Appendix H
Nomenclature of PCBs
TABLE H-1 Nomenclature of PCB Congeners
BZ No.a |
Compound |
CAS No. |
BZ No.a |
Compound |
CAS No. |
|
Biphenyl |
92–52–4 |
15 |
4,4′ |
2050–68–2 |
|
Mono-CB |
27323–18–8 |
|
Tri-CB |
25323–68–6 |
1 |
2 |
2051–60–7 |
16 |
2,2′,3 |
38444–78–9 |
2 |
3 |
2051–61–8 |
17 |
2,2′,4 |
37680–66–3 |
3 |
4 |
2051–62–9 |
18 |
2,2′,5 |
37680–65–2 |
|
Di-CB |
25512–42–9 |
19 |
2,2′,6 |
38444–73–4 |
4 |
2,2′ |
13029–08–8 |
20 |
2,3,3′ |
38444–84–7 |
5 |
2,3 |
16605–91–7 |
21 |
2,3,4 |
55702–46–0 |
6 |
2,3′ |
25569–80–6 |
22 |
2,3,4′ |
38444–85–8 |
7 |
2,4 |
33284–50–3 |
23 |
2,3,5 |
55720–44–0 |
8 |
2,4′ |
34883–43–7 |
24 |
2,3,6 |
58702–45–9 |
9 |
2,5 |
34883–39–1 |
25 |
2,3′,4 |
55712–37–3 |
10 |
2,6 |
33146–45–1 |
26 |
2,3′,5 |
38444–81–4 |
11 |
3,3′ |
2050–67–1 |
27 |
2,3′,6 |
38444–76–7 |
12 |
3,4 |
2974–92–7 |
28 |
2,4,4′ |
7012–37–5 |
13 |
3,4′ |
2974–90–5 |
29 |
2,4,5 |
15862–07–4 |
14 |
3,5 |
34883–41–5 |
30 |
2,4,6 |
35693–92–6 |
BZ No.a |
Compound |
CAS No. |
BZ No.a |
Compound |
CAS No. |
31 |
2,4′,5 |
16606–02–3 |
58 |
2,3,3′,5′ |
41464–49–7 |
32 |
2,4′,6 |
38444–77–8 |
59 |
2,3,3′,6 |
74472–33–6 |
33b |
2′,3,4 |
38444–86–9 |
60 |
2,3,4,4′ |
33025–41–1 |
34b |
2′,3,5 |
37680–68–5 |
61 |
2,3,4,5 |
33284–53–6 |
35 |
3,3′,4 |
37680–69–6 |
62 |
2,3,4,6 |
54230–22–7 |
36 |
3,3′,5 |
38444–87–0 |
63 |
2,3,4′,5 |
74472–34–7 |
37 |
3,4,4′ |
38444–90–5 |
64 |
2,3,4′,6 |
52663–58–8 |
38 |
3,4,5 |
53555–66–1 |
65 |
2,3,5,6 |
33284–54–7 |
39 |
3,4′,5 |
38444–88–1 |
66 |
2,3′,4,4′ |
32598–10–0 |
|
Tetra-CB |
26914–33–0 |
67 |
2,3′,4,5 |
73575–53–8 |
40 |
2,2′,3,3′ |
38444–93–8 |
68 |
2,3′,4,5′ |
73575–52–7 |
41 |
2,2′,3,4 |
52663–59–9 |
69 |
2,3′,4,6 |
60233–24–1 |
42 |
2,2′,3,4′ |
36559–22–5 |
70 |
2,3′,4′,5 |
32598–11–1 |
43 |
2,2′,3,5 |
70362–46–8 |
71 |
2,3′,4′,6 |
41464–46–4 |
44 |
2,2′,3,5′ |
41464–39–5 |
72 |
2,3′,5,5′ |
41464–42–0 |
45 |
2,2′3,6 |
70362–45–7 |
73 |
2,3′,5′,6 |
74338–23–1 |
46 |
2,2′,3,6′ |
41464–47–5 |
74 |
2,4,4′,5 |
32690–93–0 |
47 |
2,2′,4,4′ |
2437–79–8 |
75 |
2,4,4′,6 |
32598–12–2 |
48 |
2,2′4,5 |
70362–47–9 |
76b |
2′,3,4,5 |
70362–48–0 |
49 |
2,2′4,5′ |
41464–40–8 |
77 |
3,3′,4,4′ |
32598–13–3 |
50 |
2,2′4,6 |
62796–65–0 |
78 |
3,3′4,5 |
70362–49–1 |
51 |
2,2′4,6′ |
65194–04–7 |
79 |
3,3′4,5′ |
41464–48–6 |
52 |
2,2′5,5′ |
35693–99–3 |
80 |
3,3′5,5′ |
33284–52–5 |
53 |
2,2′5,6′ |
41464–41–9 |
81 |
3,4,4′,5 |
70362–50–4 |
54 |
2,2′,6,6′ |
15968–05–5 |
|
Penta-CB |
25429–29–2 |
55 |
2,3,3′,4 |
74338–24–2 |
82 |
2,2′,3,3′,4 |
52663–62–4 |
56 |
2,3,3′,4′ |
41464–43–1 |
83 |
2,2′,3,3′,5 |
60145–20–2 |
57 |
2,3,3′,5 |
70424–67–8 |
84 |
2,2′,3,3′,6 |
52663–60–2 |
BZ No.a |
Compound |
CAS No. |
BZ No.a |
Compound |
CAS No. |
85 |
2,2′,3,4,4′ |
65510–45–4 |
114 |
2,3,4,4′,5 |
74472–37–0 |
86 |
2,2′,3,4,5 |
55312–69–1 |
115 |
2,3,4,4′,6 |
74472–38–1 |
87 |
2,2′,3,4,5′ |
38380–02–8 |
116 |
2,3,4,5,6 |
18259–05–7 |
88 |
2,2′,3,4,6 |
55215–17–3 |
117 |
2,3,4′,5,6 |
68194–11–6 |
89 |
2,2′,3,4,6′ |
73575–57–2 |
118 |
2,3′,4,4′,5 |
31508–00–6 |
90 |
2,2′,3,4′,5 |
68194–07–0 |
119 |
2,3′,4,4′,6 |
56558–17–9 |
91 |
2,2′,3,4′,6 |
58194–05–8 |
120 |
2,3′,4,5,5′ |
68194–12–7 |
92 |
2,2′,3,5,5′ |
52663–61–3 |
121 |
2,3′,4,5′,6 |
56558–18–0 |
93 |
2,2′,3,5,6 |
73575–56–1 |
122b |
2′,3,3′,4,5 |
76842–07–4 |
94 |
2,2′,3,5,6′ |
73575–55–0 |
123b |
2′,3,4,4′,5 |
65510–44–3 |
95 |
2,2′,3,5′,6 |
38379–99–6 |
124b |
2′,3,4,5,5′ |
70424–70–3 |
96 |
2,2′,3,6,6′ |
73575–54–9 |
125b |
2′,3,4,5,6′ |
74472–39–2 |
97b |
2,2′,3′,4,5 |
41464–51–1 |
126 |
3,3′,4,4′,5 |
57465–28–8 |
98b |
2,2′,3′,4,6 |
60233–25–2 |
127 |
3,3′,4,5,5′ |
39635–33–1 |
99 |
2,2′,4,4′,5 |
38380–01–7 |
|
Hexa-CB |
26601–64–9 |
100 |
2,2′,4,4′,6 |
39485–83–1 |
128 |
2,2′,3,3′,4,4′ |
38380–07–3 |
101 |
2,2′,4,5,5′ |
37680–73–2 |
129 |
2,2′,3,3′,4,5 |
55215–18–4 |
102 |
2,2′,4,5,6′ |
68194–06–9 |
130 |
2,2′,3,3′,4,5′ |
52663–66–8 |
103 |
2,2′,4,5′,6 |
60145–21–3 |
131 |
2,2′,3,3′,4,6 |
61798–70–7 |
104 |
2,2′,4,6,6′ |
56558–16–8 |
132 |
2,2′,3,3′,4,6′ |
38380–05–1 |
105 |
2,3,3′,4,4′ |
32598–14–4 |
133 |
2,2′,3,3′,5,5′ |
35694–04–3 |
106 |
2,3,3′,4,5 |
70424–69–0 |
134 |
2,2′,3,3′,5,6 |
52704–70–8 |
107 |
2,3,3′,4′,5 |
70424–68–9 |
135 |
2,2′,3,3′,5,6′ |
52744–13–5 |
108 |
2,3,3′,4,5′ |
70362–41–3 |
136 |
2,2′,3,3′,6,6′ |
38411–22–2 |
109 |
2,3,3′,4,6 |
74472–35–8 |
137 |
2,2′,3,4,4′,5 |
35694–06–5 |
110 |
2,3,3′,4′,6 |
38380–03–9 |
138 |
2,2′,3,4,4′,5′ |
35065–28–2 |
111 |
2,3,3′,5,5′ |
39635–32–0 |
139 |
2,2′,3,4,4′,6 |
56030–56–9 |
112 |
2,3,3′,5,6 |
74472–36–9 |
140 |
2,2′,3,4,4′,6′ |
59291–64–4 |
113 |
2,3,3′,5′,6 |
68194–10–5 |
141 |
2,2′,3,4,5,5′ |
52712–04–6 |
BZ No.a |
Compound |
CAS No. |
BZ No.a |
Compound |
CAS No. |
142 |
2,2′,3,4,5,6 |
41411–61–4 |
170 |
2,2′,3,3′,4,4′,5 |
35065–30–6 |
143 |
2,2′,3,4,5,6′ |
68194–15–0 |
171 |
2,2′,3,3′,4,4′,6 |
52663–71–5 |
144 |
2,2′,3,4,5′,6 |
68194–14–9 |
172 |
2,2′,3,3′,4,5,5′ |
52663–74–8 |
145 |
2,2′,3,4,6,6′ |
74472–40–5 |
173 |
2,2′,3,3′,4,5,6 |
68194–16–1 |
146 |
2,2′,3,4′,5,5′ |
51908–16–8 |
174 |
2,2′,3,3′,4,5,6′ |
38411–25–5 |
147 |
2,2′,3,4′,5,6 |
68194–13–8 |
175 |
2,2′,3,3′,4,5′,6 |
40186–70–7 |
148 |
2,2′,3,4′,5,6′ |
74472–41–6 |
176 |
2,2′,3,3′,4,6,6′ |
52663–65–7 |
149 |
2,2′,3,4′,5′,6 |
38380–04–0 |
177b |
2,2′,3,3′,4′,5,6 |
52663–70–4 |
150 |
2,2′,3,4′,6,6′ |
68194–08–1 |
178 |
2,2′,3,3′,5,5′6 |
52663–67–9 |
151 |
2,2′,3,5,5′,6 |
52663–63–5 |
179 |
2,2′,3,3′,5,6,6′ |
52663–64–6 |
152 |
2,2′,3,5,6,6′ |
68194–09–2 |
180 |
2,2′,3,4,4′,5,5′ |
35065–29–3 |
153 |
2,2′,4,4′,5,5′ |
35065–27–1 |
181 |
2,2′,3,4,4′,5,6 |
74472–47–2 |
154 |
2,2′,4,4′,5,6′ |
60145–22–4 |
182 |
2,2′,3,4,4′,5,6′ |
60145–23–5 |
155 |
2,2′,4,4′,6,6′ |
33979–03–2 |
183 |
2,2′,3,4,4′,5′,6 |
52663–69–1 |
156 |
2,3,3′,4,4′,5 |
38380–08–4 |
184 |
2,2′,3,4,4′,6,6′ |
74472–48–3 |
157 |
2,3,3′,4,4′,5′ |
69782–90–7 |
185 |
2,2′,3,4,5,5′,6 |
52712–05–7 |
158 |
2,3,3′,4,4′,6 |
74472–42–7 |
186 |
2,2′,3,4,5,6,6′ |
74472–49–4 |
159 |
2,3,3′,4,5,5′ |
39635–35–3 |
187 |
2,2′,3,4′,5,5′,6 |
52663–68–0 |
160 |
2,3,3′,4,5,6 |
41411–62–5 |
188 |
2,2′,3,4′,5,6,6′ |
74487–85–7 |
161 |
2,3,3′,4,5′,6 |
74472–43–8 |
189 |
2,3,3′,4,4′,5,5′ |
39635–31–9 |
162 |
2,3,3′,4′,5,5′ |
39635–34–2 |
190 |
2,3,3′,4,4′,5,6 |
41411–64–7 |
163 |
2,3,3′,4′,5,6 |
74472–44–9 |
191 |
2,3,3′,4,4′,5′,6 |
74472–50–7 |
164 |
2,3,3′4′,5′,6 |
74472–45–0 |
192 |
2,3,3′,4,5,5′,6 |
74472–51–8 |
165 |
2,3,3′5,5′,6 |
74472–46–1 |
193 |
2,3,3′,4′,5,5′,6 |
69782–91–8 |
166 |
2,3,4,4′,5,6 |
41411–63–6 |
|
Octa-CB |
31472–83–0b |
167 |
2,3′,4,4′,5,5′ |
52663–72–6 |
194 |
2,2′,3,3′,4,4′,5,5′ |
35694–08–7 |
168 |
2,3′,4,4′,5′,6 |
59291–65–5 |
195 |
2,2′,3,3′,4,4′5,6 |
52663–78–2 |
169 |
3,3′,4,4′,5,5′ |
32774–16–6 |
196 |
2,2′,3,3′,4,4′5,6′ |
42740–50–1 |
|
Hepta-CB |
28655–71–2 |
197 |
2,2′,3,3′,4,4′,5,6′ |
33091–17–7 |
BZ No.a |
Compound |
CAS No. |
BZ No.a |
Compound |
CAS No. |
198 |
2,2′,3,3′,4,5,5′,6 |
68194–17–2 |
205 |
2,3,3′,4,4′,5,5′,6 |
74472–53–0 |
199 |
2,2′,3,3′,4,5,5′,6′ |
52663–75–9 |
|
Nona-CB |
53742–07–7 |
200 |
2,2′,3,3′,4,5,6,6′ |
52663–73–7 |
206 |
2,2′,3,3′,4,4′,5,5′,6 |
40186–72–9 |
201 |
2,2′,3,3′,4,5′,6,6′ |
40186–71–8 |
207 |
2,2′,3,3′,4,4′,5,6,6′ |
52663–79–3 |
202 |
2,2′,3,3′,5,5′,6,6′ |
2136–99–4 |
208 |
2,2′,3,3′,4,5,5′,6,6′ |
52663–77–1 |
203 |
2,2′,3,4,4′,5,5′,6 |
52663–76–0 |
|
Deca-CB |
2051–24–3 |
204 |
2,2′,3,4,4′,5,6,6′ |
74472–52–9 |
209 |
2,2′,3,3′,4,4′,5,5′,6,6′ |
2051–24–3 |
aBZ=Ballschmiter and Zell (1980) bIUPAC (International Union of Pure and Applied Chemistry) names differ from BZ names for the following PCBs: BZ 33=IUPAC 2,3′,4′; BZ 34=IUPAC 2,3′,5′; BZ 76=IUPAC 2,3′,4′,5′; BZ 97=IUPAC 2,2′,3,4′,5′; BZ 98=IUPAC 2,2′,3,4′,6′; BZ 122=IUPAC 2,3,3′,4′,5′; BZ 123=IUPAC 2,3′,4,4′,5′; BZ 124=IUPAC 2,3′4′,5,5′; BZ 125=IUPAC 2,3′4′,5′,6; and BZ 177=IUPAC 2,2′,3,3′,4,5′,6′. |