Table 2 Compounds identified in the gas phase after use of the wood impregnation product in Scenario 1. Cmax and Tmax are the maximum concentration and time of the maximum concentration, respectively
Peak | Tr (min) | Compound | CAS | Max conc. (μg/m3) | Max conc. (μg/m3 per g product) | Tmax (min) | Boiling point (°C) | Vapor pressure (mbar) |
|---|---|---|---|---|---|---|---|---|
1 | 1.7 | Trimethyl silanol | 1066-40-6 | 1582 | 33.7 | 5 | 99 | 21.0c |
2 | 2.0 | 1H,1H,2H-perfluoro-1-decene | 21652-58-4 | 31 | 0.7 | 16 | 146 | 8.5d,e |
3 | 2.2 | Hexamethyl disiloxane | 107-46-0 | 392 | 8.3 | 16 | 100 | 56d |
4 | 3.1 | 1H,1H,2H-perfluoro-1-dodecenea | 30389-25-4 | 83b | 1.8 | 60 | 202 | 1.3d,e |
5 | 5.8 | 1H,1H,2H-perfluoro-1-tetradecene | 67103-05-3 | 363 | 7.7 | 71 | 253 | 0.3d,e |
6 | 8.0 | 1H,1H,2H,2H-perfluoro-1-octanol | 647-42-7 | 97 | 2.1 | 16 | 90 | 0.5d,e |
7 | 9.7 | 1H,1H,2H-perfluoro-1-hexadecenea | – | 68b | 1.4 | 102 | – | – |
8-10 | 10.6-11.3 | Di(propylene glycol) methyl ether, mixture of isomers | 34590-94-8 | 1581 | 33.7 | 5 | 203 | 0.13d,e |
11 | 11.7 | 2-(2-methoxypropoxy)-1-propanol | 13588-28-8 | 2 | <0.1 | 5 | 190 | 0.67d |
12 | 12.8 | Decamethyltetrasiloxane | 141-62-8 | 18 | 0.4 | 49 | 235e | 0.13d,e |
13 | 14.5 | 1H,1H,2H,2H-perfluorodecyl acrylate | 27905-45-9 | 7 | 0.1 | 5 | 268 | 0.13d,e |
14 | 19.5 | 2-ethylhexyl acrylate | 103-11-7 | 8 | 0.2 | 16 | 233 | 0.13d,e |
15 | 22 | 2-(2-butoxyethoxy)ethyl acetate | 124-17-4 | 135 | 2.9 | 5 | 232e | 0.13d,e |