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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