UN 3250

CHLOROACETIC ACID, MOLTEN

UN 3250 — ADR 2025 Table A: class 6.1, classification code TC1, packing group II, labels 6.1 +8, special provisions —, limited quantity 0, excepted quantity E0, packing instructions —, transport category 0, tunnel restriction code (D/E), hazard identification number 68.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 3250
(1) UN No.3250
(2) Name and descriptionCHLOROACETIC ACID, MOLTEN
(3a) Class6.1
(3b) Classification codeTC1
(4) Packing groupII
(5) Labels6.1 +8
(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: instructionsT7
(11) Portable tanks and bulk containers: special provisionsTP3 TP28
(12) ADR tank: tank codeL4BH
(13) ADR tank: special provisionsTU15 TC4 TE19
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)0 (D/E)
(16) Special provisions for carriage: packages—
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handlingCV13
(19) Special provisions for carriage: operationS9 S19
(20) Hazard identification No.68

ADR 2027 (accepted) — no change for UN 3250

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.

This entry under ADR 2027 on the API: /api/adr?un=3250&edition=2027 (editions and as_of).

ADR 2025 is the edition that applies until ADR 2027 takes effect on 1 January 2027, and FreightUtils answers on it by default until then; the API answers on ADR 2027 now with edition=2027. After that date, 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/E): in tanks, Prohibited in D, E (bulk or tanks); in other carriage, Prohibited in E. Bulk/tanks: A, B, C. Packages: A, B, C, D. (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 6.1 (Toxic substances), model 8 (Corrosive substances) (ADR 5.2.2.2.2, label model No. 6.1, 5.2.2.2.2, label model No. 8; paraphrase, not yet reviewed)
Tanks
Portable tank instruction T7: Portable tank, Class 1 and 3–9: test 4 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. Portable tank provision TP28: A 2.65 bar minimum test pressure tank may be used if 2.65 bar or less is shown acceptable under 6.7.2.1. Tank code L4BH: ADR tank code for Classes 1 and 3–9: liquid tank, 4 bar, openings B, hermetically closed. — 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; H: hermetically closed (see 1.2.1) Tank provision TU15: Tank must not be used to carry foodstuffs, articles of consumption or animal feeds. Tank provision TC4: Shells need an enamel or equivalent protective lining if UN 3250 chloroacetic acid attacks the shell material. Tank provision TE19: Top fittings recessed, valved or shielded against overturning; bottom fittings recessed 200 mm or rail-protected; rear fittings behind the 9.7.6 bumper. 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 T7, 4.2.5.3, TP3, 4.2.5.3, TP28, 4.3.4.1.1, tank code L4BH, 4.3.5, TU15, 6.8.4 (a), TC4, 6.8.4 (b), TE19, 9.1.1.2, AT vehicle; paraphrase, not yet reviewed)
Carriage
Loading provision CV13: After a leak or spill, clean (and if needed disinfect or decontaminate) the vehicle or container before reuse; check other goods for contamination. Operation provision S9: Any quantity: avoid service stops near inhabited or busy places; longer stops there need authority consent. Operation provision S19: Chapter 8.4 vehicle supervision applies when the total mass in the vehicle exceeds 5 000 kg. (ADR 7.5.11, CV13, 8.5, S9, 8.5, S19; 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 6.1 — Toxic & Infectious SubstancesPacking Group II
UN 3250Class 6.1 — Toxic & Infectious SubstancesPG II
Packing Group
II
Medium danger
Classification Code
TC1
Tunnel Code
(D/E) meaning →
Code governing tunnel passage
Transport Category
0
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
68
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 6.1Label 8

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

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Other Toxic & Infectious Substances near UN 3250 (Class 6.1)

UN 3243
SOLIDS CONTAINING TOXIC LIQUID, …
UN 3246
METHANESULPHONYL CHLORIDE
UN 3249
MEDICINE, SOLID, TOXIC, N.O.S.
UN 3275
NITRILES, TOXIC, FLAMMABLE, N.O.S.
UN 3276
NITRILES, LIQUID, TOXIC, N.O.S.
All Class 6.1 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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