| 1 | 681-01-6 | 2-chloro-2-nitroso-butane | C4H8ClNO | 121.57 | | |
| 2 | 681-04-9 | N-Methylamidochloridothiophosphoric acid O-methyl ester | C2H7ClNOPS | 159.57 | | |
| 3 | 681-06-1 | Methylthiophosphonic acid O,O-dimethyl ester | C3H9O2PS | 140.14 | | |
| 4 | 681-30-1 | Ethane, 1,1'-oxybis[1,1,2,2-tetrafluoro-2-iodo- | C4F8I2O | 469.84 | | |
| 5 | 681-49-2 | (1,1,2,2-tetrafluoroethoxy)ethylene | C4H4F4O | 144.07 | | |
| 6 | 681-57-2 | 2,2-Dimethylglutaric acid | C7H12O4 | 160.17 | 82-86 °C (lit.) | It hydrolyzes with water. |
| 7 | 681-58-3 | 2,2,3,3-Tetrafluoropropyl acetate | C5H6F4O2 | 174.09 | | |
| 8 | 681-68-5 | ALLYL 2,2,3,3-TETRAFLUOROPROPYL ETHER | C6H8F4O | 172.12 | | |
| 9 | 681-71-0 | S,S,S-trimethyl phosphorotrithioate | C3H9OPS3 | 188.27 | | |
| 10 | 681-72-1 | Phosphonic acid, (trichloromethyl)-, bis(2,2,2-trichloroethyl) ester (7CI,8CI,9CI) | C5H4Cl9O3P | 462.13 | | |
| 11 | 681-80-1 | DIISOPROPYL DIFLUOROMETHYLPHOSPHONATE | C7H15F2O3P | 216.16 | | |
| 12 | 681-83-4 | DIBUTYL (DIFLUOROMETHANE)PHOSPHONATE | C9H19F2O3P | 244.22 | | |
| 13 | 681-84-5 | Tetramethyl orthosilicate | C4H12O4Si | 152.22 | −4°C(lit.) | hydrolysis |
| 14 | 681-97-0 | Silane, triethoxy(3,3,3-trifluoropropyl)- | C9H19F3O3Si | 260.33 | | |
| 15 | 681-98-1 | Titanium(IV) Isobutoxide | C16H36O4Si | 320.54 | 30-31°C | Reacts with water. |
| 16 | 681-99-2 | 三丁基锡异氰酸酯 | C13H27NOSn | 332.07 | | |