UN 1823 – SODIUM HYDROXIDE, SOLID

ADR details for UN 1823 from ADR 2025, Table A: class 8, hazard identification number 80 in the upper half of the orange plate.

UN 1823

ADR (road)

Classification
Name and description	SODIUM HYDROXIDE, SOLID
Class	8
Classification code	C6
Packing group	II
Labels	8
Hazard identification number	80

Limited and excepted quantities
Limited quantity (LQ)	1 kg
Excepted quantity (EQ)	E2

Packaging
Packing instructions (8)	P002; IBC08
Special packing provisions (9a)	B4
Mixed packing provisions (9b)	MP10

Tanks
Portable tanks: instructions (10)	T3
Portable tanks: special provisions (11)	TP33
Tank code (12)	SGAN
Vehicle for tank carriage (14)	AT

Carriage
Transport category	2
Tunnel restriction code	(E)
Packages (16)	V11

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	SODIUM HYDROXIDE, SOLID
Class	8
Classification code	C6
Packing group	II
Labels	8
Hazard identification number	80
Limited quantity (LQ)	1 kg
Excepted quantity (EQ)	E2
Packing instructions (8)	P002; IBC08
Special packing provisions (9a)	B4
Mixed packing provisions (9b)	MP10
Portable tanks: instructions (10)	T3
Portable tanks: special provisions (11)	TP33
Tank code (12)	SGAN
Transport category	2
Packages (16)	W11
Express parcels	CE10

Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. RID 2025, status 4 Nov 2024 (modified)

ADN (inland waterways)

Name and description	SODIUM HYDROXIDE, SOLID
Class	8
Classification code	C6
Packing group	II
Labels	8
Limited quantity (LQ)	1 kg
Excepted quantity (EQ)	E2
Equipment required	PP; EP
Number of cones/blue lights	0

Source: BAM – Datenbank GEFAHRGUT, dl-de/by-2-0. ADN 2025, status 4 Nov 2024 (modified)

IMDG (sea)

Name and description	SODIUM HYDROXIDE, SOLID
Class	8
Packing group	II
Limited quantity (LQ)	1 kg
Excepted quantity (EQ)	E2
Packing instructions (8)	P002
IBC instructions and provisions	IBC08; B4; B21
Portable tanks: instructions (10)	T3
Portable tanks: special provisions (11)	TP33
EmS	F-A; S-B
Stowage category	A
Segregation	SG35
Segregation group	SGG18

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	Sodium hydroxide, solid
Class	8
Labels	Corrosive
Packing group	II
Excepted quantity (EQ)	E2
Packing instruction passenger aircraft	859
Max. net quantity passenger aircraft	15 kg
Packing instruction limited quantity (Y)	Y844
Max. net quantity limited quantity (Y)	5 kg
Packing instruction cargo aircraft	863
Max. net quantity cargo aircraft	50 kg
ERG code	8L

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.