | — |
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| (14) Vehicle for tank carriage | — |
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| (15) Transport category (Tunnel restriction code) | 2 (E) |
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| (16) Special provisions for carriage: packages | — |
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| (17) Special provisions for carriage: bulk | — |
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| (18) Special provisions for carriage: loading, unloading and handling | CV24 |
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| (19) Special provisions for carriage: operation | — |
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| (20) Hazard identification No. | — |
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Table A — ADR 2025 (ECE/TRANS/352), UN 3139 — variant 3 of 3, packing group III| (1) UN No. | 3139 |
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| (2) Name and description | OXIDIZING LIQUID, N.O.S. |
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| (3a) Class | 5.1 |
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| (3b) Classification code | O1 |
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| (4) Packing group | III |
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| (5) Labels | 5.1 |
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| (6) Special provisions | 274 |
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| (7a) Limited quantities | 5 L |
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| (7b) Excepted quantities | E1 |
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| (8) Packaging: packing instructions | P504 IBC02 R001 |
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| (9a) Packaging: special packing provisions | — |
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| (9b) Packaging: mixed packing provisions | MP2 |
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| (10) Portable tanks and bulk containers: instructions | — |
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| (11) Portable tanks and bulk containers: special provisions | — |
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| (12) ADR tank: tank code | — |
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| (13) ADR tank: special provisions | — |
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| (14) Vehicle for tank carriage | — |
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| (15) Transport category (Tunnel restriction code) | 3 (E) |
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| (16) Special provisions for carriage: packages | — |
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| (17) Special provisions for carriage: bulk | — |
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| (18) Special provisions for carriage: loading, unloading and handling | CV24 |
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| (19) Special provisions for carriage: operation | — |
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| (20) Hazard identification No. | — |
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ADR 2027 (accepted) — no change for UN 3139
ADR 2027 was accepted: depositary notification C.N.395.2026 (9 October 2026) records no objection to the amendments proposed by C.N.252.2026. It applies from 1 January 2027, and ADR 2025 may still be applied until 30 June 2027 (1.6.1.1). (C.N.395.2026)
ADR 2027: no Table A change for this entry (checked against ECE/TRANS/WP.15/274, Add.1 and Corr.1). Other parts of ADR 2027 may still affect its carriage.
ADR 2025 remains the edition FreightUtils serves and the one that applies until ADR 2027 takes effect on 1 January 2027; after that, ADR 2025 may still be applied until 30 June 2027 (1.6.1.1).
All ADR 2027 Table A changes →Check a list of UN numbers →
In plain words — variant 1 of 3, packing group I
- Tunnels
- Tunnel code (E): in tanks, Prohibited in E; in other carriage, Prohibited in E. Every category except E. (ADR 8.6.4; from the ADR table itself)
- Small-load exemption
- Transport category 1: at most 20 per transport unit under 1.1.3.6, counted ×50 toward the 1,000-point limit (ADR 1.1.3.6.3; from the ADR table itself)
- Labels
- Labels: model 5.1 (Oxidizing substances) (ADR 5.2.2.2.2, label model No. 5.1; paraphrase, not yet reviewed)
- Packing
- Packing instruction P502: Oxidizing liquids: inners of 5 l in drums or boxes up to 125 kg (4H1 60 kg), single drums 250 l, jerricans 60 l, composite packagings. Mixed packing provision MP2: No mixed packing: the goods must be alone in their package. (ADR 4.1.4.1, P502, 4.1.10.4, MP2; paraphrase, not yet reviewed)
- Carriage
- Loading provision CV24: Clean the vehicle or container of combustible debris before loading; no readily flammable stowage material. Operation provision S20: Chapter 8.4 supervision applies above 10 000 kg in packages, or above 3 000 litres in tanks. (ADR 7.5.11, CV24, 8.5, S20; paraphrase, not yet reviewed)
Assembled from FreightUtils' meanings of the Table A codes, not the official text. A statement marked “not yet reviewed” has not yet been checked against ADR by a person.
In plain words — variant 2 of 3, packing group II
- Tunnels
- Tunnel code (E): in tanks, Prohibited in E; in other carriage, Prohibited in E. Every category except E. (ADR 8.6.4; from the ADR table itself)
- Small-load exemption
- Transport category 2: at most 333 per transport unit under 1.1.3.6, counted ×3 toward the 1,000-point limit (ADR 1.1.3.6.3; from the ADR table itself)
- Labels
- Labels: model 5.1 (Oxidizing substances) (ADR 5.2.2.2.2, label model No. 5.1; paraphrase, not yet reviewed)
- Packing
- Packing instruction P504: Combination packagings by inner material (glass 5 l/75 kg, plastics 30 l/75 kg, metal 40 l/125 or 225 kg), single drums 250 l, jerricans 60 l, composites. Packing instruction IBC02: Liquids under IBC02 may use metal (31A/31B/31N), rigid plastics (31H1/31H2) or composite 31HZ1 IBCs, with B and BB limits per UN number. Mixed packing provision MP2: No mixed packing: the goods must be alone in their package. (ADR 4.1.4.1, P504, 4.1.4.2, IBC02, 4.1.10.4, MP2; paraphrase, not yet reviewed)
- Carriage
- Loading provision CV24: Clean the vehicle or container of combustible debris before loading; no readily flammable stowage material. (ADR 7.5.11, CV24; paraphrase, not yet reviewed)
Assembled from FreightUtils' meanings of the Table A codes, not the official text. A statement marked “not yet reviewed” has not yet been checked against ADR by a person.
In plain words — variant 3 of 3, packing group III
- Tunnels
- Tunnel code (E): in tanks, Prohibited in E; in other carriage, Prohibited in E. Every category except E. (ADR 8.6.4; from the ADR table itself)
- Small-load exemption
- Transport category 3: at most 1000 per transport unit under 1.1.3.6, counted ×1 toward the 1,000-point limit (ADR 1.1.3.6.3; from the ADR table itself)
- Labels
- Labels: model 5.1 (Oxidizing substances) (ADR 5.2.2.2.2, label model No. 5.1; paraphrase, not yet reviewed)
- Packing
- Packing instruction P504: Combination packagings by inner material (glass 5 l/75 kg, plastics 30 l/75 kg, metal 40 l/125 or 225 kg), single drums 250 l, jerricans 60 l, composites. Packing instruction IBC02: Liquids under IBC02 may use metal (31A/31B/31N), rigid plastics (31H1/31H2) or composite 31HZ1 IBCs, with B and BB limits per UN number. Packing instruction R001: R001 permits light gauge metal packagings 0A1 and 0A2 up to 40 l / 50 kg for packing groups II and III; packing group I is not allowed. Mixed packing provision MP2: No mixed packing: the goods must be alone in their package. (ADR 4.1.4.1, P504, 4.1.4.2, IBC02, 4.1.4.1, R001, 4.1.10.4, MP2; paraphrase, not yet reviewed)
- Carriage
- Loading provision CV24: Clean the vehicle or container of combustible debris before loading; no readily flammable stowage material. (ADR 7.5.11, CV24; paraphrase, not yet reviewed)
Assembled from FreightUtils' meanings of the Table A codes, not the official text. A statement marked “not yet reviewed” has not yet been checked against ADR by a person.
Class 5.1 — Oxidising Substances & Organic PeroxidesPacking Group I3 variants
UN 3139 has 3 classification variants in ADR 2025 — different hazard divisions or descriptions for the same UN number. Each variant may have different transport requirements.
- Packing Group
- I
- High danger
- Classification Code
- O1
- Tunnel Code
- (E) meaning →
- Code governing tunnel passage
- Transport Category
- 1
- For the 1,000-point rule (0 = highest restriction)
- Hazard ID No.
- —
- Kemler code
- Limited Quantity
- 0
- Max per inner package for LQ relief
- Excepted Quantity
- E0
- EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 1
×50 points per kg/L — up to 20 kg/L of this substance alone stays under the 1,000-point threshold
Per-substance max
20 kg/L
Per-substance maximum for 1.1.3.6 relief (1.1.3.6.3)
Limited Quantity
Not permitted
No limited-quantity relief for this entry (Chapter 3.4)
Excepted Quantity
E0
No excepted-quantity relief for this entry (Chapter 3.5)
Tunnel Code
Governs which tunnel categories the load may pass
Special Provisions
SP 274
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 5.1
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 274
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
- Packing Group
- II
- Medium danger
- Classification Code
- O1
- Tunnel Code
- (E) meaning →
- 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
- E2
- EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 2
×3 points per kg/L — up to 333 kg/L of this substance alone stays under the 1,000-point threshold
Per-substance max
333 kg/L
Per-substance maximum for 1.1.3.6 relief (1.1.3.6.3)
Limited Quantity
1 L
Max per inner packaging for LQ relief (Chapter 3.4)
Excepted Quantity
E2
Max 30 ml/g per inner, 500 ml/g per outer package (Chapter 3.5)
Tunnel Code
Governs which tunnel categories the load may pass
Special Provisions
SP 274
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 5.1
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 274
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
- Packing Group
- III
- Low danger
- Classification Code
- O1
- Tunnel Code
- (E) meaning →
- Code governing tunnel passage
- Transport Category
- 3
- For the 1,000-point rule (0 = highest restriction)
- Hazard ID No.
- —
- Kemler code
- Limited Quantity
- 5 L
- Max per inner package for LQ relief
- Excepted Quantity
- E1
- EQ code for excepted quantity relief
Thresholds — why, not just the verdict
Transport Category
Category 3
×1 points per kg/L — up to 1,000 kg/L of this substance alone stays under the 1,000-point threshold
Per-substance max
1,000 kg/L
Per-substance maximum for 1.1.3.6 relief (1.1.3.6.3)
Limited Quantity
5 L
Max per inner packaging for LQ relief (Chapter 3.4)
Excepted Quantity
E1
Max 30 ml/g per inner, 1,000 ml/g per outer package (Chapter 3.5)
Tunnel Code
Governs which tunnel categories the load may pass
Special Provisions
SP 274
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 5.1
These labels must be displayed on packages and vehicle placards in accordance with ADR 2025.
Special Provisions
SP 274
Refer to ADR 2025 Chapter 3.3 for full text of each provision.
Check if UN 3139 qualifies for 1.1.3.6 exemption
Calculate small load points and check exemption thresholds
📅Data: UNECE ADR 2025 (ECE/TRANS/352), via EU Directive 2008/68/EC. Last verified October 2026
ADR reference data only. Classification is the consignor's legal responsibility. Consult a DGSA for compliance decisions.
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