| 中文名称 | 英文名称 | CAS号 | 化学式 |
|---|---|---|---|
| 2,2,3,4,5,6-六氯联苯 | PCB 149 | 38380-04-0 | C12H4Cl6 |
| 2,2,3,4,5,5-六氟噻吩 | hexafluoro-2,5-dihydrothiophene | 380-40-5 | C4F6S |
| 2,2,3,4,4,5-六氯联苯 | 2,2',3,4,4',5'-Hexachlorobiphenyl | 35065-28-2 | C12H4Cl6 |
| 2,2,3,4,4,5,5,6-八溴二苯醚 | 2,2',3,4,4',5,5',6-octabromodiphenyl ether | 337513-72-1 | C12H2Br8O |
| 2,2,3,4,4,4-六氟丁酸 | 2,2,3,4,4,4-Hexafluor-buttersaeure | 379-90-8 | C4H2F6O2 |
| 2,2,3,3-四甲基辛烷 | Heptane, pentamethyl- | 30586-18-6 | C12H26 |
| 2,2,3,3-四甲基碘代环丙烷 | 1-Iod-2,2,3,3-tetramethyl-cyclopropan | 39653-50-4 | C7H13I |
| 2,2,3,3-四甲基-1-丙氧基氮丙啶 | 1-Isopropoxy-2,2,3,3-tetramethylaziridin | 343864-46-0 | C9H19NO |
| 2,2,3,3-四甲基-1,4-二苯基丁烷-1,4-二酮 | 2,2,3,3-tetramethyl-1,4-diphenylbutane-1,4-dione | 34733-56-7 | C20H22O2 |
| 2,2,3,3-四氟环丁醇 | 2,2,3,3-tetrafluorocyclobutanol | 374-32-3 | C4H4F4O |
| 2,2,3,3-四氟环丁烷甲醇 | (2,2,3,3-tetrafluoro-cyclobutyl)-methanol | 378-17-6 | C5H6F4O |
| 2,2,3,3-四氟环丁烷甲腈 | 1-cyano-2,2,3,3-tetrafluorocyclobutane | 356-81-0 | C5H3F4N |
| 2,2,3,3-四氟丙基二氟甲醚 | 2,2,3,3-tetrafluoropropyl difluoromethyl ether | 35042-99-0 | C4H4F6O |
| 2,2,3,3-四氟丁烷-1,4-二胺 | 2,2,3,3-tetrafluorobutane-1,4-diamine | 356-56-9 | C4H8F4N2 |
| 2,2,3,3-四氟丁二酰胺 | 2,2,3,3-tetrafluorosuccinamide | 377-37-7 | C4H4F4N2O2 |
| 2,2,3,3-四氟-4-甲氧基-4-氧代丁酸 | 3-methoxycarbonyl-2,2,3,3-tetrafluoropropanoic acid | 356-33-2 | C5H4F4O4 |
| 2,2,3,3-四氟-3-(三氟甲氧基)丙酸 | perfluoro-3-methoxypropanoic acid | 377-73-1 | C4HF7O3 |
| 2,2,3,3-四氟-3-(1,1,2,2,3,3,3-七氟丙氧基)丙酸 | tetrafluoro-3-(heptafluoro-propoxy)-propionic acid | 378-03-0 | C6HF11O3 |
| 2,2,3,3-四(苯基)丁烷二腈 | 2,2,3,3-tetraphenylsuccinonitrile | 3122-21-2 | C28H20N2 |
| 2,2,3,3,4,4-六氟环-1,5-戊二醇 | 2,2,3,3,4,4-hexafluoro-1,5-pentanediol | 376-90-9 | C5H6F6O2 |
| 2,2,3,3,4,4-六氟戊烷-1,5-二胺 | 1,5-diamino-2,2,3,3,4,4-hexafluoropentane | 336-33-4 | C5H8F6N2 |
| 2,2,3,3,4,4-六氟戊二酸,银 | Hexafluoropentanedioic acid, silver salt (1:1) | 355-85-1 | C5H2AgF6O4 |
| 2,2,3,3,4,4-六氟丁酸甲酯 | methyl 2,2,3,3,4,4-hexafluorobutyrate | 356-32-1 | C5H4F6O2 |
| 2,2,3,3,4,4-六氟-1,5-二碘戊烷 | 1,5-diiodo-2,2,3,3,4,4-hexafluoropentane | 33619-80-6 | C5H4F6I2 |
| 2,2,3,3,4,4,5-七氯联苯 | 2,2',3,3',4,4',5-Heptachlorobiphenyl | 35065-30-6 | C12H3Cl7 |
| 2,2,3,3,4,4,5,5-八氟环戊烷-1-酮 | 2,2,3,3,4,4,5,5-octafluorocyclopentanone | 376-66-9 | C5F8O |
| 2,2,3,3,4,4,5,5-八氟戊酰胺 | 2,2,3,3,4,4,5,5-octafluoropentanoic acid amide | 355-81-7 | C5H3F8NO |
| 2,2,3,3,4,4,5,5-八氟戊烷-1-胺 | α,α,ο-trihydroperfluoropentylamine | 376-64-7 | C5H5F8N |
| 2,2,3,3,4,4,5,5-八氟戊基烯丙基酯 | allyl 1,1,2,2,3,3,4,4-octafluoropentyl ether | 3108-07-4 | C8H8F8O |
| 2,2,3,3,4,4,5,5-八氟己烷-1,6-二胺 | 2,2,3,3,4,4,5,5-octafluorohexane-1,6-diamine | 355-73-7 | C6H8F8N2 |
| 2,2,3,3,4,4,5,5-八氟己二酰胺 | octafluoro-adipic acid diamide | 355-66-8 | C6H4F8N2O2 |
| 2,2,3,3,4,4,5,5-八氟-1-戊醇 | 2,2,3,3,4,4,5,5-octafluoropentan-1-ol | 355-80-6 | C5H4F8O |
| 2,2,3,3,4,4,5,5,6-九氟-6-(三氟甲基)四氢吡喃 | Perfluor-2-methyloxan | 356-47-8 | C6F12O |
| 2,2,3,3,4,4,5,5,6-九氟-6-(1,1,2,2,3,3,3-七氟丙基)四氢吡喃 | perfluoro-2-butyl-tetrahydrofuran | 335-35-3 | C8F16O |
| 2,2,3,3,4,4,5,5,6,6,7,7-十二氟-7-[(1,1,1,2,3,3,3-七氟-2-丙基)氧基]庚酸 | Perfluoro-7-isopropoxyheptanoic acid | 32347-41-4 | C10HF19O3 |
| 2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,9-十七氟壬基丙-2-烯酸酯 | acrylic acid-(1<i>H</i>,1<i>H</i>-heptadecafluoro-nonyl ester) | 307-87-9 | C12H5F17O2 |
| 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-十五氟辛-1-醇 | 2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluoro-1-octanol | 307-30-2 | C8H3F15O |
| 2,2,3,3,4,4,5,5,5-壬氟戊烷醛 | 2,2,3,3,4,4,5,5,5-nonafluoropentane-1,1-diol | 355-30-6 | C5H3F9O2 |
| 2,2,3,3,4,4,5,5,5-九氟戊基丙-2-烯酸酯 | acrylic acid-(1<i>H</i>,1<i>H</i>-nonafluoro-pentyl ester) | 308-26-9 | C8H5F9O2 |
| 2,2,3,3,4,4,4-八氟对甲苯磺酸丁酯 | toluene-4-sulfonic acid-(1<i>H</i>,1<i>H</i>-heptafluoro-butyl ester) | 312-66-3 | C11H9F7O3S |
| 2,2,3,3,4,4,4-七氟丁醛水合物 | 2,2,3,3,4,4,4-heptafluoro-butane-1,1-diol | 375-21-3 | C4H3F7O2 |
| 2,2,3,3,4,4,4-七氟丁醛水合物 | 2,2,3,3,4,4,4-heptafluorobutanal | 375-02-0 | C4HF7O |
| 2,2,3,3,4,4,4-七氟丁胺 | 2,2,3,3,4,4,4-heptafluorobutylamine | 374-99-2 | C4H4F7N |
| 2,2,3,3,4,4,4-七氟-1-碘丁烷 | 2,2,3,3,4,4,4-heptafluoro-1-iodobutane | 374-98-1 | C4H2F7I |
| 2,2,3,3,4,4,4-七氟-1-丁醇 | 2,2,3,3,4,4,4-heptafluorobutanol | 375-01-9 | C4H3F7O |
| 2,2,3,3,3-五氟丙酸钾 | potassium pentafluoropropionate | 378-76-7 | C3F5O2*K |
| 2,2,3,3,3-五氟丙酸乙烯基酯 | pentafluoro-propionic acid vinyl ester | 357-47-1 | C5H3F5O2 |
| 2,2,3,3,3-五氟丙酸丙酯 | propylperfluoropropionate | 39118-07-5 | C6H7F5O2 |
| 2,2,3,3,3-五氟丙脒盐酸盐 | 2,2,3,3,3-Pentafluoro-propionamidineHCl | 3799-21-1 | C3H4ClF5N2 |
| 2,2,3,3,3-五氟丙胺盐酸盐 | 2,2,3,3,3-pentafluoropropylamine hydrochloride | 374-14-1 | C3H4F5N*ClH |