HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Sodium naphthionate → 4-Amino-1-naphthalenesulfonic acid
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Sodium naphthionate | HCID 23665720 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | 4-Amino-1-naphthalenesulfonic acid | HCID 6790 | — |
Reaktionsschritte
In a large beaker, add naphthionic acid sodium salt and water and stir to complete solution, pH=9.2-9.4. Slowly add hydrochloric acid, and white precipitation occurs at pH=2.2-2.4. Stir the slurry for at least 4 hours, then filter the slurry. Use the wetcake in Stage 2.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US08664371B2 |
| Quelldatensatz | uspto-grants-2014_03 |
| ORD ID | ord-70ff0f8d3e774f309080fa0a6d92b771 |
| Quellennotiz | uspto-grants-2014_03 |