327
Table 19.1 Properties and significant information of 16 US EPA enlisted PAHs as priority pollutant
Name
Mol.
formula
Physicochemical properties
Toxicology
Biodegradation
Boiling
point (°C)
Melting
point (°C)
Vapor pressure (mm
Hg at 25 °C)
Solubility
(mg/L)
a
TEF
b
IARC
c
EPA
d
Estimated
half-lives
(days)
e
Measured
half-lives (days)
f
Naphthalene
C
10 H
8
218
80.2
8.5 × 10
−2
31
n.d. 2B
C
5.66
n.d.
Acenaphthene
C
12 H
10
279
93.4
2.5 × 10
−3
3.93
0.001 3
D
18.77
n.d.
Acenaphthylene
C
12 H
8
280
91.8
6.68 × 10
−3
1.93
0.001 n.c.
D
30.7
n.d.
Anthracene
C
14 H
10
342
216.4
6.53 × 10
−6
0.076
0.01 3
D
123
2.7
Phenanthrene
C
14 H
10
340
100.5
1.2 × 10
−4
1.20
0.001 3
D
14.97
5
Fluorene
C
13 H
10
295
116–7
6.0 × 10
−4
1.68–1.98
0.001 3
D
15.14
n.d.
Fluoranthene
C
16 H
10
375
108.8
9.22 × 10
−6
0.20–0.26
0.001 3
D
191.4
9.2
Benzo[a]anthracene C
18 H
12
438
158
4.11 × 10
−3
0.010
0.1
2B
D
343.8
>182
Chrysene
C
18 H
12
448
254
6.23 × 10
−2
1.5 × 10
−3
0.010 2B
B2
343.8
n.d.
Pyrene
C
16 H
10
150.4
393
4.5 × 10
−6
0.132
0.001 3
B2
283.4
151
Benzo[a]pyrene
C
20 H
12
495
179
5.49 × 10
−9
3.8 × 10
−3
1.0
1
D
421.6
11
Benzo[b]
fluoranthene
C
20 H
12
481
168.3
5.0 × 10
−7
0.0012
n.d. 2B
B2
284.7
n.d.
Benzo[k]
fluoranthene
C
20 H
12
480
215.7
9.7 × 10
−10
7.6 × 10
−4
0.1
2B
B2
284.7
n.d.
Dibenzo[a,h]
anthracene
C
22 H
14
524
262
9.55 × 10
−10
5.0 × 10
−4
n.d. 2A
B2
511.4
n.d.
Benzo[g,h,i]
perylene
C
22 H
12
500
277
1.0 × 10
−10
2.6 × 10
−5
n.d. 3
B2D 517.1
n.d.
Indenol[1,2,3-cd]
pyrene
C
22 H
12
536
161–3
1.25 × 10
−3
0.062
n.d. 2B
B2
349.2
n.d.
a
[93]
b
Toxic equivalent relative factor to benzo[a]pyrene
(continued)
19 Role of Polycyclic Aromatic Hydrocarbons as EDCs in Metabolic Disorders