| Sodium hexametaphosphate |
| Metaphosphoric acid , hexasodium salt |
| metaphosphoric acid, hexasodium salt |
| calgon |
| calgon (old) |
| calgon s |
| chemi-charl |
| fema 3027 |
| graham's salt |
| hexametaphosphate, sodium salt |
| hexasodium hexametaphosphate |
| hexasodium metaphosphate |
| hmp |
| medi-calgon |
| metaphosphoric acid (h6p6o18), hexasodium salt |
| natrium hexametaphosphat |
| sodium hexa-phosphate |
| phosphate, sodium hexameta |
| polyphos |
| shmp |
| sodium hexametaphosphate (na6p6o18) |
| sodium phosphate (na6p6o18) |
| sodium polymeta phosphate |
| sodium polymetaphosphate |
| Metaphosphoric acid,hexasodium salt |