| 2809 | | Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined: | | | | |
| 2809.10.00 | 00 | Diphosphorus pentaoxide | kg | Free | | 25% |
| 2809.20.00 | | Phosphoric acid and polyphosphoric acids | | Free | | Free |
| 2809.20.00 | 10 | Phosphoric acid: | | | | |
| 2809.20.00 | 10 | Containing less than 65 percent available diphosphorus pentaoxide (P2O5) equivalents | t | | | |
| 2809.20.00 | 40 | Polyphosphoric acids | t | | | |
| 2812.10.10 | 00 | Phosphorus pentachloride` | kg | Free | | 25% |
| 2812.10.50 | 05 | Arsenic trichloride, carbonyl dichloride (phosgene), sulfur monochloride, sulfur dichloride and thionyl chloride | kg | | | |
| 2812.10.50 | 10 | Phosphorus oxychloride and trichloride | kg | | | |
| 2813 | | Sulfides of nonmetals; commercial phosphorus trisulfide: | | | | |
| 2813.90.20 | 00 | Of phosphorus | kg | Free | | 25% |
| 2826 | | Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts: | | | | |
| 2826.90.10 | 00 | Fluorosilicates of sodium or of potassium | kg | 4.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 62.5% |
| 2832 | | Sulfites; thiosulfates: | | | | |
| 2832.30 | | Thiosulfates: | | | | |
| 2832.30.10 | 00 | Sodium thiosulfate | kg | 1.5% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 4.5% |
| 2833 | | Sulfates; alums; peroxosulfates (persulfates): | | | | |
| 2833.40 | | Peroxosulfates (persulfates): | | | | |
| 2835 | | Phosphinates (hypophosphites), phosphonates (phos- phites) and phosphates; polyphosphates, whether or not chemically defined: | | | | |
| 2835.10.00 | 00 | Phosphinates (hypophosphites) and phosphonates (phosphites) | kg | 3.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 2835.22.00 | 00 | Phosphates: | | | | |
| 2835.25.00 | 00 | Calcium hydrogenorthophosphate ("Dicalcium phosphate") | kg | Free | | 25% |
| 2835.26.00 | 00 | Other phosphates of calcium | kg | Free | | 25% |
| 2835.31.00 | 00 | Polyphosphates: | | | | |
| 2835.31.00 | 00 | Sodium triphosphate (Sodium tripolyphosphate) | kg | 1.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 6% |
