News Details
Update of the classification for ammonium hydrogendifluoride by the Transport of Dangerous Goods at its sixty-third session
The Committee of Experts on the Transport of Dangerous Goods and the Globally Harmonized System of Classification and Labelling of Chemicals adapted the new classification for ammonium hydrogendifluoride (CAS: 1341-49-7 Index No. 009-009-00-4) at the sixty-third session of Transport of Dangerous Goods. Sweden proposed the amendment to the classification.
The Sub-Committee of Experts on the Transport of Dangerous Goods (SCETDG) further clarified that
-
In addition to the harmonised classification skin corrosion 1B – H314, acute toxicity 3 – H 301 will be added to the classification.
-
For the solid form it is listed as UN 1727 ammonium hydrogendifluoride and classified as Class 8 (corrosive) with no subsidiary hazards.
-
For the liquid form there is already a 6.1 subsidiary hazard listed under UN 2817.
-
The 24th edition of the Model Regulations, which will come into force in January 2027, will include the Class 6.1 (toxic) classification as a secondary hazard for UN 1727.
Further details of the classification can be found here.
We acknowledge that the above information has been compiled from The United Nations Economic Commission for Europe (UNECE).
Global Product Compliance (GPC) specializes in Global Regulatory Compliance Solutions across sectors
globally. SSS Europe, a familiar name in chemical regulatory and compliance services now formally belongs
under the umbrella of GPC Holding Sweden.
Since 2008, we have emerged as one of the leading names among Global Regulatory Compliance Service
Providers with Representation services in Europe, Asia and Middle East for respective chemical
regulations.
