UN 3487

CALCIUM HYPOCHLORITE, HYDRATED, CORROSIVE or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, CORROSIVE with not less than 5.5 % but not more than 16 % water

UN 3487 (variant 1 of 2, packing group II) — ADR 2025 Table A: class 5.1, classification code OC2, packing group II, labels 5.1 +8, special provisions 314 322, limited quantity 1 kg, excepted quantity E2, packing instructions P002 IBC08, transport category 2, tunnel restriction code (E), hazard identification number 58.

UN 3487 (variant 2 of 2, packing group III) — ADR 2025 Table A: class 5.1, classification code OC2, packing group III, labels 5.1 +8, special provisions 314, limited quantity 5 kg, excepted quantity E1, packing instructions P002 IBC08 R001, transport category 3, tunnel restriction code (E), hazard identification number 58.

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

Table A — ADR 2025 (ECE/TRANS/352), UN 3487 — variant 1 of 2, packing group II
(1) UN No.3487
(2) Name and descriptionCALCIUM HYPOCHLORITE, HYDRATED, CORROSIVE or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, CORROSIVE with not less than 5.5 % but not more than 16 % water
(3a) Class5.1
(3b) Classification codeOC2
(4) Packing groupII
(5) Labels5.1 +8
(6) Special provisions314 322
(7a) Limited quantities1 kg
(7b) Excepted quantitiesE2
(8) Packaging: packing instructionsP002 IBC08
(9a) Packaging: special packing provisionsB4 B13
(9b) Packaging: mixed packing provisionsMP2
(10) Portable tanks and bulk containers: instructions—
(11) Portable tanks and bulk containers: special provisions—
(12) ADR tank: tank codeSGAN
(13) ADR tank: special provisionsTU3
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)2 (E)
(16) Special provisions for carriage: packagesV11
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handlingCV24 CV35
(19) Special provisions for carriage: operation—
(20) Hazard identification No.58
Table A — ADR 2025 (ECE/TRANS/352), UN 3487 — variant 2 of 2, packing group III
(1) UN No.3487
(2) Name and descriptionCALCIUM HYPOCHLORITE, HYDRATED, CORROSIVE or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, CORROSIVE with not less than 5.5 % but not more than 16 % water
(3a) Class5.1
(3b) Classification codeOC2
(4) Packing groupIII
(5) Labels5.1 +8
(6) Special provisions314
(7a) Limited quantities5 kg
(7b) Excepted quantitiesE1
(8) Packaging: packing instructionsP002 IBC08 R001
(9a) Packaging: special packing provisionsB4 B13
(9b) Packaging: mixed packing provisionsMP2
(10) Portable tanks and bulk containers: instructions—
(11) Portable tanks and bulk containers: special provisions—
(12) ADR tank: tank codeSGAN
(13) ADR tank: special provisionsTU3
(14) Vehicle for tank carriageAT
(15) Transport category (Tunnel restriction code)3 (E)
(16) Special provisions for carriage: packages—
(17) Special provisions for carriage: bulk—
(18) Special provisions for carriage: loading, unloading and handlingCV24 CV35
(19) Special provisions for carriage: operation—
(20) Hazard identification No.58

ADR 2027 (accepted) — no change for UN 3487

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=3487&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 — variant 1 of 2, packing group II

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 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 5.1 (Oxidizing substances), model 8 (Corrosive substances) (ADR 5.2.2.2.2, label model No. 5.1, 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. Special packing provision B4: Flexible, fibreboard and wooden IBCs must be sift-proof and water-resistant, or be lined with a liner that is. Special packing provision B13: Informative note: IMDG Code prohibits sea carriage in IBCs of UN 1748, 2208, 2880, 3485, 3486 and 3487. Mixed packing provision MP2: No mixed packing: the goods must be alone in their package. (ADR 4.1.4.1, P002, 4.1.4.2, IBC08, 4.1.4.2, IBC08, B4, 4.1.4.2, IBC08, B13, 4.1.10.4, MP2; paraphrase, not yet reviewed)
Tanks
Tank code SGAN: ADR tank code for Classes 1 and 3–9: solid tank, G (general minimum), openings A, valves/devices N. — 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; N: has no 6.8.2.2.6 breather device and is not hermetically closed Tank provision TU3: Shell interior and every part touching the substance kept clean; no lubricant that could react dangerously with it on pumps or valves. 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 4.3.4.1.1, tank code SGAN, 4.3.5, TU3, 9.1.1.2, AT vehicle; paraphrase, not yet reviewed)
Carriage
Carriage provision V11: IBCs other than metal or rigid plastics IBCs must be carried in closed or sheeted vehicles or containers. Loading provision CV24: Clean the vehicle or container of combustible debris before loading; no readily flammable stowage material. Loading provision CV35: Bags used as single packagings must be spaced apart enough to let heat dissipate. (ADR 7.2.4, V11, 7.5.11, CV24, 7.5.11, CV35; 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 5.1 (Oxidizing substances), model 8 (Corrosive substances) (ADR 5.2.2.2.2, label model No. 5.1, 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 B4: Flexible, fibreboard and wooden IBCs must be sift-proof and water-resistant, or be lined with a liner that is. Special packing provision B13: Informative note: IMDG Code prohibits sea carriage in IBCs of UN 1748, 2208, 2880, 3485, 3486 and 3487. Mixed packing provision MP2: No mixed packing: the goods must be alone in their package. (ADR 4.1.4.1, P002, 4.1.4.2, IBC08, 4.1.4.1, R001, 4.1.4.2, IBC08, B4, 4.1.4.2, IBC08, B13, 4.1.10.4, MP2; paraphrase, not yet reviewed)
Tanks
Tank code SGAN: ADR tank code for Classes 1 and 3–9: solid tank, G (general minimum), openings A, valves/devices N. — 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; N: has no 6.8.2.2.6 breather device and is not hermetically closed Tank provision TU3: Shell interior and every part touching the substance kept clean; no lubricant that could react dangerously with it on pumps or valves. 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 4.3.4.1.1, tank code SGAN, 4.3.5, TU3, 9.1.1.2, AT vehicle; paraphrase, not yet reviewed)
Carriage
Loading provision CV24: Clean the vehicle or container of combustible debris before loading; no readily flammable stowage material. Loading provision CV35: Bags used as single packagings must be spaced apart enough to let heat dissipate. (ADR 7.5.11, CV24, 7.5.11, CV35; 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 5.1 — Oxidising Substances & Organic PeroxidesPacking Group II2 variants
UN 3487 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 3487Class 5.1 — Oxidising Substances & Organic PeroxidesPG IIVariant 1 of 2
CALCIUM HYPOCHLORITE, HYDRATED, CORROSIVE or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, CORROSIVE with not less than 5.5 % but not more than 16 % water
Packing Group
II
Medium danger
Classification Code
OC2
Tunnel Code
(E) meaning →
Code governing tunnel passage
Transport Category
2
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
58
Kemler code
Limited Quantity
1 kg
Max per inner package for LQ relief
Excepted Quantity
E2
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
1 kg
Max per inner packaging for LQ relief (Chapter 3.4)
Excepted Quantity
E2
Max 30 ml/g per inner, 500 ml/g per outer package (Chapter 3.5)
Tunnel Code
Governs which tunnel categories the load may pass
Special Provisions
SP 314, SP 322
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 5.1Label 8

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

Special Provisions
SP 314SP 322

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

UN 3487Class 5.1 — Oxidising Substances & Organic PeroxidesPG IIIVariant 2 of 2
CALCIUM HYPOCHLORITE, HYDRATED, CORROSIVE or CALCIUM HYPOCHLORITE, HYDRATED MIXTURE, CORROSIVE with not less than 5.5 % but not more than 16 % water
Packing Group
III
Low danger
Classification Code
OC2
Tunnel Code
(E) meaning →
Code governing tunnel passage
Transport Category
3
For the 1,000-point rule (0 = highest restriction)
Hazard ID No.
58
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
Special Provisions
SP 314
May alter scope or limits — full text in ADR 2025 Chapter 3.3
Hazard Labels Required
Label 5.1Label 8

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

Special Provisions
SP 314

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

Check if UN 3487 qualifies for 1.1.3.6 exemption
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Other Oxidising Substances & Organic Peroxides near UN 3487 (Class 5.1)

UN 3407
CHLORATE AND MAGNESIUM CHLORIDE …
UN 3408
LEAD PERCHLORATE SOLUTION
UN 3485
CALCIUM HYPOCHLORITE, DRY, CORRO…
UN 3486
CALCIUM HYPOCHLORITE MIXTURE, DR…
UN 3544
ARTICLES CONTAINING OXIDIZING SU…
All Class 5.1 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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