Germany AwSV List of published WGK classifications updated

On 29 November 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. 2,2'-iminodiethanol

    WGK 2 (obviously hazardous to water)

  2. Dichloroacetic acid

    WGK 3 (highly hazardous to water)

  3. Dichloroacetyl chloride, residual trichloroethylene < 0.1 %

    WGK 2 (obviously hazardous to water)

  4. 2-phosphonobutane-1,2,4-tricarboxylic acid including sodium, potassium and ammonium salts

    WGK 1 (slightly hazardous to water)

  5. Etidronic acid including sodium, potassium and ammonium salts

    WGK 1 (slightly hazardous to water)

  6. Nitrilotrimethylenetris(phosphonic acid) including sodium, potassium and ammonium salts

    WGK 1 (slightly hazardous to water)

  7. Benzotriazole

    WGK 2 (obviously hazardous to water)

  8. Lactic acid

    WGK 1 (slightly hazardous to water)

  9. 2,4,7,9-tetramethyl-5-decyne-4,7-diol, ethoxylated propoxylated (average MW 856 g/mol)

    WGK 1 (slightly hazardous to water)

  10. Alcohols, C8-10, ethoxylated, with 1,2-dodecanediol-ether (≥ 23 EO)

    WGK 1 (slightly hazardous to water)

  11. Fatty acids, C12-16 and C18-unsatd., Me esters

    WGK 1 (slightly hazardous to water)

  12. Caesium iodide

    WGK 3 (highly hazardous to water)

  13. Caesium sulphate

    WGK 2 (obviously hazardous to water)

  14. Reaction mass of 2-{[3-(trimethoxysilyl)propyl]amino}ethanaminium chloride and 2-{benzyl[3-(trimethoxysilyl)propyl]amino}ethanaminium chloride and N-[2-(benzylamino)ethyl]-3-(trimethoxysilyl)propan-1-aminium chloride and N-[2-(dibenzylamino)ethyl]-3-(trimethoxysilyl)propan-1-aminium chloride and N-benzyl-2-{benzyl[3-(trimethoxysilyl)propyl]amino}ethanaminium chloride and N-benzyl-N-[2-(dibenzylamino)ethyl]-3-(trimethoxysilyl)propan-1-aminium chloride

    WGK 3 (highly hazardous to water)

  15. Naphthalene-1,5-disulphonic acid

    WGK 1 (slightly hazardous to water)

  16. Hexanoic acid, 6-[[(4-methylphenyl)sulfonyl]amino]-, potassium salt (1:1)

    WGK 1 (slightly hazardous to water)

  17. Naphthalene-1,6-disulphonic acid

    WGK 1 (slightly hazardous to water)

  18. Tall oil, sodium salt

    WGK 1 (slightly hazardous to water)

  19. Diethyl N-[3-(trimethoxysilyl)propyl]aspartate

    WGK 1 (slightly hazardous to water)

  20. Phosphonic acid, P-octyl-, compd. with 1-amino-2-propanol (1:?)

    WGK 1 (slightly hazardous to water)

  21. Phosphonic acid, P-octyl-, compd. with 2,2′,2′′-nitrilotris[ethanol] (1:?)

    WGK 1 (slightly hazardous to water)

  22. Trehalose and Hydrates

    WGK 1 (slightly hazardous to water)

  23. Fatty acids, linear and branched, saturated and unsaturated, Compounds with Isopropanolamine

    WGK 1 (slightly hazardous to water)

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