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. 2016 Nov 15;7:1837. doi: 10.3389/fmicb.2016.01837

Table 1.

Physical-chemical properties and some relevant information of 16 PAHs enlisted as priority pollutants by US EPA.

Name Molecular formula Cas registry no. Physical chemical properties Toxicology Biodegradation
B. Pt. (°C) M.Pt (°C) V.P. (mmHg at 25°C)a Solubility (mg/L)a, b TEFa, c IARCa, d EPAa, e Estimated half-lives (days)a, f Measured half-lives (days)a, g
Naphthalene C10H8 91-20-3 218 80.2 8.5 × 10−2 31 n.d. 2B C 5.66 n.d.
Acenaphthene C12H10 83-32-9 279 93.4 2.5 × 10−3 3.93 0.001 3 D 18.77 n.d.
Acenaphthylene C12H8 208-96-8 280 91.8 6.68 × 10−3 1.93 0.001 n.c. D 30.7 n.d.
Anthracene C14H10 120-12-7 342 216.4 6.53 × 10−6 0.076 0.01 3 D 123 2.7
Phenanthrene C14H10 85-01-8 340 100.5 1.2 × 10−4 1.20 0.001 3 D 14.97 5
Fluorene C13H10 86-73-7 295 116-7 6.0 × 10−4 1.68–1.98 0.001 3 D 15.14 n.d.
Fluoranthene C16H10 206-44-0 375 108.8 9.22 × 10−6 0.20–0.26 0.001 3 D 191.4 9.2
Benzo[a]anthracene C18H12 56-55-3 438 158 4.11 × 10−3 0.010 0.1 2B B2 343.8 >182
Chrysene C18H12 218-01-9 448 254 6.23 × 10−9 1.5 × 10−3 0.010 2B B2 343.8 n.d.
Pyrene C16H10 129-00-0 150.4 393 4.5 × 10−6 0.132 0.001 3 D 283.4 151
Benzo[a]pyrene C20H12 50-32-8 495 179 5.49 × 10−9 3.8 × 10−3 1.0 1 B2 421.6 11
Benzo[b]fluoranthene C20H12 205-99-2 481 168.3 5.0 × 10−7 0.0012 n.d. 2B B2 284.7 n.d.
Benzo[k]fluoranthene C20H12 207-08-9 480 215.7 9.7 × 10−10 7.6 × 10−4 0.1 2B B2 284.7 n.d.
Dibenzo[a,h]anthracene C22H14 53-70-3 524 262 9.55 × 10−10 5.0 × 10−4 n.d. 2A B2 511.4 n.d.
Benzo[g,h,i]perylene C22H12 191-24-2 500 277 1.0 × 10−10 2.6 × 10−5 n.d. 3 D 517.1 n.d.
Indenol[1,2,3-cd]pyrene C22H12 193-39-5 536 161-3 1.25 × 10−3 0.062 n.d. 2B B2 349.2 n.d.
a

Data for vapor pressure, solubility, toxicology, and biodegradation has been adapted from Louvado et al. (2015) and the references therein.

b

Mackay and Shiu (1977).

c

Toxic equivalent factor relatively to Benzo[a]pyrene (Chang et al., 2014).

d

International Agency for Research on Cancer Classification Monographs Volume 1–111 updated 18 February 2015 (1, carcinogenic to humans; 2A, probably carcinogenic to humans; 2B, possibly carcinogenic to humans; 3, not classifiable as carcinogenic to humans; n.c., not classified).

e

EPA carcinogenic classification: A, human carcinogenic; B1 and B2: probable human carcinogenic; C, possible human carcinogenic; D, not Classifiable as to human carcinogenicity; E, evidence of non-carcinogenicity for humans.

f

Estimation using BioHCwin software v1.01 on EPI Suite software develop by Howard et al. (2005).

g

Comber et al. (2012); n.d., not determined.