UN 2215

MALEIC ANHYDRIDE, MOLTEN

UN 2215 (variant 1 of 2, packing group III) — ADR 2025 Table A: class 8, classification code C3, packing group III, labels 8, special provisions —, limited quantity 0, excepted quantity E0, packing instructions —, transport category 0, tunnel restriction code (E), hazard identification number 80.

UN 2215 (variant 2 of 2, packing group III) — ADR 2025 Table A: class 8, classification code C4, packing group III, labels 8, special provisions —, limited quantity 5 kg, excepted quantity E1, packing instructions P002 IBC08 R001, transport category 3, tunnel restriction code (E), hazard identification number 80.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 2215 — variant 1 of 2, packing group III
(1) UN No.2215
(2) Name and descriptionMALEIC ANHYDRIDE, MOLTEN
(3a) Class8
(3b) Classification codeC3
(4) Packing groupIII
(5) Labels8
(6) Special provisions—
(7a) Limited quantities0
(7b) Excepted quantitiesE0
(8) Packaging: packing instructions—
(9a) Packaging: special packing provisions—
(9b) Packaging: mixed packing provisions—
(10) Portable tanks and bulk containers: instructionsT4
(11) Portable tanks and bulk containers: special provisionsTP3
(12) ADR tank: tank codeL4BN
(13) ADR tank: special provisions—
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)0 (E)
(16) Special provisions for carriage: packages—
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handling—
(19) Special provisions for carriage: operation—
(20) Hazard identification No.80
Table A — ADR 2025 (ECE/TRANS/352), UN 2215 — variant 2 of 2, packing group III
(1) UN No.2215
(2) Name and descriptionMALEIC ANHYDRIDE
(3a) Class8
(3b) Classification codeC4
(4) Packing groupIII
(5) Labels8
(6) Special provisions—
(7a) Limited quantities5 kg
(7b) Excepted quantitiesE1
(8) Packaging: packing instructionsP002 IBC08 R001
(9a) Packaging: special packing provisionsB3
(9b) Packaging: mixed packing provisionsMP10
(10) Portable tanks and bulk containers: instructionsT1
(11) Portable tanks and bulk containers: special provisionsTP33
(12) ADR tank: tank codeSGAV
(13) ADR tank: special provisions—
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)3 (E)
(16) Special provisions for carriage: packages—
(17) Special provisions for carriage: bulkVC1 VC2 AP7
(18) Special provisions for carriage: loading, unloading and handling—
(19) Special provisions for carriage: operation—
(20) Hazard identification No.80

ADR 2027 (accepted) — no change for UN 2215

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 2, 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 0: no 1.1.3.6 exemption applies (ADR 1.1.3.6.3; from the ADR table itself)
Labels
Labels: model 8 (Corrosive substances) (ADR 5.2.2.2.2, label model No. 8; paraphrase, not yet reviewed)
Tanks
Portable tank instruction T4: Portable tank, Class 1 and 3–9: test 2.65 bar; shell See 6.7.2.4.2; relief Normal; bottom openings See 6.7.2.6.3. Portable tank provision TP3: For solids above melting point and hot liquids, maximum filling (%) is set by 4.2.1.9.5: 95 × dr/df. Tank code L4BN: ADR tank code for Classes 1 and 3–9: liquid tank, 4 bar, openings B, valves/devices N. — L: tank for liquid-state substances (liquids, or solids handed over molten); 4: minimum calculation pressure of 4 bar (see 6.8.2.1.14); B: filling or discharge openings at the bottom, each with 3 closures; N: has no 6.8.2.2.6 breather device and is not hermetically closed Vehicle for tank carriage: AT — Tank vehicle for dangerous goods that is not EX/III, FL or a MEMU: tanks over 1 m³ / 3 m³, or battery-vehicle over 1 m³. (ADR 4.2.5.2.6, portable tank instruction T4, 4.2.5.3, TP3, 4.3.4.1.1, tank code L4BN, 9.1.1.2, AT vehicle; 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 2, 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 8 (Corrosive substances) (ADR 5.2.2.2.2, label model No. 8; paraphrase, not yet reviewed)
Packing
Packing instruction P002: General packing instruction for solids: combination, single, composite packagings and pressure receptacles, with net mass limits by packing group. Packing instruction IBC08: IBC08 is the widest solids IBC instruction: metal, rigid plastics, composite, fibreboard 11G, wooden and flexible 13-series IBCs. 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. Special packing provision B3: Flexible IBCs must be sift-proof and water-resistant, or carry a liner that is. Mixed packing provision MP10: Up to 5 kg per inner packaging may be mixed with same-class goods of other codes, other classes that permit it, or non-ADR goods. (ADR 4.1.4.1, P002, 4.1.4.2, IBC08, 4.1.4.1, R001, 4.1.4.2, IBC08, B3, 4.1.10.4, MP10; paraphrase, not yet reviewed)
Tanks
Portable tank instruction T1: Portable tank, Class 1 and 3–9: test 1.5 bar; shell See 6.7.2.4.2; relief Normal; bottom openings See 6.7.2.6.2. Portable tank provision TP33: The assigned tank instruction covers granular/powdered solids and solids loaded hot but carried as a solid mass. Tank code SGAV: ADR tank code for Classes 1 and 3–9: solid tank, G (general minimum), openings A, valves/devices V. — S: tank for solid-state substances (powdery or granular); G: minimum calculation pressure under the general requirements of 6.8.2.1.14; A: filling or discharge openings at the bottom, each with 2 closures; V: has a 6.8.2.2.6 breather device but no flame-propagation protection, or is not explosion-pressure-shock resistant Vehicle for tank carriage: AT — Tank vehicle for dangerous goods that is not EX/III, FL or a MEMU: tanks over 1 m³ / 3 m³, or battery-vehicle over 1 m³. (ADR 4.2.5.2.6, portable tank instruction T1, 4.2.5.3, TP33, 4.3.4.1.1, tank code SGAV, 9.1.1.2, AT vehicle; paraphrase, not yet reviewed)
Carriage
Bulk carriage VC1: Bulk carriage allowed in sheeted vehicles, sheeted containers or sheeted bulk containers (BK1 also usable if 7.3.3.2 met). Bulk carriage VC2: Bulk carriage allowed in closed vehicles, closed containers or closed bulk containers (BK2 also usable if 7.3.3.2 met). Bulk provision AP7: Bulk carriage is permitted only as a full load. (ADR 7.3.3.1, VC1, 7.3.3.1, VC2, 7.3.3.2, AP7; 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 8 — Corrosive SubstancesPacking Group III2 variants
UN 2215 has 2 classification variants in ADR 2025 — different hazard divisions or descriptions for the same UN number. Each variant may have different transport requirements.
UN 2215Class 8 — Corrosive SubstancesPG IIIVariant 1 of 2
MALEIC ANHYDRIDE, MOLTEN
Packing Group
III
Low danger
Classification Code
C3
Tunnel Code
(E) meaning →
Code governing tunnel passage
Transport Category
0
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
80
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 0
Never exempt — any quantity requires full ADR compliance
Per-substance max
0 kg/L
Per-substance maximum (1.1.3.6.3) — Category 0 is never exempt
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
Hazard Labels Required
Label 8

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

UN 2215Class 8 — Corrosive SubstancesPG IIIVariant 2 of 2
MALEIC ANHYDRIDE
Packing Group
III
Low danger
Classification Code
C4
Tunnel Code
(E) meaning →
Code governing tunnel passage
Transport Category
3
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
80
Kemler code
Limited Quantity
5 kg
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 kg
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
Hazard Labels Required
Label 8

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

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All Class 8 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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