UN 1724

ALLYLTRICHLOROSILANE, STABILIZED

UN 1724 — ADR 2025 Table A: class 8, classification code CF1, packing group II, labels 8 +3, special provisions 386 676, limited quantity 0, excepted quantity E0, packing instructions P010, transport category 2, tunnel restriction code (D/E), hazard identification number X839.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 1724
(1) UN No.1724
(2) Name and descriptionALLYLTRICHLOROSILANE, STABILIZED
(3a) Class8
(3b) Classification codeCF1
(4) Packing groupII
(5) Labels8 +3
(6) Special provisions386 676
(7a) Limited quantities0
(7b) Excepted quantitiesE0
(8) Packaging: packing instructionsP010
(9a) Packaging: special packing provisions—
(9b) Packaging: mixed packing provisionsMP15
(10) Portable tanks and bulk containers: instructionsT10
(11) Portable tanks and bulk containers: special provisionsTP2 TP7
(12) ADR tank: tank codeL4BN
(13) ADR tank: special provisions—
(14) Vehicle for tank carriageFL
(15) Transport category (Tunnel restriction code)2 (D/E)
(16) Special provisions for carriage: packagesV8
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handling—
(19) Special provisions for carriage: operationS2 S4
(20) Hazard identification No.X839

ADR 2027 (accepted) — no change for UN 1724

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

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 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 8 (Corrosive substances), model 3 (Flammable liquids) (ADR 5.2.2.2.2, label model No. 8, 5.2.2.2.2, label model No. 3; paraphrase, not yet reviewed)
Packing
Packing instruction P010: Glass or steel inner packagings in drums or boxes, steel single drums/jerricans, 6HA1 composites or steel pressure receptacles. Mixed packing provision MP15: Up to 3 litres per inner packaging may be mixed with goods of other codes or classes that permit it, or with non-ADR goods. (ADR 4.1.4.1, P010, 4.1.10.4, MP15; paraphrase, not yet reviewed)
Tanks
Portable tank instruction T10: Portable tank, Class 1 and 3–9: test 4 bar; shell 6 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 TP7: Air must be removed from the vapour space, by nitrogen or another method. 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: FL — Vehicle for flammable liquids (flash point ≤ 60 °C), flammable gases or UN 2015 > 60 % in tanks above set sizes. (ADR 4.2.5.2.6, portable tank instruction T10, 4.2.5.3, TP2, 4.2.5.3, TP7, 4.3.4.1.1, tank code L4BN, 9.1.1.2, FL vehicle; 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. Operation provision S2: Flammable liquids/gases: no ordinary portable lights in closed load compartments; FL heaters off during loading; earth FL vehicles before filling. Operation provision S4: Temperature control: see 7.1.7; not applicable to inhibitor-stabilized 3.1.2.6 substances with SADT above 50 °C. (ADR 7.2.4, V8, 8.5, S2, 8.5, S4; 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 II
UN 1724Class 8 — Corrosive SubstancesPG II
Packing Group
II
Medium danger
Classification Code
CF1
Tunnel Code
(D/E) meaning →
Code governing tunnel passage
Transport Category
2
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
X839
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 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
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 386, SP 676
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 8Label 3

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

Special Provisions
SP 386SP 676

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

Check if UN 1724 qualifies for 1.1.3.6 exemption
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Other Corrosive Substances near UN 1724 (Class 8)

UN 1719
CAUSTIC ALKALI LIQUID, N.O.S.
UN 1725
ALUMINIUM BROMIDE, ANHYDROUS
UN 1726
ALUMINIUM CHLORIDE, ANHYDROUS
UN 1727
AMMONIUM HYDROGENDIFLUORIDE, SOLID
UN 1728
AMYLTRICHLOROSILANE
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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