Properties

1,3,7,8-TetraCDF 2,3,6,8-TetraCDF 2,3,7,8-TetraCDF 1,2,3,4,8-PentaCDF
Molecular mass 305.96 305.96 305.96 340.42
Density (g/dm3) No data No data No data No data
Melting point (°C) No data 197-198 219-221 177-178
Boiling point (°C) No data No data No data No data
Soil sorption coefficient (log Koc) No data No data 5.61 (estimated) No data
Octanol/Water Partition  (log Kow) No data No data 5.82 6.79
Solubility in water in 25 °C (mg/dm3) No data No data 4.2*10-4 No data
Vapour pressure at 25 °C (mm Hg) No data No data 9.21*10-7 No data
Henry’s law coefficient (KH) atm*m3/mol 1.48*10-5 1.48*10-5 1.48*10-5 2.63*10-5
1,2,3,7,8-PentaCDF 1,2,3,7,8-PentaCDF 1,2,3,4,7,8-HexaCDF 1,2,3,6,7,8-HexaCDF
Molecular mass 340.42 340.42 374.87 374.87
Density (g/dm3) No data No data No data No data
Melting point (°C) 225-227 196-196.5 225.5-226.5 232-234
Boiling point (°C) No data No data No data No data
Soil sorption coefficient (log Koc) No data No data No data No data
Octanol/Water Partition  (log Kow) 6.79 6.79 No data No data
Solubility in water in 25 °C (mg/dm3) No data 2.4*10-4 8*10-6 1.8*10-5
Vapour pressure at 25 °C (mm Hg) 2.73*10-7 1.63*10-7 6.7*10-8 6.7*10-8
Henry’s law coefficient (KH) atm*m3/mol 2.63*10-5 2.63*10-5 2.78*10-5 2.78*10-5
1,2,3,7,8,9-HexaCDF 1,2,4,6,7,9-HexaCDF 2,3,4,6,7,8-HexaCDF 1,2,3,4,6,7,8-HeptaCDF
Molecular mass 374.87 374.87 374.87 409.31
Density (g/dm3) No data No data No data No data
Melting point (°C) No data 180-181 239-240 236-237
Boiling point (°C) No data No data No data No data
Soil sorption coefficient (log Koc) No data No data No data No data
Octanol/Water Partition  (log Kow) No data No data No data 7.92
Solubility in water in 25 °C (mg/dm3) No data No data No data 1.4*10-5
Vapour pressure at 25 °C (mm Hg) 3.74*10-8 No data 3.74*10-8 1.68*10-8
Henry’s law coefficient (KH) atm*m3/mol 2.78*10-5 2.78*10-5 2.78*10-5 4.1*10-6


Structure formula of 2,3,7,8-Tetrachlorodibenzo-furan

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