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Table 2 Additives in the 21 wood preservative products labelled as hazardous to the environment on the safety data sheet of the respective product

From: Environmental risk assessment of biocidal products: identification of relevant components and reliability of a component-based mixture assessment

Additive CAS Content in product (% w/w) Categorized as ‘CLP’ Range of % STU (most sensitive species)
3-(2H-Benzotriazolyl)-5-(1,1-dimethylethyl)-4-hydroxybenzenepropanoic acid octyl esters 127519-17-9 < 1 No 0.1–0.5
Cobalt 2-ethyl hexanoate 13586-82-8 < 0.5 Yes 0–0.4b
Cobalt bis(2-ethyl hexanoate) 136-52-7 < 1 Yes 0–8.0b
Cobalt borate neodecanoate 68457-13-6 < 0.5 Yes 0–29.0
Cocodimethylamine 61788-93-0 < 0.1 Yes n.d.–17.4a,b
4,5-Dichloro-2-octylisothiazolinoned 64359-81-5 < 0.5 Yes 56.5–88.8
Nonoxynol-10 phosphate 51609-41-7 < 0.5 No n.d.a,b,c
Naphtha 64742-94-5 < 0.5 No 0.1
N-(Tallow alkyl)trimethylenediamine, ethoxylated 61790-85-0 < 0.1 No n.d.–2.3a
N,N’,N’-Tris(2-hydroxyethyl)-N-tallow-1,3-diaminopropane 90367-27-4 < 0.5 Yes 26.5–53.2
  1. n.d. not determined
  2. aNo data available for algae; bno data available for daphnia; cno data available for fish; d authorized as active substance in the meantime