Germany AwSV List of published WGK classifications updated

On 2 March 2023, 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. Disodium sulphide

   WGK 3 (highly hazardous to water)

2. Hydrogen sulphide

   WGK 3 (highly hazardous to water)

3. Ammonium sulphide

   WGK 3 (highly hazardous to water)

4. Potassium hydrogensulphide

   WGK 3 (highly hazardous to water)

5. Dipotassium sulphide

   WGK 3 (highly hazardous to water)

6. Sodium hydrogensulphide

   WGK 3 (highly hazardous to water)

7. Undecanal

   WGK 2 (obviously hazardous to water)

8. Methyl salicylate

   WGK 2 (obviously hazardous to water)

9. 2-Propenoic acid, 2-methyl-, butyl ester, polymer with ethenylbenzene (average MW approx. 14000 g)

   WGK 1 (slightly hazardous to water)

10. Butan-2-one O,O',O''-(methylsilylidyne)trioxime

    WGK 3 (highly hazardous to water)

11. Butan-2-one O,O',O''-(vinylsilylidyne)trioxime

    WGK 3 (highly hazardous to water)

12. 2-Propenoic acid, telomer with ethenylbenzene and 3-mercaptopropanoic acid, sodium salt, hydrogen peroxide- and peroxydisulfuric acid ([(HO)S(O)2]2O2) sodium salt (1:2)-initiated (average MW 3200 g/mol)

    WGK 1 (slightly hazardous to water)

13. Lithium sulphide, anhydrous

    WGK 3 (highly hazardous to water)

14. N-Isopropylhydroxylamine

    WGK 1 (slightly hazardous to water)

15. Poly[oxy(methyl-1,2-ethanediyl)], alpha-[[[(trimethoxysilyl)methyl]amino]carbonyl]-omega-[[[[(trimethoxysilyl)methyl]amino]carbonyl]oxy]- (average molecular weight 17000 g/mol), residual Methanol ≤ 0,5%

    WGK 1 (slightly hazardous to water)

16. Esterification product of Alcohols, C12-13, ethoxylated, and Alcohols, C16-18 and butan-1-ol with diphosphorus pentaoxide

    WGK 3 (highly hazardous to water)

17. Reactions products with dicoco alkyl amine and ditallow alkyl amine with 1-hexadecene-maleic anhydride-polyethylene glycol allyl Me ether-1-tetradecene polymer (average MW 1200 g/mol)

    WGK 2 (obviously hazardous to water)

18. Hexanol, ethoxylated, carboxymethylated, compound with 2-Aminoethanol, EO 3

    WGK 2 (obviously hazardous to water)

19. Hexanol, ethoxylated, carboxymethylated, compound with 2,2',2''-Triethanolamine, EO 3

    WGK 1 (slightly hazardous to water)

20. 1-Octadecanaminium,N,N-Dimethyl-N-Octadecyl-,(Sp-4-2)-[29h,31h-Phthalocyanine-2-Sulfonato(3-)-N29,N30,N31,N32]Cuprate(1-)

    WGK nwg (non-hazardous to water)

21. Cerium(4+) disulphate

    WGK 3 (highly hazardous to water)

22. 1,2-Heptanediol

    WGK 1 (slightly hazardous to water)

23. Lanthanum trihydroxide

    WGK nwg (non-hazardous to water)

24. Reaction products of Methylenediphenyldiisocyanate and aliphatic polyalcohols, polyether polyols or polyester polyols (average MW > 1800 g/mol, residual Methylenediphenyldiisocyanate < 5%)

    WGK 1 (slightly hazardous to water)