HuagongsheHuagongshe Chemistry Print Report · For research reference only
7-Amino-4-hydroxy-2-naphthalenesulfonic acid → 8-Amino-4-hydroxynaphthalene-2-sulphonic acid
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 7-Amino-4-hydroxy-2-naphthalenesulfonic acid | HCID 6868 | — |
| Reactant | 2-Amino-8-hydroxynaphthalene-6-sulfonic acid | HCID 7022 | — |
| Reactant | 2-Amino-4-Nitrophenol | HCID 3613389 | — |
| Reactant | 2-Amino-5-Nitrophenol | HCID 4984721 | — |
| Product | 8-Amino-4-hydroxynaphthalene-2-sulphonic acid | HCID 68106 | — |
Reaction Steps
On account of their easy accessibility and the neutral black shade obtainable therewith, particular interest attaches to the dyes that are derived from 1-hydroxy-2 amino-4-nitrobenzene or 1-hydroxy-2-amino-5-nitrobenzene as diazo components, and from 1-hydroxy-7-aminonaphthalene-3-sulphonic acid or 1-hydroxy-6-aminonaphthalene-3-sulphonic acid as coupling component.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04105400 |
| Source dataset | uspto-grants-1978_08 |
| ORD ID | ord-c1c8d50aec0c424c9b93508d4f60a03c |
| Source note | uspto-grants-1978_08 |