UN 1744

BROMINE or BROMINE SOLUTION

UN 1744 — ADR 2025 Table A: class 8, classification code CT1, packing group I, labels 8 +6.1, special provisions —, limited quantity 0, excepted quantity E0, packing instructions P804, transport category 1, tunnel restriction code (C/D), hazard identification number 886.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 1744
(1) UN No.1744
(2) Name and descriptionBROMINE or BROMINE SOLUTION
(3a) Class8
(3b) Classification codeCT1
(4) Packing groupI
(5) Labels8 +6.1
(6) Special provisions—
(7a) Limited quantities0
(7b) Excepted quantitiesE0
(8) Packaging: packing instructionsP804
(9a) Packaging: special packing provisions—
(9b) Packaging: mixed packing provisionsMP2
(10) Portable tanks and bulk containers: instructionsT22
(11) Portable tanks and bulk containers: special provisionsTP2 TP10
(12) ADR tank: tank codeL21DH(+)
(13) ADR tank: special provisionsTU14 TU33 TU43 TC5 TE21 TT2 TM3 TM5
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)1 (C/D)
(16) Special provisions for carriage: packages—
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handlingCV13 CV28
(19) Special provisions for carriage: operationS14
(20) Hazard identification No.886

ADR 2027 (accepted) — no change for UN 1744

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=1744&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 (C/D): in tanks, Prohibited in C, D, E; in other carriage, Prohibited in D, E. Tanks: A, B. Packages: 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 8 (Corrosive substances), model 6.1 (Toxic substances) (ADR 5.2.2.2.2, label model No. 8, 5.2.2.2.2, label model No. 6.1; paraphrase, not yet reviewed)
Packing
Packing instruction P804: Bromine UN 1744: hermetically sealed; canned glass inners (25 kg gross), metal/PVDF inners of 5 l (75 kg gross), drum-in-drum, or pressure receptacles. Mixed packing provision MP2: No mixed packing: the goods must be alone in their package. (ADR 4.1.4.1, P804, 4.1.10.4, MP2; paraphrase, not yet reviewed)
Tanks
Portable tank instruction T22: Portable tank, Class 1 and 3–9: test 10 bar; shell 10 mm; relief See 6.7.2.8.3; bottom openings Not allowed. Portable tank provision TP2: Portable tank must not be filled beyond the degree of filling set by 4.2.1.9.3 (the 95-based formula). Portable tank provision TP10: Lead lining at least 5 mm thick, tested yearly, or another approved lining; 3-month grace after lining inspection lapses. Tank code L21DH(+): ADR tank code for Classes 1 and 3–9: liquid tank, 21 bar, openings D, hermetically closed, suffix (+). — L: tank for liquid-state substances (liquids, or solids handed over molten); 21: minimum calculation pressure of 21 bar (see 6.8.2.1.14); D: filled and discharged from the top; nothing opens below the liquid surface; H: hermetically closed (see 1.2.1); (+): alternative use of the tank for other substances is allowed only where the certificate of type approval says so (3.2.1 column (12); 4.3.4.1.3) Tank provision TU14: Protective caps on the closures must be locked during carriage. Tank provision TU33: Fill to between 88 % and 92 % of capacity, or alternatively 2.86 kg per litre. Tank provision TU43: An empty uncleaned tank may travel up to three months past its lining inspection expiry, to reach that inspection before refilling. Tank provision TC5: Shells must have a lead lining at least 5 mm thick, or an equivalent lining. Tank provision TE21: Closures must be protected by lockable caps. Tank provision TT2: Shell lining condition must be inspected every year by an inspection body examining the inside of the shell. Tank provision TM3: Plate must also give the proper shipping name and, in kg, the highest load mass permitted for this substance. Tank provision TM5: Tanks must also show the month and year of the most recent internal shell inspection. 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 T22, 4.2.5.3, TP2, 4.2.5.3, TP10, 4.3.4.1.1, tank code L21DH(+), 4.3.5, TU14, 4.3.5, TU33, 4.3.5, TU43, 6.8.4 (a), TC5, 6.8.4 (b), TE21, 6.8.4 (d), TT2, 6.8.4 (e), TM3, 6.8.4 (e), TM5, 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. Loading provision CV28: Pointer: the provisions of 7.5.4 apply. Operation provision S14: Chapter 8.4 vehicle supervision applies for any amount of these substances. (ADR 7.5.11, CV13, 7.5.11, CV28, 8.5, S14; 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 I
UN 1744Class 8 — Corrosive SubstancesPG I
Packing Group
I
High danger
Classification Code
CT1
Tunnel Code
(C/D) meaning →
Code governing tunnel passage
Transport Category
1
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
886
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
Hazard Labels Required
Label 8Label 6.1

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

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Other Corrosive Substances near UN 1744 (Class 8)

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UN 1747
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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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