ADR lookup / UN 1791
UN 1791 – HYPOCHLORITE SOLUTION
ADR details for UN 1791 from ADR 2025, Table A: class 8, hazard identification number 80 in the upper half of the orange plate. There are 2 entries for this UN number, all listed below.
UN 1791
ADR (road)
- 8
Entry 1
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C9 |
| Packing group | II |
| Labels | 8 |
| Hazard identification number | 80 |
| Limited quantity (LQ) | 1 L |
|---|---|
| Excepted quantity (EQ) | E2 |
| Packing instructions (8) | P001; IBC02 |
|---|---|
| Special packing provisions (9a) | PP10; B5 |
| Mixed packing provisions (9b) | MP15 |
| Portable tanks: instructions (10) | T7 |
|---|---|
| Portable tanks: special provisions (11) | TP2; TP24 |
| Tank code (12) | L4BV(+) |
| Special provisions for tanks (13) | TU42; TE11 |
| Vehicle for tank carriage (14) | AT |
| Transport category | 2 |
|---|---|
| Tunnel restriction code | (E) |
| Environmentally hazardous | possibly, to be classified by the consignor |
|---|
| Special provisions (6) | 521 |
|---|
SP 521
Solid chlorites and hypochlorites are substances of Class 5.1.
- 8
Entry 2
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C9 |
| Packing group | III |
| Labels | 8 |
| Hazard identification number | 80 |
| Limited quantity (LQ) | 5 L |
|---|---|
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P001; IBC02; LP01; R001 |
|---|---|
| Special packing provisions (9a) | B5 |
| Mixed packing provisions (9b) | MP19 |
| Portable tanks: instructions (10) | T4 |
|---|---|
| Portable tanks: special provisions (11) | TP2; TP24 |
| Tank code (12) | L4BV(+) |
| Special provisions for tanks (13) | TU42; TE11 |
| Vehicle for tank carriage (14) | AT |
| Transport category | 3 |
|---|---|
| Tunnel restriction code | (E) |
| Environmentally hazardous | possibly, to be classified by the consignor |
|---|
| Special provisions (6) | 521 |
|---|
SP 521
Solid chlorites and hypochlorites are substances of Class 5.1.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ADR 2025 (valid from 1 Jan 2025), BAM status 4 Nov 2024 (modified)
RID (rail)
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C9 |
| Packing group | II |
| Labels | 8 |
| Hazard identification number | 80 |
| Special provisions (6) | 521 |
| Limited quantity (LQ) | 1 L |
| Excepted quantity (EQ) | E2 |
| Packing instructions (8) | P001; IBC02 |
| Special packing provisions (9a) | PP10; B5 |
| Mixed packing provisions (9b) | MP15 |
| Portable tanks: instructions (10) | T7 |
| Portable tanks: special provisions (11) | TP2; TP24 |
| Tank code (12) | L4BV(+) |
| Special provisions for tanks (13) | TU42; TE11 |
| Transport category | 2 |
| Express parcels | CE6 |
SP 521
Solid chlorites and hypochlorites are substances of Class 5.1.
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C9 |
| Packing group | III |
| Labels | 8 |
| Hazard identification number | 80 |
| Special provisions (6) | 521 |
| Limited quantity (LQ) | 5 L |
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P001; IBC02; LP01; R001 |
| Special packing provisions (9a) | B5 |
| Mixed packing provisions (9b) | MP19 |
| Portable tanks: instructions (10) | T4 |
| Portable tanks: special provisions (11) | TP2; TP24 |
| Tank code (12) | L4BV(+) |
| Special provisions for tanks (13) | TU42; TE11 |
| Transport category | 3 |
| Express parcels | CE8 |
SP 521
Solid chlorites and hypochlorites are substances of Class 5.1.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. RID 2025, status 4 Nov 2024 (modified)
ADN (inland waterways)
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C9 |
| Packing group | II |
| Labels | 8 |
| Special provisions (6) | 521 |
| Limited quantity (LQ) | 1 L |
| Excepted quantity (EQ) | E2 |
| Equipment required | PP; EP |
| Number of cones/blue lights | 0 |
SP 521
Solid chlorites and hypochlorites are substances of Class 5.1.
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Classification code | C9 |
| Packing group | III |
| Labels | 8 |
| Special provisions (6) | 521 |
| Limited quantity (LQ) | 5 L |
| Excepted quantity (EQ) | E1 |
| Equipment required | PP; EP |
| Number of cones/blue lights | 0 |
SP 521
Solid chlorites and hypochlorites are substances of Class 5.1.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ADN 2025, status 4 Nov 2024 (modified)
IMDG (sea)
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Packing group | II |
| Marine pollutant | P |
| Special provisions (6) | 274; 900 |
| Limited quantity (LQ) | 1 L |
| Excepted quantity (EQ) | E2 |
| Packing instructions (8) | P001 |
| Special packing provisions (9a) | PP10 |
| IBC instructions and provisions | IBC02; B5 |
| Portable tanks: instructions (10) | T7 |
| Portable tanks: special provisions (11) | TP2; TP24 |
| EmS | F-A; S-B! |
| Stowage category | B |
| Segregation | SG20 |
| Segregation group | SGG8 |
SP 274
For the purposes of documentation and package marking, the proper shipping name shall be supplemented with the technical name (see 3.1.2.8.1). For UN 3077 and UN 3082 only, the technical name may be a name shown in capital letters in column 2 of the Dangerous Goods List, provided that this name does not include "N.O.S." and that special provision 274 is not assigned. The name which most appropriately describes the substance or mixture shall be used, e.g.: UN 3082, ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (PAINT) UN 3082, ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (PERFUMERY PRODUCTS).
SP 900
The transport of the following substances is prohibited: AMMONIUM HYPOCHLORITE AMMONIUM NITRATE liable to self-heating sufficient to initiate decomposition AMMONIUM NITRITES and mixtures of an inorganic nitrite with an ammonium salt CHLORIC ACID, AQUEOUS SOLUTION with more than 10% chloroc acid ETHYL NITRITE pure HYDROCYANIC ACID, AQUEOUS SOLUTION (HYDRODEN CYANIDE, AQUEOUS SOLUTION) with more than 20% hydrogen cyanide HYDROGEN CHLORIDE, REFRIGERATED LIQUID HYDROGEN CYANIDE SOLUTION in ALCOHOL with more than 45% hydrogen cyanide MERCURY OXYCYANIDE pure METHYL NITRITE PERCHLORIC ACID with more than 72% acid, by mass SILVER PICRATE, dry or wetted with less than 30% water by mass ZINC AMMONIUM NITRITE See also special provisions 349, 350, 351, 352 and 353.
| Name and description | HYPOCHLORITE SOLUTION |
|---|---|
| Class | 8 |
| Packing group | III |
| Marine pollutant | P |
| Special provisions (6) | 223; 274; 900 |
| Limited quantity (LQ) | 5 L |
| Excepted quantity (EQ) | E1 |
| Packing instructions (8) | P001; LP01 |
| IBC instructions and provisions | IBC03 |
| Portable tanks: instructions (10) | T4 |
| Portable tanks: special provisions (11) | TP2; TP24 |
| EmS | F-A; S-B! |
| Stowage category | B |
| Segregation | SG20 |
| Segregation group | SGG8 |
SP 223
If the chemical or physical properties of a substance covered by this description are such that, when tested, it does not meet the established defining criteria for the class or division listed in column 3, or any other class or division, it is not subject to the provisions of this Code except in the case of marine pollutant where 2.10.3 applies.
SP 274
For the purposes of documentation and package marking, the proper shipping name shall be supplemented with the technical name (see 3.1.2.8.1). For UN 3077 and UN 3082 only, the technical name may be a name shown in capital letters in column 2 of the Dangerous Goods List, provided that this name does not include "N.O.S." and that special provision 274 is not assigned. The name which most appropriately describes the substance or mixture shall be used, e.g.: UN 3082, ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (PAINT) UN 3082, ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. (PERFUMERY PRODUCTS).
SP 900
The transport of the following substances is prohibited: AMMONIUM HYPOCHLORITE AMMONIUM NITRATE liable to self-heating sufficient to initiate decomposition AMMONIUM NITRITES and mixtures of an inorganic nitrite with an ammonium salt CHLORIC ACID, AQUEOUS SOLUTION with more than 10% chloroc acid ETHYL NITRITE pure HYDROCYANIC ACID, AQUEOUS SOLUTION (HYDRODEN CYANIDE, AQUEOUS SOLUTION) with more than 20% hydrogen cyanide HYDROGEN CHLORIDE, REFRIGERATED LIQUID HYDROGEN CYANIDE SOLUTION in ALCOHOL with more than 45% hydrogen cyanide MERCURY OXYCYANIDE pure METHYL NITRITE PERCHLORIC ACID with more than 72% acid, by mass SILVER PICRATE, dry or wetted with less than 30% water by mass ZINC AMMONIUM NITRITE See also special provisions 349, 350, 351, 352 and 353.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. IMDG Code Amdt. 42-24, applicable from 1 Jan 2026, status 9 Dec 2025 (modified)
ICAO (air)
| Name and description | Hypochlorite solution |
|---|---|
| Class | 8 |
| Labels | Corrosive |
| Packing group | II |
| Special provisions (6) | A3 |
| Excepted quantity (EQ) | E2 |
| Packing instruction passenger aircraft | 851 |
| Max. net quantity passenger aircraft | 1 L |
| Packing instruction limited quantity (Y) | Y840 |
| Max. net quantity limited quantity (Y) | 0.5 L |
| Packing instruction cargo aircraft | 855 |
| Max. net quantity cargo aircraft | 30 L |
| ERG code | 8L |
SP A3
If the chemical or physical properties of a substance covered by this description are such that, when tested, it does not meet the established defining criteria for the class or division listed in column 3, or any other class or division, it is not subject to these Instructions.
| Name and description | Hypochlorite solution |
|---|---|
| Class | 8 |
| Labels | Corrosive |
| Packing group | III |
| Special provisions (6) | A3 |
| Excepted quantity (EQ) | E1 |
| Packing instruction passenger aircraft | 852 |
| Max. net quantity passenger aircraft | 5 L |
| Packing instruction limited quantity (Y) | Y841 |
| Max. net quantity limited quantity (Y) | 1 L |
| Packing instruction cargo aircraft | 856 |
| Max. net quantity cargo aircraft | 60 L |
| ERG code | 8L |
SP A3
If the chemical or physical properties of a substance covered by this description are such that, when tested, it does not meet the established defining criteria for the class or division listed in column 3, or any other class or division, it is not subject to these Instructions.
Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ICAO TI 2025–2026, status 5 Nov 2024 (modified)
We maintain this information to the best of our knowledge, but errors and outdated data are possible. It does not replace the official text of ADR, RID, ADN, the IMDG Code or the ICAO TI, nor a check by a dangerous goods safety adviser. No liability is accepted for the information.