Table 15.1
The physicochemical properties of the common phthalates
a
No. Phthalate
Abbreviation
CAS
No.
Molecular
weight (g/mol)
Formula
Melting
point (
C)
Boiling
point (
C)
Vapor pressure
(mmHg)
Density
(g/mL)
Log
K
o/w
1
Benzyl butyl phthalate BBP
85-68-7 312.4
C
19 H
20 O
4
<À35
370
8.25
 10
À6
1.12
4.9
2
Benzyl 2-ethylhexyl
phthalate
BEHP
1875005-5
368.5
C
23 H
28 O
4
–
485
–
1.08
6.8
3
Bis(2-butoxyethyl)
phthalate
BBEP
117-839
366.5
C
20 H
30 O
6
À55
270
2.17
 10
À3
1.07
4.4
4
Bis(2-ethoxyethyl)
phthalate
BEEP
605-549
310.3
C
16 H
22 O
6
–
345
–
1.12
2.2
5
Bis(2-methoxyethyl)
phthalate
BMEP
117-828
282.3
C
14 H
18 O
6
À45
340
2.28
 10
À4
1.16
1.4
6
Butyl cyclohexyl
phthalate
BCP
84-64-0 304.4
C
18 H
24 O
4
À25
386
4.77
 10
À6
1.10
5.41
7
Butyl decyl phthalate
BDP
89-19-0 362.5
C
22 H
34 O
4
–
397
–
1.00
8.0
8
Butyl octyl phthalate
BOP
84-78-6 334.5
C
20 H
30 O
4
–
377
–
1.01
6.9
9
Di(2-ethylhexyl)
hexahydrophthalate
DHHP
84-71-9 396.6
C
24 H
44 O
4
–
464
–
0.96
7.8
10
Diallyl phthalate
DAP
131-179
246.3
C
14 H
14 O
4
À70
290
1.16
 10
À3
1.12
3.2
11
Diamyl phthalate
DAMP
131-180
306.4
C
18 H
26 O
4
À55
342
–
1.03
5.8
12
Dibenzyl phthalate
DBZP
523-319
346.4
C
22 H
18 O
4
40–42
494
–
1.21
5.2
13
Dicyclohexyl phthalate DCHP
84-61-7 330.4
C
20 H
26 O
4
63–67
218
8.69
 10
À7
1.15
5.2
14
Diethyl phthalate
DEP
84-66-2 222.2
C
12 H
14 O
4
À40.5
302
2.1
 10
À3
1.12
2.5
15
Di(2-ethylhexyl)
adipate
DEHA
103-231
370.6
C
22 H
42 O
4
À67
417
8.35
 10
À6
0.928
6.8
16
Dimethyl phthalate
DMP
131-113
194.2
C
10 H
10 O
4
5.5
283.7
3.08
 10
À3
1.19
1.6
(continued)
15 Analytical Methods for Phthalates in Water Samples
543
The physicochemical properties of the common phthalates
a
No. Phthalate
Abbreviation
CAS
No.
Molecular
weight (g/mol)
Formula
Melting
point (
C)
Boiling
point (
C)
Vapor pressure
(mmHg)
Density
(g/mL)
Log
K
o/w
1
Benzyl butyl phthalate BBP
85-68-7 312.4
C
19 H
20 O
4
<À35
370
8.25
 10
À6
1.12
4.9
2
Benzyl 2-ethylhexyl
phthalate
BEHP
1875005-5
368.5
C
23 H
28 O
4
–
485
–
1.08
6.8
3
Bis(2-butoxyethyl)
phthalate
BBEP
117-839
366.5
C
20 H
30 O
6
À55
270
2.17
 10
À3
1.07
4.4
4
Bis(2-ethoxyethyl)
phthalate
BEEP
605-549
310.3
C
16 H
22 O
6
–
345
–
1.12
2.2
5
Bis(2-methoxyethyl)
phthalate
BMEP
117-828
282.3
C
14 H
18 O
6
À45
340
2.28
 10
À4
1.16
1.4
6
Butyl cyclohexyl
phthalate
BCP
84-64-0 304.4
C
18 H
24 O
4
À25
386
4.77
 10
À6
1.10
5.41
7
Butyl decyl phthalate
BDP
89-19-0 362.5
C
22 H
34 O
4
–
397
–
1.00
8.0
8
Butyl octyl phthalate
BOP
84-78-6 334.5
C
20 H
30 O
4
–
377
–
1.01
6.9
9
Di(2-ethylhexyl)
hexahydrophthalate
DHHP
84-71-9 396.6
C
24 H
44 O
4
–
464
–
0.96
7.8
10
Diallyl phthalate
DAP
131-179
246.3
C
14 H
14 O
4
À70
290
1.16
 10
À3
1.12
3.2
11
Diamyl phthalate
DAMP
131-180
306.4
C
18 H
26 O
4
À55
342
–
1.03
5.8
12
Dibenzyl phthalate
DBZP
523-319
346.4
C
22 H
18 O
4
40–42
494
–
1.21
5.2
13
Dicyclohexyl phthalate DCHP
84-61-7 330.4
C
20 H
26 O
4
63–67
218
8.69
 10
À7
1.15
5.2
14
Diethyl phthalate
DEP
84-66-2 222.2
C
12 H
14 O
4
À40.5
302
2.1
 10
À3
1.12
2.5
15
Di(2-ethylhexyl)
adipate
DEHA
103-231
370.6
C
22 H
42 O
4
À67
417
8.35
 10
À6
0.928
6.8
16
Dimethyl phthalate
DMP
131-113
194.2
C
10 H
10 O
4
5.5
283.7
3.08
 10
À3
1.19
1.6
(continued)
15 Analytical Methods for Phthalates in Water Samples
543