Germany AwSV List of published WGK classifications updated

On 6 September 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. Gamma-valerolactone

   WGK 1 (slightly hazardous to water)

2. Tris(chloropropyl) phosphate

   WGK 2 (obviously hazardous to water)

3. Isophthalic acid

   WGK 1 (slightly hazardous to water)

4. N-butylbenzenesulphonamide

   WGK 1 (slightly hazardous to water)

5. Gum arabic

   WGK 1 (slightly hazardous to water)

6. Lithium di-iso-butyl-tert-butoxyaluminium hydride

   WGK 1 (slightly hazardous to water)

7. 2-Ethyl-1-hexanol, magnesium salt (2:1)

   WGK 1 (slightly hazardous to water)

8. Sodium 4-methyl-2-pentanolate

   WGK 1 (slightly hazardous to water)

9. 2,2,6,6-Tetramethylpiperidinylmagnesium chloride

   WGK 2 (obviously hazardous to water)

10. [11-(Dimethylamino)-2,6-dimethyl-2,6-undecadien-1-yl]lithium

    WGK 3 (highly hazardous to water)

11. [(Dibutylamino)-dimethylsilyl]-methyllithium

    WGK 1 (slightly hazardous to water)

12. N-Pentyl lithium

    WGK 2 (obviously hazardous to water)

13. (3Z)-2,3-Dihydro-3-[[[4-[methyl[2-(4-methyl-1-piperazinyl)acetyl]amino]phenyl]amino]phenylmethylene]-2-oxo-1H-indole-6-carboxylic acid methyl ester ethanesulfonate (1:1)

    WGK 2 (obviously hazardous to water)

14. 3-Methoxyphenylmagnesium bromide

    WGK 2 (obviously hazardous to water)

15. 1,3-Di-(2-lithio-4-methylhexan-2-yl)benzene

    WGK 3 (highly hazardous to water)

16. Lithium di-iso-butyl-n-butylaluminium hydride

    WGK 1 (slightly hazardous to water)

17. Alcohols, C13-15, ethoxylated, butoxylated, methylether, EO 6,2, BO 1,9 (average MW 636-676 g/mol)

    WGK 2 (obviously hazardous to water)

18. (Z)-N,N-Bis(2-Hydroxyethyl)-N-methyl-9-octadec-1-ene-aminium methylsulfate, ethoxylated, 5 < EO <7

    WGK 2 (obviously hazardous to water)

19. Reaction products of slack wax (petroleum), oxidized, esterified with n-butanol

    WGK 1 (slightly hazardous to water)

20. Petrolatum (petroleum), oxidized, butyl ester

    WGK 1 (slightly hazardous to water)

21. 2-(4-Phenylbenzoyl)benzoic acid

    WGK 1 (slightly hazardous to water)