HuagongsheHuagongshe Chemistry Print Report · For research reference only
Sodium Hydroxide → Ethylenediaminetetra(methylenephosphonic acid)
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Sodium Hydroxide | HCID 14798 | — |
| Reactant | HCID 10234160 | HCID 10234160 | — |
| Catalyst | Zinc Sulfate | HCID 24424 | — |
| Solvent | Water | HCID 962 | — |
| Product | Ethylenediaminetetra(methylenephosphonic acid) | HCID 15025 | — |
Reaction Steps
To 3.35 kg of water in a stirred crutcher were added 3.0 kg of ethylene diamine tetra (methylene phosphonic acid), followed by 1.7 kg of caustic soda flakes. When all the ethylene diamine tetra (methylene phosphonic acid) was dissolved, 3.95 kg of a zinc sulphate solution (made from 1.975 kg ZnSO4.7H2O in 1.975 kg water) were added slowly. The slurry obtained was drum-dried to obtain a particulate dry product.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04259200 |
| Source dataset | uspto-grants-1981_03 |
| ORD ID | ord-4006a69634e94ac4b31e9e53a1b82e1a |
| Source note | uspto-grants-1981_03 |