Table 4 Ecotoxicity and classification of selected substances that were tentatively identified in eluates from grouts
From: Release of substances from joint grouts based on various binder types and their ecotoxic effects
Substance | CAS | H-phrases | Substance identified by | Ecotoxicity data | ||||
|---|---|---|---|---|---|---|---|---|
TZW LC–MS | TZW GC–MS | BAM GC–MS | Fish | Daphnia | Algae | |||
4-tert-Butylphenol* | 98-54-4 | H410 | MOE1 | MOE1 | rainbow trout LD50 (96 h) = 5.1 mg L−1 | EC50 (48 h) = 3.9 mg L−1 | Selenastrum capriconutum EC50 (72 h) = 14 mg L−1, EC10 or NOEC (72 h) = 0.32 mg L−1 | |
Benzyl alcohol* | 100-51-6 | MOE1 | MOE1 to MOE8 | Lepomis macrochirus LC50 (96 h) = 10 mg L−1 | EC50 (48 h) = 360 mg L−1 | Pseudokirchnerella subcapitata EC50 (72 h) = 770 mg L−1, NOEC (72 h) = 310 mg L−1 | ||
N,N-Dimethyl-1-dodecanamine * | 112-18-5 | H410 | MOE1 | MOE1 | Danio rerio or Oncorhynchus mykiss LC50 (96 h) = 0.26 mg L−1 to 1.13 mg L−1 | EC50 (48 h) = 0.056 mg L−1 to 0.93 mg L−1 | different species EC50 (72 h) = 0.016 mg L−1, EC10 or NOEC (72 h) = 0.0026 mg L−1 | |
N,N-Dimethyl-1-tetradecanamine | 112-75-4 | H410 | MOE1 | different species LC50 (48 h) = 0.43 mg L−1 to 1 mg L−1 | EC 50 (48 h) = 0.056 mg l−1 to 0.93 mg L−1 | different species EC50 (72 h) = 0.016 mg L−1 EC10 or NOEC (72 h) = 0.0026 mg L−1 | ||
Bis(2-ethylhexyl) fumarate | 141-02-6 | H411 | MOE1 | no data | EC50 (48 h) > 100 mg L−1 | QSAR estimation EC50 > 1.19 mg L−1, NOEC ≥ 1.19 mg L−1 | ||
Bis(2-ethylhexyl) maleate | 142-16-5 | H410 | MOE1 | Zebra fish LC50 (96 h) > 100 mg L−1 | EC50 (48 h) = 59.5 mg L−1 | different species EC50 (72 h) > 100 mg L−1 (nominal) and 0.62 mg L−1 (measured), NOEC (72 h) = 3.7 mg L−1 (nominal) and 0.052 mg L−1 (measured) | ||
Benzothiazole-2-thiol (2-Mercapto-benzothiazole) | 149-30-4 | H400 (acute) H410 (long term) | MOE1 | rainbow trout LC50 (96 h) = 0.73 mg L−1 | EC50 (48 h) = 29.8 mg L−1 | Selenastrum capricornutum EC50 (72 h) = 0.5 mg L−1 NOEC (72 h) = 0.066 mg L−1 | ||
2-Ethylhexanoic acid* | 149–57-5 | MOE2 MOE7 | Oncorhynchus mykiss EC50 (96 h) = 180 mg L−1 | EC50 (48 h) = 85.4 mg l−1 | Desmodesmus subspicatus EC50 (72 h) = 485.1 mg L−1 EC10 or NOEC = 231.2 mg L−1 | |||
1,3-Benzene-dimethanamine* | 1477-55-0 | H412 | MOE1 MOE6 | Rainbow trout LC50 (96 h) > 100 mg L−1 | EC50 (48 h) = 16 mg L−1 | Desmodesmus subspicatus EC50 (72 h) = 12 mg L−1, NOEC (72 h) = 6.25 mg L−1 | ||
2,3-Epoxypropyl-o-tolyl ether | 2210-79-9 | H411 | MOE1 | Oncorhynchus mykiss LC50 (96 h) = 2.8 mg L−1 to 5.1 mg L−1 | EC50 (48 h) = 3.3 mg L−1 | no data | ||
Benzyldodecyl-dimethylammonium cation, possibly from Benzyldodecyl-dimethylammonium bromide | 7281-04-1 | H400 | MOE1 | no data | no data | no data | ||