Germany AwSV List of published WGK classifications updated

On 9 August 2022, the German Ordinance on Facilities Handling Substances That Are Hazardous to Water (AwSV) List of published water hazard class (WGK) classifications was updated. The following substances were newly assigned a WGK:

1. Trichloro(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane

   WGK 1 (slightly hazardous to water)

2. Trimethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane

   WGK 1 (slightly hazardous to water)

3. Bromo(4-fluorophenyl)magnesium

   WGK 2 (obviously hazardous to water)

4. Methylmagnesium chloride

   WGK 1 (slightly hazardous to water)

5. Tert-butylmagnesium chloride

   WGK 1 (slightly hazardous to water)

6. Butylmagnesium chloride

   WGK 1 (slightly hazardous to water)

7. Bromo(1-methylpropyl)magnesium

   WGK 1 (slightly hazardous to water)

8. Isobutylmagnesium bromide

   WGK 1 (slightly hazardous to water)

9. Chlorocyclohexylmagnesium

   WGK 2 (obviously hazardous to water)

10. Chloro(2-methylpropyl)-magnesium

    WGK 1 (slightly hazardous to water)

11. Pentylmagnesium chloride

    WGK 2 (obviously hazardous to water)

12. Dilithium oxide

    WGK 1 (slightly hazardous to water)

13. (Trimethylsilyl)methylmagnesium chloride

    WGK 2 (obviously hazardous to water)

14. Bromo(1-methylethenyl)magnesium (Tetrahydro-2-methylfuran > 5 % (w/w))

    WGK 2 (obviously hazardous to water)

15. Sodium mentholate

    WGK 1 (slightly hazardous to water)

16. Lithium-2-methoxyethoxide

    WGK 2 (obviously hazardous to water)

17. Ethynylmagnesium chloride

    WGK 1 (slightly hazardous to water)

18. Propynylmagnesium chloride

    WGK 1 (slightly hazardous to water)

19. 8-[(3R)-3-Amino-1-piperidinyl]-7-(2-butyn-1-yl)-3,7-dihydro-3-methyl-1-[(4-methyl-2-quinazolinyl)methyl]-1H-purine-2,6-dione

    WGK 1 (slightly hazardous to water)

20. Cyclopentylmagnesium chloride

    WGK 1 (slightly hazardous to water)

21. (2S,3R,4R,5S,6R)-2-(4-chloro-3-(4-((S)-tetrahydrofuran-3-yloxy)benzyl)phenyl)-6-(hydroxymethyl)tetrahydro-2H-pyran-3,4,5-triol

    WGK 1 (slightly hazardous to water)

22. Chloro-o-tolylmagnesium

    WGK 2 (obviously hazardous to water)

23. Chlorooctylmagnesium

    WGK 2 (obviously hazardous to water)

24. 2-Propenoic acid, 2-methyl-, 2-hydroxyethylester, phosphate

    WGK 1 (slightly hazardous to water)

25. Boric acid comp. with Diglycolamine

    WGK 1 (slightly hazardous to water)