UN 3114

ORGANIC PEROXIDE TYPE C, SOLID, TEMPERATURE CONTROLLED

UN 3114 — ADR 2025 Table A: class 5.2, classification code P2, packing group —, labels 5.2, special provisions 122 274, limited quantity 0, excepted quantity E0, packing instructions P520, transport category 1, tunnel restriction code (D), hazard identification number —.

UNECE ADR 2025, ECE/TRANS/352 · checked 2026-10-28

Table A — ADR 2025 (ECE/TRANS/352), UN 3114
(1) UN No.3114
(2) Name and descriptionORGANIC PEROXIDE TYPE C, SOLID, TEMPERATURE CONTROLLED
(3a) Class5.2
(3b) Classification codeP2
(4) Packing group—
(5) Labels5.2
(6) Special provisions122 274
(7a) Limited quantities0
(7b) Excepted quantitiesE0
(8) Packaging: packing instructionsP520
(9a) Packaging: special packing provisions—
(9b) Packaging: mixed packing provisionsMP4
(10) Portable tanks and bulk containers: instructions—
(11) Portable tanks and bulk containers: special provisions—
(12) ADR tank: tank code—
(13) ADR tank: special provisions—
(14) Vehicle for tank carriage—
(15) Transport category (Tunnel restriction code)1 (D)
(16) Special provisions for carriage: packagesV8
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handlingCV15 CV20 CV21 CV22 CV24
(19) Special provisions for carriage: operationS4 S8 S17
(20) Hazard identification No.—

ADR 2027 (accepted) — what changes for UN 3114

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)

UN 3114: Table A changes, ADR 2025 → ADR 2027
ColumnADR 2025 → ADR 2027Source
(18) Carriage special provisions: loading, unloading and handlingCV15 CV20 CV21 CV22 CV24 → CV15 CV20 CV21 CV22 CV24 CV29ECE/TRANS/WP.15/274, PDF p. 16

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

Tunnels
Tunnel code (D): in tanks, Prohibited in D, E; in other carriage, Prohibited in D, E. Categories A, B, C. (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 5.2 (Organic peroxides) (ADR 5.2.2.2.2, label model No. 5.2; paraphrase, not yet reviewed)
Packing
Packing instruction P520: Organic peroxides (5.2) and self-reactive substances (4.1): packing methods OP1-OP8 set per-package quantity limits; metal only for OP7/OP8. Mixed packing provision MP4: No mixing with other classes or non-ADR goods, except an organic peroxide hardener or compound system may go with its Class 3 substances. (ADR 4.1.4.1, P520, 4.1.10.4, MP4; paraphrase, not yet reviewed)
Carriage
Carriage provision V8: Temperature control applies: follow 7.1.7; not applicable to inhibitor-stabilized 3.1.2.6 substances with SADT above 50 °C. Loading provision CV15: Pointer: the mixed-loading limits in 7.5.5.3 apply. Loading provision CV20: Chapter 5.3, 7.1.7.4.7, 7.1.7.4.8 and V1 do not apply if packed to P520 OP1/OP2 and ≤ 10 kg per transport unit. Loading provision CV21: Temperature-controlled carriage: inspect unit, brief the carrier, carry enough refrigerant, keep packages accessible, hold control temperature throughout. Loading provision CV22: Load for free air circulation; above 5 000 kg per vehicle or large container, split into stacks ≤ 5 000 kg with ≥ 0.05 m gaps. Loading provision CV24: Clean the vehicle or container of combustible debris before loading; no readily flammable stowage material. Operation provision S4: Temperature control: see 7.1.7; not applicable to inhibitor-stabilized 3.1.2.6 substances with SADT above 50 °C. Operation provision S8: Above 2 000 kg on a transport unit, avoid service stops near inhabited or busy places; longer stops there need authority consent. Operation provision S17: Chapter 8.4 vehicle supervision applies when the total mass in the vehicle exceeds 1 000 kg. (ADR 7.2.4, V8, 7.5.11, CV15, 7.5.11, CV20, 7.5.11, CV21, 7.5.11, CV22, 7.5.11, CV24, 8.5, S4, 8.5, S8, 8.5, S17; 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 5.2 — Oxidising Substances & Organic Peroxides
UN 3114Class 5.2 — Oxidising Substances & Organic Peroxides
Packing Group
N/A
Not applicable
Classification Code
P2
Tunnel Code
(D) 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 122, SP 274
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 5.2

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

Special Provisions
SP 122SP 274

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

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Other Oxidising Substances & Organic Peroxides near UN 3114 (Class 5.2)

UN 3111
ORGANIC PEROXIDE TYPE B, LIQUID,…
UN 3112
ORGANIC PEROXIDE TYPE B, SOLID, …
UN 3113
ORGANIC PEROXIDE TYPE C, LIQUID,…
UN 3115
ORGANIC PEROXIDE TYPE D, LIQUID,…
UN 3116
ORGANIC PEROXIDE TYPE D, SOLID, …
All Class 5.2 UN numbers →
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📅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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