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Dangerous goods classUpdated October 15, 2025

Class 8 — Corrosives

Destroys skin and material tissue through chemical attack.

The Class 8 — Corrosives of the UN Model Regulations is subject to specific rules in road transport (ADR), sea freight (IMDG) and air freight (IATA DGR). This article summarises the key transport requirements, example substances and labelling.

UN class
8
Examples
Acids (sulfuric, hydrochloric, phosphoric), bases (caustic soda), battery acid.
Label
Weiss oben, Schwarz unten, Symbol "Hand/Metall-Ätzung"

01Typical goods and risks

Examples: Acids (sulfuric, hydrochloric, phosphoric), bases (caustic soda), battery acid.

Risks: Destroys skin and material tissue through chemical attack.

Before every shipment, conduct a risk assessment for the specific packaging, loading and routing combination — especially for tunnels, ferry passages and transit countries with special regimes.

02ADR — road transport

ADR; Materialverträglichkeit (Edelstahl, Kunststoff) prüfen.

Required: transport document per 5.4.1 ADR, UN packaging codes, hazard labels and orange warning panel on the vehicle. Drivers need the ADR certificate (basic and, if applicable, specialisation courses).

03IMDG — sea freight

IMDG; Stauung getrennt von Klasse 5 und reagierenden Stoffen.

Notes such as "Stow away from living quarters" or the segregation group are defined in IMDG Code Part 7. Mandatory document: Dangerous Goods Declaration. Containers must be CSC-certified and stowed per the CTU Code.

04IATA — air freight

Meist in PAX PG II/III zulässig; Kategorie-spezifische Mengenlimits.

IATA DGR is updated annually (currently 66th edition 2025). Operator variations (OV) of individual airlines are binding. Shipper's declaration is mandatory and often available electronically (eDG).

Frequently asked questions

Can Class 8 — Corrosives be transported by air?

Meist in PAX PG II/III zulässig; Kategorie-spezifische Mengenlimits. Always check the current IATA DGR edition and operator variations.

Topics

Gefahrgut Klasse 8SäureLaugeBatterieflüssigkeitADR

Further resources